yandy

Author Archives: yandy

Troubleshooting OSPFv2 Neighbors (Part2)

This will seem very similar to t he last post, again going on simple. Things that can be overlooked if one is not careful, doesn’t look at everything with a magnifying glass, and becomes over...

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vPC and VSS features and Comparison

Seems like other than IPv6 allot of the talk lately (in the Datacenter anyways) is about MEC, or multi-chassis etherchannel. Using something like this in the aggregation part of the Datacenter not...

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Troubleshooting OSPFv2 Neighbors (Part 1)

Tackling one of the simplest OSPFv2 adjacency problems to the trained eye. Yet, it’s really incredible how often it can escape even the most seasoned veteran. Getting right to the point,...

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IS-IS Single-Topology vs Multi-Topology

Today I’m covering a little topic that seems to trouble some people. Mainly because IS-IS is really only used in provider environments, but I happen to like it. It’s a fairly stable...

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