Hello, I am going to install Cisco ISE in our network and I'm curious if there is a way to manipulate usernames? My Active Directory is using usernames in format Axxxxx eg A15109 and I'd like my users to be able to get into switches & routers using ...

Hi guys,I'm a CCNP level engineer and I'd like to learn about NAC. My company tried to send me on a training course but they never had enough students to start one. I was looking for some books but all I've found was back from 2007 which is too old I...

Guys,I am having a 5550 firewall in my network, even though they are no complains about it's performance from users, I can see the CPU utilisation is going steadily higher and higher this year. During a business day it's always somewhere between 30-5...

Hi there,I have a 5550 ASA with 8 physical interfaces splited into many subinterfaces. Most of the time CPU utlilisation is about 30-50%, and throughput is reaching it's limit I think.What would be the best tool to monitor the performance over a week...

Hi there,I am having a strange issue with the stack on standard 3750 switches (not -E). Most of the time the stack seems to be unstable as logs below are saying, up to a point when it restarts itself. I have tried different cables and different code,...