About BillClark22

BillClark22 · 05-02-2025

Have a stack of 9300s running XE v17.12.03. The system-wide MTU setting is 1500. We have 4 VMware ESXi hosts connected and trying to set jumbo frames for the vMotion links for the hosts. Several interfaces are set with "mtu 9198", while others are...

BillClark22 · 05-02-2025

I cut out the bulk of the other ports that aren't involved in this issue. The interface I've been trying to modify is Gi3/0/42 (the only one set to 4580). vMotion currently works fine between all the hosts. In addition, no vMotion ports are part o...

BillClark22 · 05-02-2025

Yeah, I'm pondering that now with this being such a PITA. I need to verify a few connections to firewalls and other devices before I pull that trigger though. But I am leaning towards this more and more as I keep going down the rabbit-hole trying t...

BillClark22 · 05-02-2025

Attempting to set the mtu value to 9198 for this individual interface gives me the same "% Invalid MTU specified".

BillClark22 · 05-02-2025

I had thought that too, but I have 6 other interface ports that are used for vMotion that currently show an MTU size of 9198. No warnings or anything in vSphere or errors on the switch stack itself. I'm confused as to why 6 out of the 12 are set to...

BillClark22 · 05-02-2025

No, they are not routed ports.

Member Since	‎07-09-2018 09:17 AM
Date Last Visited	‎05-02-2025 08:36 AM
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MTU Issues on 9300 switch stack

Re: MTU Issues on 9300 switch stack

Re: MTU Issues on 9300 switch stack

Re: MTU Issues on 9300 switch stack

Re: MTU Issues on 9300 switch stack

Re: MTU Issues on 9300 switch stack