Re: Routing & IPChains problem.

From: semat (semat@wawa.eahd.or.ug)
Date: Thu Apr 26 2001 - 06:28:31 EST


Have you turned on ip forwarding i.e echo 1> /proc/sys/net/ipv4/ip_forward

On Wed, 25 Apr 2001, Andrew B. Cramer wrote:

> Greetings All,
> After upgrading from kernel 2.0.38 w/ slackware-3.4 to
> kernel 2.2.16 w/ slackware-7.1 I have developed the following
> routing problems.
>
> Hardware -
> eth0 - 10meg on net 192.168.0.0 i/f 192.168.0.1 subnet
> 255.255.255.128
> eth1 - 100meg on net 192.168.0.128 i/f 192.168.0.130 subnet
> 255.255.255.128
>
> >From either network I can use ipchains and surf/telnet/ftp/... on
> each network to the ppp0 dialup connection. I cannot ping or
> anything from eth0 to eth1 or back.
>
> ---------Route with ppp0 up----------------
> Destination Gateway Genmask Flags Metric Ref
> Use Iface
> 205.243.155.100 0.0.0.0 255.255.255.255 UH 0 0 0
> ppp0
> 192.168.0.0 0.0.0.0 255.255.255.128 U 0 0 0
> eth1
> 192.168.0.128 0.0.0.0 255.255.255.128 U 0 0 0
> eth0
> 192.168.0.0 192.168.0.1 255.255.255.0 UG 0 0 0
> eth1
> 127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
> 0.0.0.0 205.243.155.100 0.0.0.0 UG 0 0 0
> ppp0
> 0.0.0.0 192.168.0.1 0.0.0.0 UG 0 0 0 eth1
> 0.0.0.0 192.168.0.130 0.0.0.0 UG 0 0 0 eth0
> -------------------End of Route Table------------------
>
> TIA - if other files are needed, I can forward.
>
> Best - Andy
>
> Andrew B. Cramer - <andrew.cramer@cramer-ts.com>
> Cramer Technical Services - <www.cramer-ts.com>
> Linux Resource Exchange - <www.linuxrx.com>
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