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Extreme EPS-500 Switch Error

Can anyone tell me that this error means?  I have two Extreme EPS-500 switches in a stack, I lost all network connectivity this morning and had to console in via serial to reboot the stack... this is the only error I could see in the logs....

Thanks

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ShrCol
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Sounds like a stacking issue to me, check or replace the cables if you have spares. What version XOS do they run?
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Hi, thanks for your reply - don't have any spare cables but will investigate!

Version is 12.2.1.1 v1221b1

What do you get from the 'sh stacking' command?
Slot-1 IPI_CORE_HQ.2 # sh stacking
Stack Topology is a Ring
Active Topology is a Ring
Node MAC Address    Slot  Stack State  Role     Flags
------------------  ----  -----------  -------  ---
*00:04:96:35:c1:84  1     Active       Master   CA-
 00:04:96:35:c1:f8  2     Active       Standby  CA-
* - Indicates this node
Flags:  (C) Candidate for this active topology, (A) Active Node
        (O) node may be in Other active topology
That looks fine. If you 'sh port 2:1' does it display details as you would expect?
Yep, nothing out of the ordinary at all.

Just to clarify, as it is a 2 switches stacked - for a continuity point of view if I spread a device, such a server, across both switches, if one goes down it should still be able to survive with the second?

I think the way they have it here is as a "100 port switch" and have not split any devices to take into account resilency.

Thanks
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ShrCol
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Everything is back to normal now - after the swiches were rebooted via a console session. (in future a bit more troubleshooting needs to be done at the time).

I was thinking of bridging the NICs on the server and splitting them across the stack...

I have a nasty taste in my mouth when I can't find a route cause!


Thanks for the help, I'll close the question as all seems to be working fine now.  I've logged a SA with Extreme just to be safe.

K