In trying to diagnose a weird network problem (see earlier msgs to the
lists), I noticed that I'm sometimes getting redirects in responses to my
pings.  The ones I've seen so far seem beneficial, but if they weren't how
would I know?

How do you see the effect of an accepted ICMP redirect?  The routing table
(as reflected by netstat -eern, netstat -arn, route -n, or ip route) does
not seem to change, but there is very definitely a change to routing.  I
received an ICMP redirect message for a host from my default gateway when
pinging it.  Subsequent pings go through the gateway the redirect sent me
to, as shown by a tcpdump.  The mac address of the next hop is now the new
gateway.

But how do I show that?  How do I see what other redirects may be in effect?
When do these redirects time out (assuming they do)?  What if the gateway
I'm redirected to is dead?

--
Trever Furnish, tgfurnish at herff-jones.com, 317.329.3397 x3519
Unix Administrator, Herff-Jones, Inc.





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