[e-nsp] Super strange issue

[Aaron Wendel]

>Sounds very familiar, what's the size of your FDB like? I don't remember
>the exact details, but if it gets full then you'll see spikes like that
>whilst it tries to find some old entries to throw out to make room for
>new ones.

My FDB on both boxes is around 5000 entries.  My ip-subnet-lookup fdb is
about 257000 entries.

>Don't remember it ever occurring regularly every 30 minutes though. I
>guess perhaps there is something else on the network that runs once
>every 30 minutes and causes a lot of new FDB entries to be created?

That's what I'm trying to figure out. :)