Re: Routing problems

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On Thu, Feb 18, 2010 at 07:31:56 +0100,
  "j.halifax ." <j.halifax@xxxxxxxxx> wrote:
> 
> >From the LAN default GW (10.255.250.37) 
> - I can ping 172.17.1.50:
> &nbsp;&nbsp;PING 172.17.1.50 (172.17.1.50) 56(84) bytes of data.
> &nbsp;&nbsp;64 bytes from 172.17.1.50: icmp_seq=1 ttl=253 time=5.62 ms
> &nbsp;&nbsp;64 bytes from 172.17.1.50: icmp_seq=2 ttl=253 time=3.29 ms
> 
> >From other boxes in the same LAN (e.g. 10.255.250.38)
> - I cann't ping 172.17.1.50
> - I cann't traceroute 172.17.1.50: It goes to LAN default GW 
> &nbsp;&nbsp;10.255.250.37 and then to its default GW dsl-router on eth0
> &nbsp;&nbsp;instead of eth3 (so that the routing rule for 172.17.0.0 doesn't 
> &nbsp;&nbsp;match for 172.17.1.50)
> 
> Can anybody help pleasee?

Are you sure you have packet forwarding enabled?
What does 'sysctl -a | grep forward' say?
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