Gerardo,
An ICMP redirect is typically sent when a device sends a packet to a
router and the router has a better route for the intended destination
through another router. You will see this behavior in situations where
a device has its default gateway set to a router on a LAN with multiple
routers and some routers have better routes to some destinations.
You should not see an ICMP redirect from your router if there are not
other routers on the same subnet as your firewall and router. If there
are mutliple routers on the subnet this condition could be normal. If
you do not have multiple routers, this situation may be due to
misconfiguration on your router and should be investigated.
If you determine that this situation is normal but just want to stop
seeing the messages, you can normally disable ICMP redirects on a
router. On a cisco just use the interface command:
'no ip redirect'
HTH,
Kent
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Hello everyone.
How can I stop an icmp redirect , I mean , lately an icmp
redirect
message has been showing up in my logs. How bad is it ? How can I
determine where it is beeing redirected and who is doing it ? Most
importantly how can I stop it ?
The message is as follows:
server kernel: ICMP redirect from xxx.yyy.zzz.ccc which happens to my
router.
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