Hi all, I manage pair of 515E (both 128MB) in failover mode. Few day ago I occured some akward situation: in 2-3 hours memory usage rise form standard 63MB to 112MB (w/o traffic rise) and than PIX no1 refuse all outside connection (all inside network work OK). I switch to PIX no2, but situaction here was the same. After few sec. memory usage rise and PIX no2 refuse outside connection too. I switch again to PIX no1 and then restart both PIX. After that all back to normal.
After PIX restart there was a very high network traffic and a lot of open sessions. Then I found that one of employees run eMule on his PC, and when I kill that program traffic back to normal status. I don't know is there is any relationship between this two facts (memory buffer overload -> using P2P programs).
If anyone knows what could make such high memory usage - please answer.
I'll be very grateful for any help or clue what it could be.
PIX ver. 7.2(3)
ASDM ver. 5.2(3)
Network build around firewall:
switch Cisco 2960 <- router 2800 <- 2X PIX 515E <- switch Nortel <- Juniper Networks