Hard to say.  But, I usually start with cabling then the optics.

tv
----- Original Message ----- From: "Keith" <[email protected]>
To: <[email protected]>
Sent: Monday, October 26, 2009 1:02 PM
Subject: [c-nsp] 3560 MM SFP.



Have a MM SFP in gig 0/1 of a 3560.

Seeing lots of input errors on the gig port of the 3560.

Other side of the fiber link is in a 7206vxr. The 7206 side of the fiber
link is fine. No input/output error, no drops etc.

# sh controllers ethernet-controller gig 0/1

<snip>

133609743 Symbol error frames
   89134 Invalid frames, too large
   0 Valid frames, too large
   14929952 Invalid frames, too small
   0 Valid frames, too small

Is this indicitive of a bad SFP?

Thanks.

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