Last month in Minding the Network we discussed three common firewall schemes and issues to think about as you determine your firewall needs. This month we’ll talk about some firewall configurations.

With a simulator, there are always missing commands and programming errors, and it can never really be as complete as the real IOS. However, because an emulator runs the IOS, you get every feature ...

Use the Cisco IOS archive command to archive your router’s configuration Your email has been sent David Davis introduces the Archive command in Cisco, which you can configure to log all commands on ...

Previous articles (Part one, Part two) in this series on implementing VPN gateways using Cisco routers discussed the IPsec protocol and basic IPsec VPN connection models. Now we'll learn how to ...

Describe the various call types in a VoIP network. Configure analog voice interfaces as new devices are introduced into the voice path. Configure dial peers so you can add call routing intelligence to ...