05-13-2008 10:23 PM - edited 03-05-2019 10:57 PM
Hello
My 3550 lists its Gi0/1 interface as "unknown", but duplex and speed ont the trunk link is negotiated fine to 1000 - in the other end of the fibre there is a 1000BaseSX SFP.
Should i take any action, as it seems to work fine? (But why does it list the GBIC as unknown? What exact type og GBIC should i use for this connection, and what should the diameter of the fiber patch calbe be? 50 or 62.5?)
Best rgds
/Jan
05-14-2008 05:11 AM
Is it a Cisco branded GBIC?
05-14-2008 05:28 AM
It turned out that it was not a Cisco GBIC, but some 3rd. party product.
This explains the unknown message.
Thanx for reply!
/T
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