New: [RFC1981-PMTU]Multicast Destination - One Router test failed

Bug 470774 Dave Jones 2 participants 3 messages Nov 11, 2008 – Nov 12, 2008 1 message not in the archive

Subsystems (3)

Networking Network drivers IPv4/IPv6

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Dave Jones

author

2008-11-11 17:42 UTC #0 lore raw

Hopefully this makes more sense to the networking developers than it does to me.

Dave

Signature · 1 line

http://www.codemonkey.org.uk

Please do not reply directly to this email. All additional comments should be made in the comments box of this bug.

Summary: [RFC1981-PMTU]Multicast Destination - One Router test failed

https://bugzilla.redhat.com/show_bug.cgi?id=470774

Summary: [RFC1981-PMTU]Multicast Destination - One Router test
failed
Product: Fedora
Version: rawhide
Platform: All
OS/Version: Linux
Status: NEW
Severity: medium
Priority: medium
Component: kernel
AssignedTo: [email protected]
ReportedBy: [email protected]
QAContact: [email protected]
CC: [email protected], [email protected],
[email protected]
Estimated Hours: 0.0
Classification: Fedora

Description of problem:
TN(FreeBSD7) sends packet too big message to NUT(Fedora10) , NUT(Fedora10) cannot receive muticast echo request of fragment

Version-Release number of selected component (if applicable):
2.6.27-0.352.rc7.git1.fc10.i686

How reproducible:
every time

Steps to Reproduce:
1.
2.
3.

Actual results:
Cannot receive Echo Request

Expected results:
Can receive Echo Request

Additional info:
failure log info :
Start Capturing Packets (Link0)

--- start Common Test Setup 1.1 for Host
09:58:52 vSend(Link0,setup_echo_request)
Send Echo Request (Link-Local)
09:58:52 vRecv(Link0,setup_echo_reply ns_l2l ns_g2l) timeout:5 cntLimit:0 seektime:0
Recv Neighbor Solicitation (Link-Local to Link-Local)
09:58:52 vSend(Link0,na_l2l)
Send Neighbor Advertisement (Link-Local to Link-Local) 09:58:52 vRecv(Link0,setup_echo_reply) timeout:5 cntLimit:0 seektime:0 Recv Echo Reply (Link-Local)

OK
09:58:52 vSend(Link0,setup_ra)
Send Router Advertisement
09:58:52 vRecv(Link0,setup_dadns) timeout:5 cntLimit:0 seektime:0 Recv DADNS
09:58:52 Wait 5 second
09:58:57 vSend(Link0,setup_echo_request_g)
Send Echo Request (Global)
09:58:57 vRecv(Link0,setup_echo_reply_g ns_g2g ns_l2g) timeout:5 cntLimit:0 seektime:0
Recv Neighbor Solicitation (Global to Global)
09:58:57 vSend(Link0,na_g2g)
Send Neighbor Advertisement (Global to Global)
09:58:57 vRecv(Link0,setup_echo_reply_g) timeout:5 cntLimit:0 seektime:0 Recv Echo Reply (Global)

OK
09:58:57 Clear Captured Packets (Link0)

--- end Common Test Setup 1.1 for Host
NUT send 1st Echo Request to Multicast Destination
09:58:57 Clear Captured Packets (Link0)
09:58:57 vRemote(ping6.rmt) ``/usr/local/v6eval//bin/rhel51//ping6.rmt -t rhel51 -u root -p redhat -d cuad0 -o 1 size=1452 addr=FF1E::1:2 if=eth1 ''

Connected
prompt_user: ``login: '', prompt_password: ``Password: '', prompt_command:
``(\$|#) ''
rLogin: Wait for login prompt (0.2 sec)...
rLogin: Never got prompt; try again
rLogin: Wait for login prompt (50 sec)...

Fedora release 9.91 (Rawhide)
Kernel 2.6.27-0.352.rc7.git1.fc10.i686 on an i686 (ttyS0)

ipv6test login: rLogin: Got login prompt
rlogin: wait for password prompt
rLogin: Wait for password prompt (50 sec)
root
Password: rLogin: Got password prompt
rLogin: Wait for command prompt (50 sec)

Last login: Mon Nov 10 09:56:12 on ttyS0
[root@ipv6test ~]# rLogin: Got command prompt
_rCommand: Try to get command prompt (0.2 sec.)
_rCommand: (\$|#)
_rCommand: command prompt...
_rCommand: Try to get command prompt (15 sec.)
_rCommand: (\$|#)

[root@ipv6test ~]# _rCommand: Do ``ping6 -n -c 1 -i 1 -s 1452 -p 00 -w 2 -I eth1 FF1E::1:2'' command
ping6 -n -c 1 -i 1 -s 1452 -p 00 -w 2 -I eth1 FF1E::1:2
rCommand: Try to get command prompt (0.2 sec)
PATTERN: 0x00
PING FF1E::1:2(ff1e::1:2) from 3ffe:501:ffff:100:21d:fff:fe0f:be4e eth1: 1452 data bytes
rCommand: Try to get command prompt (15 sec)

--- FF1E::1:2 ping statistics ---
3 packets transmitted, 0 received, 100% packet loss, time 2000ms

[root@ipv6test ~]#
[rootrCommand: CmdOutput=``
PATTERN: 0x00
PING FF1E::1:2(ff1e::1:2) from 3ffe:501:ffff:100:21d:fff:fe0f:be4e eth1: 1452 data bytes

--- FF1E::1:2 ping statistics ---
3 packets transmitted, 0 received, 100% packet loss, time 2000ms

[root@ipv6test ~]''
@ipv6test ~]# echo $?
1rCommand: exit status: 1
~
[EOT]

09:59:01 vRecv(Link0,u_ns_g2l_wo ns_l2l u_ns_l2l_wo u_ns_g2l u_ns_l2g_wo ns_g2g ns_g2l u_ns_l2l u_ns_g2g u_ns_g2g_wo u_ns_l2g ns_l2g echo_request_mc1500 echo_request1500_1st_8 echo_request1500_1st_16 echo_request1500_1st_24 echo_request1500_1st_32 echo_request1500_1st_40 echo_request1500_1st_48 echo_request1500_1st_56 echo_request1500_1st_64 echo_request1500_1st_72 echo_request1500_1st_80 echo_request1500_1st_88 echo_request1500_1st_96 echo_request1500_1st_104 echo_request1500_1st_112 echo_request1500_1st_120 echo_request1500_1st_128 echo_request1500_1st_136 echo_request1500_1st_144 echo_request1500_1st_152 echo_request1500_1st_160 echo_request1500_1st_168 echo_request1500_1st_176 echo_request1500_1st_184 echo_request1500_1st_192 echo_request1500_1st_200 echo_request1500_1st_208 echo_request1500_1st_216 echo_request1500_1st_224 echo_request1500_1st_232 echo_request1500_1st_240 echo_request1500_1st_248 echo_request1500_1st_256 echo_request1500_1st_264 echo_request1500_1st_272 echo_request1500_1st_280 echo_request1500_1st_288 echo_request1500_1st_296 echo_request1500_1st_304 echo_request1500_1st_312 echo_request1500_1st_320 echo_request1500_1st_328 echo_request1500_1st_336 echo_request1500_1st_344 echo_request1500_1st_352 echo_request1500_1st_360 echo_request1500_1st_368 echo_request1500_1st_376 echo_request1500_1st_384 echo_request1500_1st_392 echo_request1500_1st_400 echo_request1500_1st_408 echo_request1500_1st_416 echo_request1500_1st_424 echo_request1500_1st_432 echo_request1500_1st_440 echo_request1500_1st_448 echo_request1500_1st_456 echo_request1500_1st_464 echo_request1500_1st_472 echo_request1500_1st_480 echo_request1500_1st_488 echo_request1500_1st_496 echo_request1500_1st_504 echo_request1500_1st_512 echo_request1500_1st_520 echo_request1500_1st_528 echo_request1500_1st_536 echo_request1500_1st_544 echo_request1500_1st_552 echo_request1500_1st_560 echo_request1500_1st_568 echo_request1500_1st_576 echo_request1500_1st_584 echo_request1500_1st_592 echo_request1500_1st_600 echo_request1500_1st_608 echo_request1500_1st_616 echo_request1500_1st_624 echo_request1500_1st_632 echo_request1500_1st_640 echo_request1500_1st_648 echo_request1500_1st_656 echo_request1500_1st_664 echo_request1500_1st_672 echo_request1500_1st_680 echo_request1500_1st_688 echo_request1500_1st_696 echo_request1500_1st_704 echo_request1500_1st_712 echo_request1500_1st_720 echo_request1500_1st_728 echo_request1500_1st_736 echo_request1500_1st_744 echo_request1500_1st_752 echo_request1500_1st_760 echo_request1500_1st_768 echo_request1500_1st_776 echo_request1500_1st_784 echo_request1500_1st_792 echo_request1500_1st_800 echo_request1500_1st_808 echo_request1500_1st_816 echo_request1500_1st_824 echo_request1500_1st_832 echo_request1500_1st_840 echo_request1500_1st_848 echo_request1500_1st_856 echo_request1500_1st_864 echo_request1500_1st_872 echo_request1500_1st_880 echo_request1500_1st_888 echo_request1500_1st_896 echo_request1500_1st_904 echo_request1500_1st_912 echo_request1500_1st_920 echo_request1500_1st_928 echo_request1500_1st_936 echo_request1500_1st_944 echo_request1500_1st_952 echo_request1500_1st_960 echo_request1500_1st_968 echo_request1500_1st_976 echo_request1500_1st_984 echo_request1500_1st_992 echo_request1500_1st_1000 echo_request1500_1st_1008 echo_request1500_1st_1016 echo_request1500_1st_1024 echo_request1500_1st_1032 echo_request1500_1st_1040 echo_request1500_1st_1048 echo_request1500_1st_1056 echo_request1500_1st_1064 echo_request1500_1st_1072 echo_request1500_1st_1080 echo_request1500_1st_1088 echo_request1500_1st_1096 echo_request1500_1st_1104 echo_request1500_1st_1112 echo_request1500_1st_1120 echo_request1500_1st_1128 echo_request1500_1st_1136 echo_request1500_1st_1144 echo_request1500_1st_1152 echo_request1500_1st_1160 echo_request1500_1st_1168 echo_request1500_1st_1176 echo_request1500_1st_1184 echo_request1500_1st_1192 echo_request1500_1st_1200 echo_request1500_1st_1208 echo_request1500_1st_1216 echo_request1500_1st_1224 echo_request1500_1st_1232 echo_request1500_1st_1240 echo_request1500_1st_1248 echo_request1500_1st_1256 echo_request1500_1st_1264 echo_request1500_1st_1272 echo_request1500_1st_1280 echo_request1500_1st_1288 echo_request1500_1st_1296 echo_request1500_1st_1304 echo_request1500_1st_1312 echo_request1500_1st_1320 echo_request1500_1st_1328 echo_request1500_1st_1336 echo_request1500_1st_1344 echo_request1500_1st_1352 echo_request1500_1st_1360 echo_request1500_1st_1368 echo_request1500_1st_1376 echo_request1500_1st_1384 echo_request1500_1st_1392 echo_request1500_1st_1400 echo_request1500_1st_1408 echo_request1500_1st_1416 echo_request1500_1st_1424 echo_request1500_1st_1432 echo_request1500_1st_1440 echo_request1500_1st_1448) timeout:5 cntLimit:0 seektime:0
Recv multicast Echo Request (Packet size is 1500)

OK
09:59:01 vSend(Link0,PktTooBig)
Send Packet Too Big message

NUT send 2nd Echo Request to Multicast Destination
09:59:01 Clear Captured Packets (Link0)
09:59:01 vRemote(ping6.rmt) ``/usr/local/v6eval//bin/rhel51//ping6.rmt -t rhel51 -u root -p redhat -d cuad0 -o 1 size=1452 addr=FF1E::1:2 if=eth1 ''

[root@ipv6test ~]# rLogin: Got command prompt
rLogin: Got command prompt
_rCommand: Try to get command prompt (0.2 sec.)
_rCommand: (\$|#)
_rCommand: command prompt...
_rCommand: Try to get command prompt (15 sec.)
_rCommand: (\$|#)

[root@ipv6test ~]# _rCommand: Do ``ping6 -n -c 1 -i 1 -s 1452 -p 00 -w 2 -I eth1 FF1E::1:2'' command
ping6 -n -c 1 -i 1 -s 1452 -p 00 -w 2 -I eth1 FF1E::1:2
PATTErCommand: Try to get command prompt (0.2 sec)
RN: 0x00
PING FF1E::1:2(ff1e::1:2) from 3ffe:501:ffff:100:21d:fff:fe0f:be4e eth1: 1452 data bytes

Quoted 1 line

From 3ffe:501:ffff:100:21d:fff:fe0f:be4e icmp_seq=1 Packet too big: mtu=1450

--- FF1E::1:2 ping statistics ---
0 packets transmitted, 0 received, +1 errors

[root@ipv6test ~]# rCommand: CmdOutput=``
PATTERN: 0x00
PING FF1E::1:2(ff1e::1:2) from 3ffe:501:ffff:100:21d:fff:fe0f:be4e eth1: 1452 data bytes

Quoted 1 line

From 3ffe:501:ffff:100:21d:fff:fe0f:be4e icmp_seq=1 Packet too big: mtu=1450

--- FF1E::1:2 ping statistics ---
0 packets transmitted, 0 received, +1 errors

[root@ipv6test ~]''
echo $?
1
[roorCommand: exit status: 1
~
[EOT]

09:59:02 vRecv(Link0,u_ns_g2l_wo ns_l2l u_ns_g2l u_ns_l2l_wo ns_g2g u_ns_l2g_wo u_ns_l2l ns_g2l u_ns_g2g u_ns_g2g_wo u_ns_l2g ns_l2g echo_request1500_1st_64 echo_request1500_1st_72 echo_request1500_1st_80 echo_request1500_1st_88 echo_request1500_1st_96 echo_request1500_1st_104 echo_request1500_1st_112 echo_request1500_1st_120 echo_request1500_1st_128 echo_request1500_1st_136 echo_request1500_1st_144 echo_request1500_1st_152 echo_request1500_1st_160 echo_request1500_1st_168 echo_request1500_1st_176 echo_request1500_1st_184 echo_request1500_1st_192 echo_request1500_1st_200 echo_request1500_1st_208 echo_request1500_1st_216 echo_request1500_1st_224 echo_request1500_1st_232 echo_request1500_1st_240 echo_request1500_1st_248 echo_request1500_1st_256 echo_request1500_1st_264 echo_request1500_1st_272 echo_request1500_1st_280 echo_request1500_1st_288 echo_request1500_1st_296 echo_request1500_1st_304 echo_request1500_1st_312 echo_request1500_1st_320 echo_request1500_1st_328 echo_request1500_1st_336 echo_request1500_1st_344 echo_request1500_1st_352 echo_request1500_1st_360 echo_request1500_1st_368 echo_request1500_1st_376 echo_request1500_1st_384 echo_request1500_1st_392 echo_request1500_1st_400 echo_request1500_1st_408 echo_request1500_1st_416 echo_request1500_1st_424 echo_request1500_1st_432 echo_request1500_1st_440 echo_request1500_1st_448 echo_request1500_1st_456 echo_request1500_1st_464 echo_request1500_1st_472 echo_request1500_1st_480 echo_request1500_1st_488 echo_request1500_1st_496 echo_request1500_1st_504 echo_request1500_1st_512 echo_request1500_1st_520 echo_request1500_1st_528 echo_request1500_1st_536 echo_request1500_1st_544 echo_request1500_1st_552 echo_request1500_1st_560 echo_request1500_1st_568 echo_request1500_1st_576 echo_request1500_1st_584 echo_request1500_1st_592 echo_request1500_1st_600 echo_request1500_1st_608 echo_request1500_1st_616 echo_request1500_1st_624 echo_request1500_1st_632 echo_request1500_1st_640 echo_request1500_1st_648 echo_request1500_1st_656 echo_request1500_1st_664 echo_request1500_1st_672 echo_request1500_1st_680 echo_request1500_1st_688 echo_request1500_1st_696 echo_request1500_1st_704 echo_request1500_1st_712 echo_request1500_1st_720 echo_request1500_1st_728 echo_request1500_1st_736 echo_request1500_1st_744 echo_request1500_1st_752 echo_request1500_1st_760 echo_request1500_1st_768 echo_request1500_1st_776 echo_request1500_1st_784 echo_request1500_1st_792 echo_request1500_1st_800 echo_request1500_1st_808 echo_request1500_1st_816 echo_request1500_1st_824 echo_request1500_1st_832 echo_request1500_1st_840 echo_request1500_1st_848 echo_request1500_1st_856 echo_request1500_1st_864 echo_request1500_1st_872 echo_request1500_1st_880 echo_request1500_1st_888 echo_request1500_1st_896 echo_request1500_1st_904 echo_request1500_1st_912 echo_request1500_1st_920 echo_request1500_1st_928 echo_request1500_1st_936 echo_request1500_1st_944 echo_request1500_1st_952 echo_request1500_1st_960 echo_request1500_1st_968 echo_request1500_1st_976 echo_request1500_1st_984 echo_request1500_1st_992 echo_request1500_1st_1000 echo_request1500_1st_1008 echo_request1500_1st_1016 echo_request1500_1st_1024 echo_request1500_1st_1032 echo_request1500_1st_1040 echo_request1500_1st_1048 echo_request1500_1st_1056 echo_request1500_1st_1064 echo_request1500_1st_1072 echo_request1500_1st_1080 echo_request1500_1st_1088 echo_request1500_1st_1096 echo_request1500_1st_1104 echo_request1500_1st_1112 echo_request1500_1st_1120 echo_request1500_1st_1128 echo_request1500_1st_1136 echo_request1500_1st_1144 echo_request1500_1st_1152 echo_request1500_1st_1160 echo_request1500_1st_1168 echo_request1500_1st_1176 echo_request1500_1st_1184 echo_request1500_1st_1192 echo_request1500_1st_1200 echo_request1500_1st_1208 echo_request1500_1st_1216 echo_request1500_1st_1224 echo_request1500_1st_1232 echo_request1500_1st_1240 echo_request1500_1st_1248 echo_request1500_1st_1256 echo_request1500_1st_1264 echo_request1500_1st_1272 echo_request1500_1st_1280 echo_request1500_1st_1288 echo_request1500_1st_1296 echo_request1500_1st_1304 echo_request1500_1st_1312 echo_request1500_1st_1320 echo_request1500_1st_1328 echo_request1500_1st_1336 echo_request1500_1st_1344 echo_request1500_1st_1352 echo_request1500_1st_1360 echo_request1500_1st_1368 echo_request1500_1st_1376 echo_request1500_1st_1384 echo_request1500_1st_1392 echo_request1500_1st_1400) timeout:5 cntLimit:0 seektime:0
vRecv() return status=1

Cannot receive Echo Request
NG
09:59:07 vSend(Link0,PktTooBig_others)
Send Packet Too Big message

NUT send 3rd Echo Request to Multicast Destination
09:59:08 Clear Captured Packets (Link0)
09:59:08 vRemote(ping6.rmt) ``/usr/local/v6eval//bin/rhel51//ping6.rmt -t rhel51 -u root -p redhat -d cuad0 -o 1 size=1452 addr=FF1E::1:2 if=eth1 ''

Quoted 1 line

From 3ffe:501:ffff:100:21d:fff:fe0f:be4e icmp_seq=1 Packet too big: mtu=1400

--- FF1E::1:2 ping statistics ---
0 packets transmitted, 0 received, +1 errors

[root@ipv6test rCommand: Try to get command prompt (15 sec)
~]#
[rorCommand: CmdOutput=``
PATTERN: 0x00
PING FF1E::1:2(ff1e::1:2) from 3ffe:501:ffff:100:21d:fff:fe0f:be4e eth1: 1452 data bytes

Quoted 1 line

From 3ffe:501:ffff:100:21d:fff:fe0f:be4e icmp_seq=1 Packet too big: mtu=1400

--- FF1E::1:2 ping statistics ---
0 packets transmitted, 0 received, +1 errors

[root@ipv6test ~]''
ot@ipv6test ~]# echo $?
1
[rCommand: exit status: 1
~
[EOT]

09:59:09 vRecv(Link0,u_ns_g2l_wo ns_l2l u_ns_g2l u_ns_l2l_wo ns_g2g u_ns_l2g_wo u_ns_l2l ns_g2l u_ns_g2g u_ns_g2g_wo u_ns_l2g ns_l2g echo_request1500_1st_112 echo_request1500_1st_120 echo_request1500_1st_128 echo_request1500_1st_136 echo_request1500_1st_144 echo_request1500_1st_152 echo_request1500_1st_160 echo_request1500_1st_168 echo_request1500_1st_176 echo_request1500_1st_184 echo_request1500_1st_192 echo_request1500_1st_200 echo_request1500_1st_208 echo_request1500_1st_216 echo_request1500_1st_224 echo_request1500_1st_232 echo_request1500_1st_240 echo_request1500_1st_248 echo_request1500_1st_256 echo_request1500_1st_264 echo_request1500_1st_272 echo_request1500_1st_280 echo_request1500_1st_288 echo_request1500_1st_296 echo_request1500_1st_304 echo_request1500_1st_312 echo_request1500_1st_320 echo_request1500_1st_328 echo_request1500_1st_336 echo_request1500_1st_344 echo_request1500_1st_352 echo_request1500_1st_360 echo_request1500_1st_368 echo_request1500_1st_376 echo_request1500_1st_384 echo_request1500_1st_392 echo_request1500_1st_400 echo_request1500_1st_408 echo_request1500_1st_416 echo_request1500_1st_424 echo_request1500_1st_432 echo_request1500_1st_440 echo_request1500_1st_448 echo_request1500_1st_456 echo_request1500_1st_464 echo_request1500_1st_472 echo_request1500_1st_480 echo_request1500_1st_488 echo_request1500_1st_496 echo_request1500_1st_504 echo_request1500_1st_512 echo_request1500_1st_520 echo_request1500_1st_528 echo_request1500_1st_536 echo_request1500_1st_544 echo_request1500_1st_552 echo_request1500_1st_560 echo_request1500_1st_568 echo_request1500_1st_576 echo_request1500_1st_584 echo_request1500_1st_592 echo_request1500_1st_600 echo_request1500_1st_608 echo_request1500_1st_616 echo_request1500_1st_624 echo_request1500_1st_632 echo_request1500_1st_640 echo_request1500_1st_648 echo_request1500_1st_656 echo_request1500_1st_664 echo_request1500_1st_672 echo_request1500_1st_680 echo_request1500_1st_688 echo_request1500_1st_696 echo_request1500_1st_704 echo_request1500_1st_712 echo_request1500_1st_720 echo_request1500_1st_728 echo_request1500_1st_736 echo_request1500_1st_744 echo_request1500_1st_752 echo_request1500_1st_760 echo_request1500_1st_768 echo_request1500_1st_776 echo_request1500_1st_784 echo_request1500_1st_792 echo_request1500_1st_800 echo_request1500_1st_808 echo_request1500_1st_816 echo_request1500_1st_824 echo_request1500_1st_832 echo_request1500_1st_840 echo_request1500_1st_848 echo_request1500_1st_856 echo_request1500_1st_864 echo_request1500_1st_872 echo_request1500_1st_880 echo_request1500_1st_888 echo_request1500_1st_896 echo_request1500_1st_904 echo_request1500_1st_912 echo_request1500_1st_920 echo_request1500_1st_928 echo_request1500_1st_936 echo_request1500_1st_944 echo_request1500_1st_952 echo_request1500_1st_960 echo_request1500_1st_968 echo_request1500_1st_976 echo_request1500_1st_984 echo_request1500_1st_992 echo_request1500_1st_1000 echo_request1500_1st_1008 echo_request1500_1st_1016 echo_request1500_1st_1024 echo_request1500_1st_1032 echo_request1500_1st_1040 echo_request1500_1st_1048 echo_request1500_1st_1056 echo_request1500_1st_1064 echo_request1500_1st_1072 echo_request1500_1st_1080 echo_request1500_1st_1088 echo_request1500_1st_1096 echo_request1500_1st_1104 echo_request1500_1st_1112 echo_request1500_1st_1120 echo_request1500_1st_1128 echo_request1500_1st_1136 echo_request1500_1st_1144 echo_request1500_1st_1152 echo_request1500_1st_1160 echo_request1500_1st_1168 echo_request1500_1st_1176 echo_request1500_1st_1184 echo_request1500_1st_1192 echo_request1500_1st_1200 echo_request1500_1st_1208 echo_request1500_1st_1216 echo_request1500_1st_1224 echo_request1500_1st_1232 echo_request1500_1st_1240 echo_request1500_1st_1248 echo_request1500_1st_1256 echo_request1500_1st_1264 echo_request1500_1st_1272 echo_request1500_1st_1280 echo_request1500_1st_1288 echo_request1500_1st_1296 echo_request1500_1st_1304 echo_request1500_1st_1312 echo_request1500_1st_1320 echo_request1500_1st_1328 echo_request1500_1st_1336 echo_request1500_1st_1344 echo_request1500_1st_1352) timeout:5 cntLimit:0 seektime:0
vRecv() return status=1

Cannot receive Echo Request
NG
NUT send 4th Echo Request to Multicast Destination
09:59:14 Clear Captured Packets (Link0)
09:59:14 vRemote(ping6.rmt) ``/usr/local/v6eval//bin/rhel51//ping6.rmt -t rhel51 -u root -p redhat -d cuad0 -o 1 size=1352 addr=FF1E::1:2 if=eth1 ''

[root@ipv6test ~]# _rCommand: Do ``ping6 -n -c 1 -i 1 -s 1352 -p 00 -w 2 -I eth1 FF1E::1:2'' command
ping6 -n -c 1 -i 1 -s 1352 -p 00 -w 2 -I eth1 FF1E::1:2
PATTErCommand: Try to get command prompt (0.2 sec)
RN: 0x00
PING FF1E::1:2(ff1e::1:2) from 3ffe:501:ffff:100:21d:fff:fe0f:be4e eth1: 1352 data bytes
rCommand: Try to get command prompt (15 sec)

--- FF1E::1:2 ping statistics ---
3 packets transmitted, 0 received, 100% packet loss, time 2000ms

[root@ipv6test ~]#
[rrCommand: CmdOutput=``
PATTERN: 0x00
PING FF1E::1:2(ff1e::1:2) from 3ffe:501:ffff:100:21d:fff:fe0f:be4e eth1: 1352 data bytes

--- FF1E::1:2 ping statistics ---
3 packets transmitted, 0 received, 100% packet loss, time 2000ms

[root@ipv6test ~]''
oot@ipv6test ~]# echo $?
1
rCommand: exit status: 1
~
[EOT]

09:59:16 vRecv(Link0,u_ns_g2l_wo ns_l2l u_ns_g2l u_ns_l2l_wo ns_g2g u_ns_l2g_wo u_ns_l2l ns_g2l u_ns_g2g u_ns_g2g_wo u_ns_l2g ns_l2g echo_request_mc1400 echo_request1400_1st_8 echo_request1400_1st_16 echo_request1400_1st_24 echo_request1400_1st_32 echo_request1400_1st_40 echo_request1400_1st_48 echo_request1400_1st_56 echo_request1400_1st_64 echo_request1400_1st_72 echo_request1400_1st_80 echo_request1400_1st_88 echo_request1400_1st_96 echo_request1400_1st_104 echo_request1400_1st_112 echo_request1400_1st_120 echo_request1400_1st_128 echo_request1400_1st_136 echo_request1400_1st_144 echo_request1400_1st_152 echo_request1400_1st_160 echo_request1400_1st_168 echo_request1400_1st_176 echo_request1400_1st_184 echo_request1400_1st_192 echo_request1400_1st_200 echo_request1400_1st_208 echo_request1400_1st_216 echo_request1400_1st_224 echo_request1400_1st_232 echo_request1400_1st_240 echo_request1400_1st_248 echo_request1400_1st_256 echo_request1400_1st_264 echo_request1400_1st_272 echo_request1400_1st_280 echo_request1400_1st_288 echo_request1400_1st_296 echo_request1400_1st_304 echo_request1400_1st_312 echo_request1400_1st_320 echo_request1400_1st_328 echo_request1400_1st_336 echo_request1400_1st_344 echo_request1400_1st_352 echo_request1400_1st_360 echo_request1400_1st_368 echo_request1400_1st_376 echo_request1400_1st_384 echo_request1400_1st_392 echo_request1400_1st_400 echo_request1400_1st_408 echo_request1400_1st_416 echo_request1400_1st_424 echo_request1400_1st_432 echo_request1400_1st_440 echo_request1400_1st_448 echo_request1400_1st_456 echo_request1400_1st_464 echo_request1400_1st_472 echo_request1400_1st_480 echo_request1400_1st_488 echo_request1400_1st_496 echo_request1400_1st_504 echo_request1400_1st_512 echo_request1400_1st_520 echo_request1400_1st_528 echo_request1400_1st_536 echo_request1400_1st_544 echo_request1400_1st_552 echo_request1400_1st_560 echo_request1400_1st_568 echo_request1400_1st_576 echo_request1400_1st_584 echo_request1400_1st_592 echo_request1400_1st_600 echo_request1400_1st_608 echo_request1400_1st_616 echo_request1400_1st_624 echo_request1400_1st_632 echo_request1400_1st_640 echo_request1400_1st_648 echo_request1400_1st_656 echo_request1400_1st_664 echo_request1400_1st_672 echo_request1400_1st_680 echo_request1400_1st_688 echo_request1400_1st_696 echo_request1400_1st_704 echo_request1400_1st_712 echo_request1400_1st_720 echo_request1400_1st_728 echo_request1400_1st_736 echo_request1400_1st_744 echo_request1400_1st_752 echo_request1400_1st_760 echo_request1400_1st_768 echo_request1400_1st_776 echo_request1400_1st_784 echo_request1400_1st_792 echo_request1400_1st_800 echo_request1400_1st_808 echo_request1400_1st_816 echo_request1400_1st_824 echo_request1400_1st_832 echo_request1400_1st_840 echo_request1400_1st_848 echo_request1400_1st_856 echo_request1400_1st_864 echo_request1400_1st_872 echo_request1400_1st_880 echo_request1400_1st_888 echo_request1400_1st_896 echo_request1400_1st_904 echo_request1400_1st_912 echo_request1400_1st_920 echo_request1400_1st_928 echo_request1400_1st_936 echo_request1400_1st_944 echo_request1400_1st_952 echo_request1400_1st_960 echo_request1400_1st_968 echo_request1400_1st_976 echo_request1400_1st_984 echo_request1400_1st_992 echo_request1400_1st_1000 echo_request1400_1st_1008 echo_request1400_1st_1016 echo_request1400_1st_1024 echo_request1400_1st_1032 echo_request1400_1st_1040 echo_request1400_1st_1048 echo_request1400_1st_1056 echo_request1400_1st_1064 echo_request1400_1st_1072 echo_request1400_1st_1080 echo_request1400_1st_1088 echo_request1400_1st_1096 echo_request1400_1st_1104 echo_request1400_1st_1112 echo_request1400_1st_1120 echo_request1400_1st_1128 echo_request1400_1st_1136 echo_request1400_1st_1144 echo_request1400_1st_1152 echo_request1400_1st_1160 echo_request1400_1st_1168 echo_request1400_1st_1176 echo_request1400_1st_1184 echo_request1400_1st_1192 echo_request1400_1st_1200 echo_request1400_1st_1208 echo_request1400_1st_1216 echo_request1400_1st_1224 echo_request1400_1st_1232 echo_request1400_1st_1240 echo_request1400_1st_1248 echo_request1400_1st_1256 echo_request1400_1st_1264 echo_request1400_1st_1272 echo_request1400_1st_1280 echo_request1400_1st_1288 echo_request1400_1st_1296 echo_request1400_1st_1304 echo_request1400_1st_1312 echo_request1400_1st_1320 echo_request1400_1st_1328 echo_request1400_1st_1336 echo_request1400_1st_1344 echo_request1400_1st_1352) timeout:5 cntLimit:0 seektime:0
Recv multicast Echo Request (Packet size is 1400)

OK
09:59:17 vSend(Link0,PktTooBig)
Send Packet Too Big message

NUT send 5th Echo Request to Multicast Destination
09:59:17 Clear Captured Packets (Link0)
09:59:17 vRemote(ping6.rmt) ``/usr/local/v6eval//bin/rhel51//ping6.rmt -t rhel51 -u root -p redhat -d cuad0 -o 1 size=1352 addr=FF1E::1:2 if=eth1 ''

[root@ipv6test ~]# _rCommand: Do ``ping6 -n -c 1 -i 1 -s 1352 -p 00 -w 2 -I eth1 FF1E::1:2'' command
ping6 -n -c 1 -i 1 -s 1352 -p 00 -w 2 -I eth1 FF1E::1:2
PATTErCommand: Try to get command prompt (0.2 sec)
RN: 0x00
PING FF1E::1:2(ff1rCommand: Try to get command prompt (15 sec) e::1:2) from 3ffe:501:ffff:100:21d:fff:fe0f:be4e eth1: 1352 data bytes

Quoted 1 line

From 3ffe:501:ffff:100:21d:fff:fe0f:be4e icmp_seq=1 Packet too big: mtu=1300

--- FF1E::1:2 ping statistics ---
0 packets transmitted, 0 received, +1 errors

[root@ipv6test ~]#
[roorCommand: CmdOutput=``
PATTERN: 0x00
PING FF1E::1:2(ff1e::1:2) from 3ffe:501:ffff:100:21d:fff:fe0f:be4e eth1: 1352 data bytes

Quoted 1 line

From 3ffe:501:ffff:100:21d:fff:fe0f:be4e icmp_seq=1 Packet too big: mtu=1300

--- FF1E::1:2 ping statistics ---
0 packets transmitted, 0 received, +1 errors

[root@ipv6test ~]''
t@ipv6test ~]# echo $?
1rCommand: exit status: 1
~
[EOT]

09:59:18 vRecv(Link0,u_ns_g2l_wo ns_l2l u_ns_g2l u_ns_l2l_wo ns_g2g u_ns_l2g_wo u_ns_l2l ns_g2l u_ns_g2g u_ns_g2g_wo u_ns_l2g ns_l2g echo_request1400_1st_112 echo_request1400_1st_120 echo_request1400_1st_128 echo_request1400_1st_136 echo_request1400_1st_144 echo_request1400_1st_152 echo_request1400_1st_160 echo_request1400_1st_168 echo_request1400_1st_176 echo_request1400_1st_184 echo_request1400_1st_192 echo_request1400_1st_200 echo_request1400_1st_208 echo_request1400_1st_216 echo_request1400_1st_224 echo_request1400_1st_232 echo_request1400_1st_240 echo_request1400_1st_248 echo_request1400_1st_256 echo_request1400_1st_264 echo_request1400_1st_272 echo_request1400_1st_280 echo_request1400_1st_288 echo_request1400_1st_296 echo_request1400_1st_304 echo_request1400_1st_312 echo_request1400_1st_320 echo_request1400_1st_328 echo_request1400_1st_336 echo_request1400_1st_344 echo_request1400_1st_352 echo_request1400_1st_360 echo_request1400_1st_368 echo_request1400_1st_376 echo_request1400_1st_384 echo_request1400_1st_392 echo_request1400_1st_400 echo_request1400_1st_408 echo_request1400_1st_416 echo_request1400_1st_424 echo_request1400_1st_432 echo_request1400_1st_440 echo_request1400_1st_448 echo_request1400_1st_456 echo_request1400_1st_464 echo_request1400_1st_472 echo_request1400_1st_480 echo_request1400_1st_488 echo_request1400_1st_496 echo_request1400_1st_504 echo_request1400_1st_512 echo_request1400_1st_520 echo_request1400_1st_528 echo_request1400_1st_536 echo_request1400_1st_544 echo_request1400_1st_552 echo_request1400_1st_560 echo_request1400_1st_568 echo_request1400_1st_576 echo_request1400_1st_584 echo_request1400_1st_592 echo_request1400_1st_600 echo_request1400_1st_608 echo_request1400_1st_616 echo_request1400_1st_624 echo_request1400_1st_632 echo_request1400_1st_640 echo_request1400_1st_648 echo_request1400_1st_656 echo_request1400_1st_664 echo_request1400_1st_672 echo_request1400_1st_680 echo_request1400_1st_688 echo_request1400_1st_696 echo_request1400_1st_704 echo_request1400_1st_712 echo_request1400_1st_720 echo_request1400_1st_728 echo_request1400_1st_736 echo_request1400_1st_744 echo_request1400_1st_752 echo_request1400_1st_760 echo_request1400_1st_768 echo_request1400_1st_776 echo_request1400_1st_784 echo_request1400_1st_792 echo_request1400_1st_800 echo_request1400_1st_808 echo_request1400_1st_816 echo_request1400_1st_824 echo_request1400_1st_832 echo_request1400_1st_840 echo_request1400_1st_848 echo_request1400_1st_856 echo_request1400_1st_864 echo_request1400_1st_872 echo_request1400_1st_880 echo_request1400_1st_888 echo_request1400_1st_896 echo_request1400_1st_904 echo_request1400_1st_912 echo_request1400_1st_920 echo_request1400_1st_928 echo_request1400_1st_936 echo_request1400_1st_944 echo_request1400_1st_952 echo_request1400_1st_960 echo_request1400_1st_968 echo_request1400_1st_976 echo_request1400_1st_984 echo_request1400_1st_992 echo_request1400_1st_1000 echo_request1400_1st_1008 echo_request1400_1st_1016 echo_request1400_1st_1024 echo_request1400_1st_1032 echo_request1400_1st_1040 echo_request1400_1st_1048 echo_request1400_1st_1056 echo_request1400_1st_1064 echo_request1400_1st_1072 echo_request1400_1st_1080 echo_request1400_1st_1088 echo_request1400_1st_1096 echo_request1400_1st_1104 echo_request1400_1st_1112 echo_request1400_1st_1120 echo_request1400_1st_1128 echo_request1400_1st_1136 echo_request1400_1st_1144 echo_request1400_1st_1152 echo_request1400_1st_1160 echo_request1400_1st_1168 echo_request1400_1st_1176 echo_request1400_1st_1184 echo_request1400_1st_1192 echo_request1400_1st_1200 echo_request1400_1st_1208 echo_request1400_1st_1216 echo_request1400_1st_1224 echo_request1400_1st_1232 echo_request1400_1st_1240 echo_request1400_1st_1248) timeout:5 cntLimit:0 seektime:0
vRecv() return status=1

Cannot receive Echo Request
NG
09:59:23 vSend(Link0,PktTooBig_others)
Send Packet Too Big message

NUT send 6th Echo Request to Multicast Destination
09:59:23 Clear Captured Packets (Link0)
09:59:23 vRemote(ping6.rmt) ``/usr/local/v6eval//bin/rhel51//ping6.rmt -t rhel51 -u root -p redhat -d cuad0 -o 1 size=1352 addr=FF1E::1:2 if=eth1 ''

Quoted 1 line

From 3ffe:501:ffff:100:21d:fff:fe0f:be4e icmp_seq=1 Packet too big: mtu=1300

--- FF1E::1:2 ping statistics ---
0 packets transmitted, 0 received, +1 errors

[root@ipv6test ~]# rCommand: CmdOutput=``
PATTERN: 0x00
PING FF1E::1:2(ff1e::1:2) from 3ffe:501:ffff:100:21d:fff:fe0f:be4e eth1: 1352 data bytes

Quoted 1 line

From 3ffe:501:ffff:100:21d:fff:fe0f:be4e icmp_seq=1 Packet too big: mtu=1300

--- FF1E::1:2 ping statistics ---
0 packets transmitted, 0 received, +1 errors

[root@ipv6test ~]''
echo $?
1
[root@ipv6testrCommand: exit status: 1
~
[EOT]

09:59:24 vRecv(Link0,u_ns_g2l_wo ns_l2l u_ns_g2l u_ns_l2l_wo ns_g2g u_ns_l2g_wo u_ns_l2l ns_g2l u_ns_g2g u_ns_g2g_wo u_ns_l2g ns_l2g echo_request1400_1st_112 echo_request1400_1st_120 echo_request1400_1st_128 echo_request1400_1st_136 echo_request1400_1st_144 echo_request1400_1st_152 echo_request1400_1st_160 echo_request1400_1st_168 echo_request1400_1st_176 echo_request1400_1st_184 echo_request1400_1st_192 echo_request1400_1st_200 echo_request1400_1st_208 echo_request1400_1st_216 echo_request1400_1st_224 echo_request1400_1st_232 echo_request1400_1st_240 echo_request1400_1st_248 echo_request1400_1st_256 echo_request1400_1st_264 echo_request1400_1st_272 echo_request1400_1st_280 echo_request1400_1st_288 echo_request1400_1st_296 echo_request1400_1st_304 echo_request1400_1st_312 echo_request1400_1st_320 echo_request1400_1st_328 echo_request1400_1st_336 echo_request1400_1st_344 echo_request1400_1st_352 echo_request1400_1st_360 echo_request1400_1st_368 echo_request1400_1st_376 echo_request1400_1st_384 echo_request1400_1st_392 echo_request1400_1st_400 echo_request1400_1st_408 echo_request1400_1st_416 echo_request1400_1st_424 echo_request1400_1st_432 echo_request1400_1st_440 echo_request1400_1st_448 echo_request1400_1st_456 echo_request1400_1st_464 echo_request1400_1st_472 echo_request1400_1st_480 echo_request1400_1st_488 echo_request1400_1st_496 echo_request1400_1st_504 echo_request1400_1st_512 echo_request1400_1st_520 echo_request1400_1st_528 echo_request1400_1st_536 echo_request1400_1st_544 echo_request1400_1st_552 echo_request1400_1st_560 echo_request1400_1st_568 echo_request1400_1st_576 echo_request1400_1st_584 echo_request1400_1st_592 echo_request1400_1st_600 echo_request1400_1st_608 echo_request1400_1st_616 echo_request1400_1st_624 echo_request1400_1st_632 echo_request1400_1st_640 echo_request1400_1st_648 echo_request1400_1st_656 echo_request1400_1st_664 echo_request1400_1st_672 echo_request1400_1st_680 echo_request1400_1st_688 echo_request1400_1st_696 echo_request1400_1st_704 echo_request1400_1st_712 echo_request1400_1st_720 echo_request1400_1st_728 echo_request1400_1st_736 echo_request1400_1st_744 echo_request1400_1st_752 echo_request1400_1st_760 echo_request1400_1st_768 echo_request1400_1st_776 echo_request1400_1st_784 echo_request1400_1st_792 echo_request1400_1st_800 echo_request1400_1st_808 echo_request1400_1st_816 echo_request1400_1st_824 echo_request1400_1st_832 echo_request1400_1st_840 echo_request1400_1st_848 echo_request1400_1st_856 echo_request1400_1st_864 echo_request1400_1st_872 echo_request1400_1st_880 echo_request1400_1st_888 echo_request1400_1st_896 echo_request1400_1st_904 echo_request1400_1st_912 echo_request1400_1st_920 echo_request1400_1st_928 echo_request1400_1st_936 echo_request1400_1st_944 echo_request1400_1st_952 echo_request1400_1st_960 echo_request1400_1st_968 echo_request1400_1st_976 echo_request1400_1st_984 echo_request1400_1st_992 echo_request1400_1st_1000 echo_request1400_1st_1008 echo_request1400_1st_1016 echo_request1400_1st_1024 echo_request1400_1st_1032 echo_request1400_1st_1040 echo_request1400_1st_1048 echo_request1400_1st_1056 echo_request1400_1st_1064 echo_request1400_1st_1072 echo_request1400_1st_1080 echo_request1400_1st_1088 echo_request1400_1st_1096 echo_request1400_1st_1104 echo_request1400_1st_1112 echo_request1400_1st_1120 echo_request1400_1st_1128 echo_request1400_1st_1136 echo_request1400_1st_1144 echo_request1400_1st_1152 echo_request1400_1st_1160 echo_request1400_1st_1168 echo_request1400_1st_1176 echo_request1400_1st_1184 echo_request1400_1st_1192 echo_request1400_1st_1200 echo_request1400_1st_1208 echo_request1400_1st_1216 echo_request1400_1st_1224 echo_request1400_1st_1232 echo_request1400_1st_1240 echo_request1400_1st_1248) timeout:5 cntLimit:0 seektime:0
vRecv() return status=1

Cannot receive Echo Request
NG

failed tcpdump info:
reading from file 151.html.Link0.dump, link-type EN10MB (Ethernet) 00:42:18.381723 IP6 fe80::200:ff:fe00:100 > fe80::21d:fff:fe0f:be4e: ICMP6, echo request, seq 0, length 16
00:42:18.382200 IP6 fe80::21d:fff:fe0f:be4e > ff02::1:ff00:100: ICMP6, neighbor solicitation, who has fe80::200:ff:fe00:100, length 32 00:42:18.434130 IP6 fe80::200:ff:fe00:100 > fe80::21d:fff:fe0f:be4e: ICMP6, neighbor advertisement, tgt is fe80::200:ff:fe00:100, length 32 00:42:18.434261 IP6 fe80::21d:fff:fe0f:be4e > fe80::200:ff:fe00:100: ICMP6, echo reply, seq 0, length 16
00:42:18.485959 IP6 fe80::200:ff:fe00:100 > ff02::1: ICMP6, router advertisement, length 64
00:42:18.541190 IP6 :: > ff02::1:ff0f:be4e: ICMP6, neighbor solicitation, who has 3ffe:501:ffff:100:21d:fff:fe0f:be4e, length 24
00:42:23.568201 IP6 3ffe:501:ffff:100:200:ff:fe00:100 > 3ffe:501:ffff:100:21d:fff:fe0f:be4e: ICMP6, echo request, seq 0, length 16 00:42:23.569298 IP6 3ffe:501:ffff:100:21d:fff:fe0f:be4e > ff02::1:ff00:100:
ICMP6, neighbor solicitation, who has 3ffe:501:ffff:100:200:ff:fe00:100, length 32
00:42:23.620369 IP6 3ffe:501:ffff:100:200:ff:fe00:100 > 3ffe:501:ffff:100:21d:fff:fe0f:be4e: ICMP6, neighbor advertisement, tgt is 3ffe:501:ffff:100:200:ff:fe00:100, length 32
00:42:23.620447 IP6 3ffe:501:ffff:100:21d:fff:fe0f:be4e > 3ffe:501:ffff:100:200:ff:fe00:100: ICMP6, echo reply, seq 0, length 16 00:42:25.398359 IP6 3ffe:501:ffff:100:21d:fff:fe0f:be4e > ff1e::1:2: ICMP6, echo request, seq 1, length 1460
00:42:26.397533 IP6 3ffe:501:ffff:100:21d:fff:fe0f:be4e > ff1e::1:2: ICMP6, echo request, seq 2, length 1460
00:42:27.397558 IP6 3ffe:501:ffff:100:21d:fff:fe0f:be4e > ff1e::1:2: ICMP6, echo request, seq 3, length 1460
00:42:27.878750 IP6 3ffe:501:ffff:100:200:ff:fe00:100 > 3ffe:501:ffff:100:21d:fff:fe0f:be4e: ICMP6, packet too big, mtu 1450, length 1240
00:42:34.037953 IP6 3ffe:501:ffff:100:200:ff:fe00:100 > 3ffe:501:ffff:100:21d:fff:fe0f:be4e: ICMP6, packet too big, mtu 1400, length 1240
00:42:41.131260 IP6 3ffe:501:ffff:100:21d:fff:fe0f:be4e > ff1e::1:2: ICMP6, echo request, seq 1, length 1360
00:42:42.130832 IP6 3ffe:501:ffff:100:21d:fff:fe0f:be4e > ff1e::1:2: ICMP6, echo request, seq 2, length 1360
00:42:43.130845 IP6 3ffe:501:ffff:100:21d:fff:fe0f:be4e > ff1e::1:2: ICMP6, echo request, seq 3, length 1360
00:42:43.551766 IP6 3ffe:501:ffff:100:200:ff:fe00:100 > 3ffe:501:ffff:100:21d:fff:fe0f:be4e: ICMP6, packet too big, mtu 1300, length 1240
00:42:49.735867 IP6 3ffe:501:ffff:100:200:ff:fe00:100 > 3ffe:501:ffff:100:21d:fff:fe0f:be4e: ICMP6, packet too big, mtu 1350, length 1240
00:43:55.485037 IP6 :: > ff02::16: HBH ICMP6, multicast listener report v2, 1 group record(s), length 28
00:43:55.847954 IP6 :: > ff02::16: HBH ICMP6, multicast listener report v2, 1 group record(s), length 28
00:43:56.477020 IP6 :: > ff02::1:ff0f:be4e: ICMP6, neighbor solicitation, who has fe80::21d:fff:fe0f:be4e, length 24
00:43:57.477130 IP6 fe80::21d:fff:fe0f:be4e > ff02::2: ICMP6, router solicitation, length 16

pass tcpdump info:
reading from file 15.html.Link0.dump, link-type EN10MB (Ethernet) 18:21:43.902212 IP6 fe80::200:ff:fe00:100 > fe80::20a:ebff:fe85:9e56: ICMP6, echo request, seq 0, length 16
18:21:43.902734 IP6 fe80::20a:ebff:fe85:9e56 > ff02::1:ff00:100: ICMP6, neighbor solicitation, who has fe80::200:ff:fe00:100, length 32 18:21:43.947241 IP6 fe80::200:ff:fe00:100 > fe80::20a:ebff:fe85:9e56: ICMP6, neighbor advertisement, tgt is fe80::200:ff:fe00:100, length 32 18:21:43.947297 IP6 fe80::20a:ebff:fe85:9e56 > fe80::200:ff:fe00:100: ICMP6, echo reply, seq 0, length 16
18:21:43.986679 IP6 fe80::200:ff:fe00:100 > ff02::1: ICMP6, router advertisement, length 64
18:21:44.132013 IP6 fe80::20a:ebff:fe85:9e56.mdns > ff02::fb.mdns: 0*- [0q] 7/0/0 (Cache flush) TXT "org.freedesktop.Avahi.cookie=3535550568", (Cache flush) AAAA fe80::20a:ebff:fe85:9e56, (Cache flush) PTR ipv6test.local., (Cache flush) HINFO, (Cache flush) SRV ipv6test.local.:9 0 0, (Cache flush) TXT "org.freedesktop.Avahi.cookie=3535550568", (Cache flush) SRV ipv6test.local.:22 0 0 (395)
18:21:44.653696 IP6 :: > ff02::1:ff85:9e56: ICMP6, neighbor solicitation, who has 3ffe:501:ffff:100:20a:ebff:fe85:9e56, length 24 18:21:45.598851 IP6 fe80::20a:ebff:fe85:9e56.mdns > ff02::fb.mdns: 0*- [0q] 9/0/0 PTR _sftp-ssh._tcp.local., PTR ipv6test [00:0a:eb:85:9e:56]._workstation._tcp.local., (Cache flush) TXT "org.freedesktop.Avahi.cookie=3535550568", (Cache flush) SRV ipv6test.local.:9 0 0, (Cache flush) AAAA fe80::20a:ebff:fe85:9e56, PTR _workstation._tcp.local., PTR SFTP File Transfer on ipv6test._sftp-ssh._tcp.local., (Cache flush) TXT "org.freedesktop.Avahi.cookie=3535550568", (Cache flush) SRV ipv6test.local.:22 0 0 (365)
18:21:45.653951 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56.mdns > ff02::fb.mdns:
0*- [0q] 2/0/0 (Cache flush) PTR ipv6test.local., (Cache flush) AAAA fe80::20a:ebff:fe85:9e56 (140)
18:21:45.655683 IP6 fe80::20a:ebff:fe85:9e56 > ff02::16: HBH ICMP6, multicast listener report v2, 1 group record(s), length 28
18:21:45.847723 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56.mdns > ff02::fb.mdns:
0 [2q] [2n] ANY? 6.5.e.9.5.8.e.f.f.f.b.e.a.0.2.0.0.0.1.0.f.f.f.f.1.0.5.0.e.f.f.3.ip6.arpa. ANY? ipv6test.local. (152)
18:21:45.847853 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56.mdns > ff02::fb.mdns:
0*- [0q] 1/0/0 (Cache flush) HINFO (49)
18:21:46.098715 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56.mdns > ff02::fb.mdns:
0 [2q] [2n] ANY? 6.5.e.9.5.8.e.f.f.f.b.e.a.0.2.0.0.0.1.0.f.f.f.f.1.0.5.0.e.f.f.3.ip6.arpa. ANY? ipv6test.local. (152)
18:21:46.274795 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56.mdns > ff02::fb.mdns:
0*- [0q] 4/0/0 (Cache flush) TXT "org.freedesktop.Avahi.cookie=3535550568", (Cache flush) SRV ipv6test.local.:9 0 0, (Cache flush) TXT "org.freedesktop.Avahi.cookie=3535550568", (Cache flush) SRV ipv6test.local.:22 0 0 (258)
18:21:46.348706 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56.mdns > ff02::fb.mdns:
0 [2q] [2n] ANY? 6.5.e.9.5.8.e.f.f.f.b.e.a.0.2.0.0.0.1.0.f.f.f.f.1.0.5.0.e.f.f.3.ip6.arpa. ANY? ipv6test.local. (152)
18:21:46.348832 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56.mdns > ff02::fb.mdns:
0*- [0q] 1/0/0 (Cache flush) HINFO (49)
18:21:46.549739 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56.mdns > ff02::fb.mdns:
0*- [0q] 2/0/0 (Cache flush) PTR ipv6test.local., (Cache flush) AAAA 3ffe:501:ffff:100:20a:ebff:fe85:9e56 (140)
18:21:47.692680 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56.mdns > ff02::fb.mdns:
0*- [0q] 2/0/0 (Cache flush) PTR ipv6test.local., (Cache flush) AAAA 3ffe:501:ffff:100:20a:ebff:fe85:9e56 (140)
18:21:49.686249 IP6 3ffe:501:ffff:100:200:ff:fe00:100 > 3ffe:501:ffff:100:20a:ebff:fe85:9e56: ICMP6, echo request, seq 0, length 16 18:21:49.686483 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff02::1:ff00:100:
ICMP6, neighbor solicitation, who has 3ffe:501:ffff:100:200:ff:fe00:100, length 32
18:21:49.741762 IP6 3ffe:501:ffff:100:200:ff:fe00:100 > 3ffe:501:ffff:100:20a:ebff:fe85:9e56: ICMP6, neighbor advertisement, tgt is 3ffe:501:ffff:100:200:ff:fe00:100, length 32
18:21:49.741816 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > 3ffe:501:ffff:100:200:ff:fe00:100: ICMP6, echo reply, seq 0, length 16 18:21:49.836595 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56.mdns > ff02::fb.mdns:
0*- [0q] 2/0/0 (Cache flush) PTR ipv6test.local., (Cache flush) AAAA 3ffe:501:ffff:100:20a:ebff:fe85:9e56 (140)
18:21:51.094278 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: ICMP6, echo request, seq 0, length 1460
18:21:52.093661 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: ICMP6, echo request, seq 1, length 1460
18:21:53.094618 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: ICMP6, echo request, seq 2, length 1460
18:21:53.448470 IP6 fe80::20a:ebff:fe85:9e56 > ff02::16: HBH ICMP6, multicast listener report v2, 1 group record(s), length 28
18:21:53.511502 IP6 3ffe:501:ffff:100:200:ff:fe00:100 > 3ffe:501:ffff:100:20a:ebff:fe85:9e56: ICMP6, packet too big, mtu 1450, length 1240
18:21:54.237694 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (0|1400) ICMP6, echo request, seq 0, length 1400
18:21:54.237709 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (1400|60)
18:21:55.238522 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (0|1400) ICMP6, echo request, seq 1, length 1400
18:21:55.238534 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (1400|60)
18:21:56.238482 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (0|1400) ICMP6, echo request, seq 2, length 1400
18:21:56.238494 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (1400|60)
18:21:56.790600 IP6 3ffe:501:ffff:100:200:ff:fe00:100 > 3ffe:501:ffff:100:20a:ebff:fe85:9e56: ICMP6, packet too big, mtu 1400, length 1240
18:21:57.514546 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (0|1352) ICMP6, echo request, seq 0, length 1352
18:21:57.514566 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (1352|108)
18:21:58.514381 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (0|1352) ICMP6, echo request, seq 1, length 1352
18:21:58.514394 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (1352|108)
18:21:59.514333 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (0|1352) ICMP6, echo request, seq 2, length 1352
18:21:59.514343 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (1352|108)
18:22:00.707357 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: ICMP6, echo request, seq 0, length 1360
18:22:01.707247 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: ICMP6, echo request, seq 1, length 1360
18:22:02.707196 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: ICMP6, echo request, seq 2, length 1360
18:22:03.079178 IP6 3ffe:501:ffff:100:200:ff:fe00:100 > 3ffe:501:ffff:100:20a:ebff:fe85:9e56: ICMP6, packet too big, mtu 1300, length 1240
18:22:03.776219 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (0|1248) ICMP6, echo request, seq 0, length 1248
18:22:03.776233 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (1248|112)
18:22:04.776102 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (0|1248) ICMP6, echo request, seq 1, length 1248
18:22:04.776114 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (1248|112)
18:22:05.776055 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (0|1248) ICMP6, echo request, seq 2, length 1248
18:22:05.776066 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (1248|112)
18:22:06.246141 IP6 3ffe:501:ffff:100:200:ff:fe00:100 > 3ffe:501:ffff:100:20a:ebff:fe85:9e56: ICMP6, packet too big, mtu 1350, length 1240
18:22:06.965159 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (0|1248) ICMP6, echo request, seq 0, length 1248
18:22:06.965174 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (1248|112)
18:22:07.964967 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (0|1248) ICMP6, echo request, seq 1, length 1248
18:22:07.964980 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (1248|112)
18:22:08.964922 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (0|1248) ICMP6, echo request, seq 2, length 1248
18:22:08.964933 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (1248|112)
18:22:11.439505 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56.mdns > ff02::fb.mdns:
0*- [0q] 10/0/0 (Cache flush) HINFO, PTR ipv6test [00:0a:eb:85:9e:56]._workstation._tcp.local., (Cache flush) SRV ipv6test.local.:9 0 0, (Cache flush) TXT "org.freedesktop.Avahi.cookie=3535550568", (Cache flush) AAAA 3ffe:501:ffff:100:20a:ebff:fe85:9e56, (Cache flush) PTR ipv6test.local., PTR SFTP File Transfer on ipv6test._sftp-ssh._tcp.local., (Cache flush) SRV ipv6test.local.:22 0 0, (Cache flush) TXT "org.freedesktop.Avahi.cookie=3535550568", PTR _sftp-ssh._tcp.local. (460) 18:22:11.442472 IP6 fe80::20a:ebff:fe85:9e56 > ff02::16: HBH ICMP6, multicast listener report v2, 1 group record(s), length 28
18:22:16.905614 IP6 fe80::20a:ebff:fe85:9e56 > ff02::16: HBH ICMP6, multicast listener report v2, 1 group record(s), length 28
18:24:32.544009 IP6 :: > ff02::16: HBH ICMP6, multicast listener report v2, 1 group record(s), length 28
18:24:32.611958 IP6 :: > ff02::1:ff85:9e56: ICMP6, neighbor solicitation, who has fe80::20a:ebff:fe85:9e56, length 24
18:24:33.611454 IP6 fe80::20a:ebff:fe85:9e56 > ff02::2: ICMP6, router solicitation, length 16
18:24:33.613433 IP6 fe80::20a:ebff:fe85:9e56 > ff02::16: HBH ICMP6, multicast listener report v2, 2 group record(s), length 48
18:24:33.874604 IP6 fe80::20a:ebff:fe85:9e56.mdns > ff02::fb.mdns: 0 [4q] [7n] ANY? SFTP File Transfer on ipv6test._sftp-ssh._tcp.local. ANY? ipv6test.local. ANY? 6.5.e.9.5.8.e.f.f.f.b.e.a.0.2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.e.f.ip6.arpa. ANY? ipv6test [00:0a:eb:85:9e:56]._workstation._tcp.local. (419) 18:24:33.928510 IP6 fe80::20a:ebff:fe85:9e56.mdns > ff02::fb.mdns: 0*- [0q] 4/0/0 PTR _sftp-ssh._tcp.local., PTR ipv6test [00:0a:eb:85:9e:56]._workstation._tcp.local., PTR _workstation._tcp.local., PTR SFTP File Transfer on ipv6test._sftp-ssh._tcp.local. (184) 18:24:34.125552 IP6 fe80::20a:ebff:fe85:9e56.mdns > ff02::fb.mdns: 0 [4q] [7n] ANY? SFTP File Transfer on ipv6test._sftp-ssh._tcp.local. ANY? ipv6test.local. ANY? 6.5.e.9.5.8.e.f.f.f.b.e.a.0.2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.e.f.ip6.arpa. ANY? ipv6test [00:0a:eb:85:9e:56]._workstation._tcp.local. (419) 18:24:34.377645 IP6 fe80::20a:ebff:fe85:9e56.mdns > ff02::fb.mdns: 0 [4q] [7n] ANY? SFTP File Transfer on ipv6test._sftp-ssh._tcp.local. ANY? ipv6test.local. ANY? 6.5.e.9.5.8.e.f.f.f.b.e.a.0.2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.e.f.ip6.arpa. ANY? ipv6test [00:0a:eb:85:9e:56]._workstation._tcp.local. (419) 18:24:34.576695 IP6 fe80::20a:ebff:fe85:9e56.mdns > ff02::fb.mdns: 0*- [0q] 7/0/0 (Cache flush) TXT "org.freedesktop.Avahi.cookie=1339299084", (Cache flush) AAAA fe80::20a:ebff:fe85:9e56, (Cache flush) PTR ipv6test.local., (Cache flush) HINFO, (Cache flush) SRV ipv6test.local.:9 0 0, (Cache flush) TXT "org.freedesktop.Avahi.cookie=1339299084", (Cache flush) SRV ipv6test.local.:22 0 0 (395)

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Brian Haley

2008-11-11 19:50 UTC #1 lore raw

Quoted 2 lines · Dave Jones

Hopefully this makes more sense to the networking developers than it does to me.

A little...

Quoted 2 lines

Description of problem:
TN(FreeBSD7) sends packet too big message to NUT(Fedora10) , NUT(Fedora10) cannot receive muticast echo request of fragment

So which TAHI test was this? Have they tracked down a commit that caused this to break?

Quoted 2 lines

Version-Release number of selected component (if applicable):
2.6.27-0.352.rc7.git1.fc10.i686

Hmmm, I would take a look at this commit:

commit b5c15fc004ac83b7ad280acbe0fd4bbed7e2c8d4

Author: Herbert Xu <[email protected]>
Date:   Thu Feb 14 23:49:37 2008 -0800

[IPV6]: Fix reversed local_df test in ip6_fragment

I managed to reverse the local_df test when forward-porting this patch so it actually makes things worse by never fragmenting at all.

Thanks to David Stevens for testing and reporting this bug.

Bill Fink pointed out that the local_df setting is also the wrong way around.

Signed-off-by Herbert Xu <[email protected]>

Signed-off-by David S. Miller <[email protected]>

net/ipv6/ip6_output.c +1 -1

index 4e9a2fe..8b67ca0 100644
@@ -621,7 +621,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(s
         * or if the skb it not generated by a local socket.  (This last
         * check should be redundant, but it's free.)
         */
-       if (skb->local_df) {
+       if (!skb->local_df) {
                skb->dev = skb->dst->dev;
                icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, skb->dev);
                IP6_INC_STATS(ip6_dst_idev(skb->dst),

IPSTATS_MIB_FRAGFAILS);
@@ -1421,7 +1421,7 @@ int ip6_push_pending_frames(struct sock *sk)

        }

        /* Allow local fragmentation. */
-       if (np->pmtudisc >= IPV6_PMTUDISC_DO)
+       if (np->pmtudisc < IPV6_PMTUDISC_DO)
                skb->local_df = 1;

        ipv6_addr_copy(final_dst, &fl->fl6_dst);

Quoted 9 lines

00:42:25.398359 IP6 3ffe:501:ffff:100:21d:fff:fe0f:be4e > ff1e::1:2: ICMP6, echo request, seq 1, length 1460
00:42:26.397533 IP6 3ffe:501:ffff:100:21d:fff:fe0f:be4e > ff1e::1:2: ICMP6, echo request, seq 2, length 1460
00:42:27.397558 IP6 3ffe:501:ffff:100:21d:fff:fe0f:be4e > ff1e::1:2: ICMP6, echo request, seq 3, length 1460
00:42:27.878750 IP6 3ffe:501:ffff:100:200:ff:fe00:100 > 3ffe:501:ffff:100:21d:fff:fe0f:be4e: ICMP6, packet too big, mtu 1450, length 1240

Where's the expected fragments? See below where after the TOOBIG the next ping6 will generate them:

Quoted 7 lines

18:21:53.511502 IP6 3ffe:501:ffff:100:200:ff:fe00:100 > 3ffe:501:ffff:100:20a:ebff:fe85:9e56: ICMP6, packet too big, mtu 1450, length 1240
18:21:54.237694 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (0|1400) ICMP6, echo request, seq 0, length 1400
18:21:54.237709 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (1400|60)

Quoted 8 lines

18:21:55.238522 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (0|1400) ICMP6, echo request, seq 1, length 1400 18:21:55.238534 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (1400|60)
18:21:56.238482 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (0|1400) ICMP6, echo request, seq 2, length 1400 18:21:56.238494 IP6 3ffe:501:ffff:100:20a:ebff:fe85:9e56 > ff1e::1:2: frag (1400|60)

Maybe check the interface stats for IPv6 fragments and see why it failed:

# cat /proc/net/dev_snmp6/eth0 | grep -i frag

It would take me at least a day to get my TAHI box setup to test the latest net-next kernel to see if this is still broken upstream.

-Brian

A message that is not in the archive (sent off-list or not yet received): [email protected]

Brian Haley

2008-11-12 15:12 UTC #3 lore raw

Quoted 2 lines

Quoted 1 line
So which TAHI test was this? Have they tracked down a commit that caused this to break?
I use TAHI 4-0-3 RFC1981, if you can access my website , please see http://10.66.65.20/self_test/ipv6-core/Self_Test_4-0-3_F10/

That looks like an internal link. Either way, I'm guessing this was test 13 (Checking For Increase in PMTU), which passed for RHEL 5.3 recently I think.

Quoted 11 lines

Quoted 11 lines
Quoted 2 lines
Version-Release number of selected component (if applicable):
2.6.27-0.352.rc7.git1.fc10.i686
Hmmm, I would take a look at this commit:
commit b5c15fc004ac83b7ad280acbe0fd4bbed7e2c8d4
Author: Herbert Xu <[email protected]>
Date:   Thu Feb 14 23:49:37 2008 -0800
[IPV6]: Fix reversed local_df test in ip6_fragment

Quoted 8 lines

Quoted 8 lines
I managed to reverse the local_df test when forward-porting this patch so it actually makes things worse by never fragmenting at all.
Thanks to David Stevens for testing and reporting this bug.
Bill Fink pointed out that the local_df setting is also the wrong way around.

So can you verify your kernel has this fix? Or can you run a later kernel and see if it's fixed?

Quoted 5 lines

I check using the command, get the following info:
#cat /proc/net/dev_snmp6/eth0|grep -i frag
Ipv6FragOKs 0
Ipv6FragFails 0
Ip6FragCreates 0

You'll actually want to look at eth1, which is where the pings are going out, I was just giving that as an example.

-Brian