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2nd default gateway [updated]

DISCUSSION Gery 2 participants 2 messages Jun 5, 2008

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Gery

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#0 lore raw

Hi All,

I have Linux machine with 2 ethernet cards in different segments. Like 10.2.1.1 and 192.168.1.1
Do i need 2 default gateways in routing table? Please, give me an example when it may happen.

[update]
The machine MAY BE connected to separate networks and i mean w/ 2 different routers. Security reasons, for example. If such case, demands 2nd gateway?

Zaphod
thanks in advance

#1 lore raw
Quoted 12 lines · Gery

Hi All,

I have Linux machine with 2 ethernet cards in different segments. Like 10.2.1.1 and 192.168.1.1
Do i need 2 default gateways in routing table? Please, give me an example when it may happen.

[update]
The machine MAY BE connected to separate networks and i mean w/ 2 different routers. Security reasons, for example.
If such case, demands 2nd gateway?

Quoted 7 lines

Zaphod
thanks in advance

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If you look for a setup that enable your linux box to have two gateways (e.g. Routing for multiple uplinks/providers) you may find an excelent how-to here:

http://lartc.org/howto/lartc.rpdb.multiple-links.html

HTH

Calin Cosma

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