Good point, Pete - 5.0(2) does not support 1G SFP, but the behavior is
tricky. The port will link up, but we cannot pass traffic above 256B.
We did not have the proper message to block 1G configuration, so it was
hard to know this isn't supported.
Garry,
"no negotiate auto" would be a good test, so after the upgrade please
let me know. There are more transceiver outputs we can gather if this
doesn't help.
Regards,
John Gill
cisco
On 9/22/11 7:47 AM, Pete Templin wrote:
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Garry
Sent: Wednesday, September 21, 2011 3:43 PM
To: [email protected]
Subject: [c-nsp] Funny problem w/ SFP link on Nexus 5548
I'm currently at a customer who got a 5548 with 2248 FEX and several
2960S connected to the 5548, everything working fine. Anyway, in order
to migrate from the old switch infrastructure, we tried to interconnect
them to the 5548, which is where my problem started - the link just
won't go up on the NX ...
Silly question I'm sure, but are you running NXOS code that supports 1G
operation? 1G support wasn't in initial code releases, first support
came around April of this year I think.
pt
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