The Sysadmin Wiki

Software for router management[]

Cisco SDM Cisco's SDM program can be run on a PC, or loaded onto a supported router. Uses Java runtime.
WinAgents WinAgents provides multiple tools for editing IOS configuration. Windows-based.

ASA / PIX Firewall[]


  • If you're using a Cisco router for conducting NAT, try deleting the firewall rules to avoid the firewall eating your NAT packets. A good example of a problem is wherein you can access the Internet outward, but can't access systems behind the router from the outside.
  • IOS rules tend to be written "backwards:" example being that a server hosting outbound content is indicated as something going back out on a given port, vs coming in.

Non-official Tutorial Websites[]

External links[]