We've been experiencing the same problem this weekend and I found out that you can see when it's going to happen. That affects 2.6.8-1-686 as well and you have to:

cat /proc/slabinfo | grep ip_dst_cache
then the second value will be the current load of the dst routing table.
then you can see what your maximum value is by doing:
cat /proc/sys/net/ipv4/route/max_size

Then you can make the maths and see how much left. I don't think there's a fix yet and if there is, please let me know, I'm gonna make a little program written in perl I believe that will alert me when it's too high and I'll let you guys have it. I'll try to do it tonight.

Good luck
--
David Coallier               T: 800-361-1388 x145

Programmer,
Network administrator        F: 888-329-3367

Densigraphix Kopi Inc.       [EMAIL PROTECTED]


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