lkml.org 
[lkml]   [2007]   [Sep]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Linux Router

On Sep 22 2007 22:10, ben soo wrote:
>
> i used to add proxy arp's on the router when i had problems like this. Dunno
> if it's the recommended fix, but it worked.

There is certainly no Proxy ARP required here since you do not
do subnet sharing or funny games like that.

> http://en.wikipedia.org/wiki/Proxy_arp
>
> Carlos Narváez wrote:
>> +---------------+ . +----------------+
>> ¦ 192.168.251.1 +---+ 192.168.251.10 ¦ . +----------------+
>> +---------------+ . ¦ 192.168.254.17 +---+ 192.168.254.16 ¦
>> . . . . . . . . . . +----------------+ . +----------------+
>>
>> - A route has been configured on 192.168.251.1 to point all traffic
>> for 192.168.254.0/24 to 192.168.251.10.
>>
>> - A route has been configured on 192.168.254.16 to point all traffic
>> for 192.168.251.0/24 to 192.168.254.17.
>>
>> - The command "iptables -I FORWARD -j ACCEPT" has been executed.

Well, and do the counters increase?

>> Now.. here's what happens. 192.168.251.10 can ping both interfaces on
>> the router. 192.168.254.16 can also ping both interfaces on the
>> router. However, 192.168.251.1 cannot ping 192.168.254.16, and
>> likewise, 192.168.254.16 cannot ping 192.168.251.1.
>>
>> What have I forgotten?

Default GWs (though if you ahve routes, ok..).

On 251.1, use `ip r g 192.168.254.16` and it should
show "192.168.254.16 via 192.168.251.10 dev eth0 ...".

Same on the other side.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-09-23 08:27    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site