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I am using couple interfaces on my board. eth2 is my control interface - I want to control board through ssh on this interface. eth1 is my back-2-back interface with another board I have.

My problem occurs after reboot. Defult ip route is first set for eth1, then for eht2. This forces me to ssh through eth1 (back-2-back), as all of replies to my ssh traffic going to eth2, will be ip forwarded and push out of eht1.

How can I configure interface's boot order so that eth2 is first to register default ip route?

2

You need to add the new defaut gatway , Remove the old one then save routing information to a configuration file:

route add default via xx.xx.xx.xx
route del default via yy.yy.yy.yy
ip route add default gw xx.xx.xx.xx
ip route del default gw yy.yy.yy.yy

The new gatway = xx.xx.xx.xx

the old gatway = yy.yy.yy.yy

Save routing information:

nano /etc/network/interfaces

add the following line:

gateway xx.xx.xx.xx

Restart networking:

/etc/init.d/networking restart
  • 1
    thanks, in the end I discovered that I had GATEWAY field in my 'ifcfg-eth1' and that was causing linux to add that defualt rule to routing table. – GoTTimw Oct 5 '16 at 11:27

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