High-availability seems a de-facto requirement of enterprise networks, even more so today as the network managers have to migrate from traditional highly robust technologies to MPLS/VPN- or Internet-b... more
Can you answer these questions when faced with a network-down situation:
Do we have a backup of a working configuration?
What was the router configuration before the last mistake was committed to the ... more
In Cisco IOS release 12.4, Cisco finally gave us fundamental router configuration management tools that we've been sorely missing in the last 20 years. In this month's IP corner Ivan Pepelnjak describ... more
Multi-protocol Label Switching (MPLS) is usually regarded as a Service Provider technology, but in this month's article, Ivan Pepelnjak shows you how you can deploy MPLS Traffic Engineering (MPLS-TE) ... more
Starting with IOS release 12.3(2)T, you can download and upload software and configuration of your Cisco router to a web server, greatly simplifying router management and enabling the network managers... more