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C7400 ios

mpalis
Level 1
Level 1

Hello all

I need a recomendation for Cisco IOS for C7400. Main fuction of the C7400 is do NAT for ADSL users (around 1000 NAT entries). We have 122-4(B8) but we have problems with Access-lists, After some investication with Cisco local representative we change IOS which solves the ACL problems but we are know have problems with HIGH CPU. We try 12-3(10b) and some oldest releases but we did not found a stable version. We try 122-16b which works for a day and then it crashes,,

C7400 have 2 Gigabit nad 1 ATM interface,

Your help will be appreciated

2 Replies 2

b-watkins
Level 1
Level 1

I have a pair of 7401s that have been running 12.3(11)T for a couple of months on production DS3s and I have had no problems at all.

What do you mean by high CPU? Are you using features that prevent PXF acceleration?

Well it seems that PXF is working. CPU goes up to 90%. I did not figure out which proccess is responsible for the HIGH CPU. Changing IOS , helps reducing CPU to 45% with the same users and same throughput, but we are facing some problems with ACLs. We try 123-10b, 123-5d. Trying 122-16b works but after a day router crashes.. I will ask our representative to have from us 12.3(11)T to check it.

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