Bridges problem with kvm

Hi all,

I have a strange problem with my bridges configuration. I have a
rhel5.4 host with kvm-83-105 package installed. This host has two bridged interfaces defined to use with kvm guests:

DEVICE=prodif
ONBOOT=yes
TYPE=Bridge
IPADDR=172.26.50.14
NETMASK=255.255.255.240
DELAY=0
STP=off

and

DEVICE=iscsif
ONBOOT=yes
TYPE=Bridge
DELAY=0
STP=off

I have installed two kvm guests (rhel5.4 also) with two virtual
interfaces using virtio driver on one guest and e1000 driver on the other guest.

My problem is: when I do a ping between these guests over prodif
bridge all works as expected: ping responds. But if I do another ping over iscsif bridge doesn't works. The only difference between prodif bridge and iscsif bridge is that prodif has an IP address.

More info:

a) brctl show on host:

bridge name     bridge id               STP enabled     interfaces
iscsif          8000.c201b3289830       no              vnet3

vnet1
prodif 8000.226af089f4c3 no vnet2
vnet0

b) sysctl.conf on host:

net.bridge.bridge-nf-call-ip6tables = 0
net.bridge.bridge-nf-call-iptables = 0
net.bridge.bridge-nf-call-arptables = 0

I don't have iptables rules defined and net.ipv4.ip_forward is
disabled (but if I put sysctl -w net.ipv4.ip_forward=1, result is the same).

What am I doing wrong??

Many thanks.

CL Martinez
carlopmart {at} gmail {d0t} com

I find the problem: mac address used on kvm guests. I have chegend to 00:XX:XX:XX:XX:XX.

CL Martinez
carlopmart {at} gmail {d0t} com