ICMP redirect

[Dan Nelson]

In the last episode (Jul 09), Bob Hall said:
> This isn't critical, but I'm wondering if someone can tell me what is
> going on here.
> 
> I did
> 	traceroute 217.20.241.75
> and got several of the following on ttyv0, which displays kernel and 
> other messages:
> 	icmp redirect from 213.232.120.198: 217.20.241.75 => 213.232.120.194
> 
> I'm guessing that the router at 213.232.120.198 is redirecting ICMP
> packets, but why is this information showing up on the tty that
> handles internal messages?

You probably have the net.inet.icmp.log_redirect sysctl set to 1.  It
defaults to 0.

-- 
	Dan Nelson
	dnelson at allantgroup.com