Adding host routes dynamically

Paul Civati paul at
Thu Mar 10 11:52:40 GMT 2005

"Henrik Morsing" <henrik at> wrote:

> I just installed 5.3 on a box that previously had 4.10 on it and have run
> into a problem I didn't have before.
> The box automatically inserts a host route to the default gateway which
> breaks connectivity. I've looked over a lot of sysctl options but nothing
> I do works. If I delete the route it's back in 10 seconds.

This does sound like ICMP redirects inserting the route.

What does 'netstat -rn' say for the flags column?

(See netstat(1) for a full list).


Paul Civati <paul(at)> 0870 321 2855
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