Re: help on routing

Linux Advanced Routing and Traffic Control

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Kamen TOMOV wrote:
> We have a router with two external and one internal interfaces and it
> doesn't work as we'd like to. We need it to route all the trafic
> through one of the external interfaces and to access a few networks
> through the other.
>
> Currently it seems that all the packets with source address from the
> inernal network are routed correctly. The problem is with the packets
> that originate from the router. For some reason they are routed
> through the default interface. Does anybody know why does that happen?
>
> # ip rule ls
> 0:      from all lookup local
> 200:    from 192.168.1.0/24 to a.b.c.0/24 lookup 202
> 201:    from e.f.g.0/24 lookup 201
> 201:    from 192.168.1.0/24 to 62.44.96.0/19 lookup 201
> 201:    from 127.0.0.0/8 to 62.44.96.0 lookup 201
> 202:    from a.b.c.0/24 lookup 202
> 32766:  from all lookup main
> 32767:  from all lookup default
>
> # ip route ls
> e.f.g.0/24 dev eth3  scope link  metric 1
> a.b.c.0/24 dev eth2  scope link
> 192.168.1.0/24 dev eth0  proto kernel  scope link  src 192.168.1.1
> 127.0.0.0/8 dev lo  scope link
> default via a.b.c.1 dev eth2
>
> ip route ls table 201
> default via e.f.g.1 dev eth3  proto static  src e.f.g.52 realm 201
> prohibit default  proto static  metric 1
>
> ip route ls table 202
> default via a.b.c.1 dev eth2  proto static  src a.b.c.4 realm 202
> prohibit default  proto static  metric 1
>
> Your help is appreciated.
>
>   
A little correction  for my previos post
local packets look in Local table not main
ip r ls table 0

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