Re: IP forwarding and ICMP redirects

Herbert Rosmanith (herp@wildsau.idv.uni-linz.ac.at)
Fri, 12 Apr 1996 18:30:43 +0200 (MET DST)

> (...)
> #ifdef CONFIG_IP_FORWARD
> /*
> * We are a router. Routers should not respond to ICMP_REDIRECT messages.
> */
> printk(KERN_INFO "icmp: ICMP redirect from %s on %s ignored.\n", in_ntoa(source), dev->name);
> #else

> A, B (def. gw), C being routers, and D being a Linux router and terminal server.
> Assuming thta A,B,C and D don't run a routing protocol, doesn't D need both
> IP_forwarding and ICMP redirects processing for optimal use ?
>

what happens with ICMP redirects that don't originate from your LAN ?
i.e. I'm seeing ICMP redirects from a router in a different country :-0
well, I guess that nothing will happen, since the packets will be routed
through our local router anyway. but's it's funny to see those packets
arrive :)

/herp