Thursday, February 21, 2019

Cisco Nexus config-sync - Yes or No?

Situation is we have pairs of N5Ks with dual-connected N2Ks - i.e. each FEX connects to both switches.

At the moment we are not using the config-sync feature which means that if an interface is configured, we need to make sure we apply the exact same configuration on both switches. Sometimes this hasn't been done and boy that can be confusing for a while.. and this happens as different engineers might be doing this work who are not familiar with the dual-homed Nexus or have forgotten the requirement.

So I'm looking for opinions from people using the config-sync feature as to whether you thinks it's worth it or not? I see some posts from a few years back where it sounded buggy. We are running 6.0.x FWIW



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