Expired authentication keys

We all know that authentication should be implemented between peers when using a routing protocol. Better still, instead of using a single static key a key-chain should be used so that they can be automatically rotated and via automation you can keep removing and adding keys to the chain to keep the endless cycle going.... Continue Reading →

Static route next-hop

Static routes are a much loved and well used configuration staple but this post will highlight a possible misconfiguration step and explore the behaviour. In cisco IOS a static route is defined by: ! ip route <destination_prefix> <destination_mask> <interface> <next-hop> ! While it may be common to omit the the outgoing interface, it is also... Continue Reading →

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