Tuesday, August 21, 2018

Troubleshooting - Cisco FEX to Nexus

Hello Guys,

I'm investigating a problem that might occur on a vPC pair of Nexus 5K's, these 5K's have 21 fex's connected to them.

I'm really looking into traffic load, to see if 21 fex's is not putting a lot of stress on these 5K's.

For this i'm missing some details, i am not that familiar with Cisco FEX tech, i really avoided it all together.

What would you guys do at this point? Which commands can be really helpful?

Check out the load on the 5K's going towards the fex, i see that each physical fex fabric interface has a port-channel created, so a po with 1 link. And it's also a vPC which makes me think we are talking about eVPC.

Any handy pointers?



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