I have PIX 515E. configure two context. But i can't configure isakmp. I can't understand. When i configure on command mode " isakmp enable vpninside" show invalid input. Pls any one help or suggest me what i do.

I want to see which items are modify.show run command show all running configuration.But i want to see only modify record.

Last day i update 7.2(2) from 7.1(1). Some problem is create (mail is not comming) but outgoing mail is ok.I want to come back previous version.What is procedure to back previous version. I can't backup previous version. Downgrade is command but i ca...

I have PIX 515E. Last day i update from version 7.1(1) to 7.2(2). Update is successfully.I have a mail server on dmz location. Before update mail incomming and outgoing is ok.After update to 7.2(2) problem is that mail not received from outside but s...

I want to understand on pix 515E which port are open on my outside interface. Pls help