About KevinHuang8444

KevinHuang8444 · 03-30-2020

If I have two Cat6K/Cat9K chassis, each with only one supervisor (dual-sup altogether), and they form a VSS/Stackwise-Virtual, what happens to the linecards when the active Sup fails?The control plane will failover to the second sup/chassis, but will...

KevinHuang8444 · 04-03-2020

Not questioning what you've seen & tested, but I'm curious to know how the linecards can keep forwarding packets, if they lose the switching fabric (supervisor) in the chassis...at least the CFC linecards.

KevinHuang8444 · 04-03-2020

Thank you, this is exactly the discussion I was hoping to have.In Cat 6K and 9600's, the supervisors are the switching fabrics and all packets have to go through them to be forwarded, because they're based on centralized forwarding architecture. (ver...

KevinHuang8444 · 04-03-2020

To be clear, I never said using VSS as access layer, or single attach devices would be a design recommendation, or best practice. I merely pointed out there are use cases.All I really wanted was to confirm the behavior of linecards when supvervisor f...

KevinHuang8444 · 04-03-2020

Did you actually look at the slides you posted?See slide 90

KevinHuang8444 · 04-03-2020

"VSS never supported POE as it was never designed for access layer."Not true - one of the CiscoLive slides that BB posted above covers single-attached scenarios.

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Dual Sup VSS Stackwise-Virtual failover behavior

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Re: Dual Sup VSS Stackwise-Virtual failover behavior

Re: Dual Sup VSS Stackwise-Virtual failover behavior