ICMP redirect message on console

Henrik Morsing henrik at morsing.cc
Sun Feb 20 09:22:17 GMT 2005

On Sat, 19 Feb 2005, Paul Civati wrote:

> Henrik Morsing <henrik at morsing.cc> wrote:
> > It has for a long time been a problem for me that if my ADSL modem
> > disconnects or similar network problem, the serial console gets flooded
> > with "ICMP redirect..." messages.
> What are the exact messages?

icmp redirect from =>

> I'm guessing that when your ADSL goes down the router might have
> a secondary default route that points somewhere else on your local
> LAN.
> Anyhow, you should be able to stop it listening to the ICMP directs
> with a sysctl tunable (net.inet.icmp.drop_redirect looks likely).

Thanks,that sounds good. Will give it a try.

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