I want to draw some attention to a new document I've written titled "Troubleshooting Cisco Network Elements with the USE Method". In it, I explain how I've taken a model for troubleshooting a complex system-the USE Method, by Brendan Gregg-and applied it to Cisco network devices. By applying the USE Method, a network engineer can perform methodical troubleshooting of a network element in order to determine why the NE is not performing/acting/functioning as it should.| packetmischief.ca
In response to my article about what would cause a directly connected route to be overridden, Matt Love (@showflogi) made a good observation: Good stuff - LPM rule can be a useful tool if you want to manipulate paths without mucking with metrics, esp if using multiple protocols — Matt Love (@thatmattlove) July 13, 2017 What Matt is saying is that longest prefix match (LPM) is a mechanism that can be used to steer traffic around the network in order to meet a technical or business need. This...| packetmischief.ca