Cisco IP prefix lists are one of the most precise tools available for controlling routes. They are also easy to...
A throughput test tells you that a path is slow. It does not tell you where the problem is. mtr...
The Cisco maximum-paths command determines how many eligible equal-cost routes a routing protocol may install for the same destination. It...
BFD and BGP Graceful Restart are frequently described as features that should never be enabled together. That warning came from...
The Definitive Guide for Cisco Enterprise Networks (IOS-XE & NX-OS) This guide covers Border Gateway Protocol from first principles through...
Practical, requirements driven standards for designing, configuring, securing, monitoring, and operating modern enterprise Cisco routing and switching environments. Who this...
Cisco BGP normally selects one best path for each prefix. Even when multiple routes have the same local preference, AS-path...
AWS Transit Gateway Connect uses a default BGP keepalive interval of 10 seconds and a hold timer of 30 seconds....
In many routed-network tests, removing the preferred path produces a longer traffic interruption than restoring it. The difference comes from...
The Definitive Guide for Cisco Enterprise Networks (IOS-XE & NX-OS) This guide covers Spanning Tree Protocol from first principles through...