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SFP problem with 4507R

We have supV in 4507R and WS-X4448-GB-SFP module in it. We have installed 1000BASE-T SFP in its few slots, in show techsupport output it shows gbic module in the slots but when we connect a machine to these ports it shows not connected, do i need to make any config change to make it up.

1 REPLY
VIP Purple

Re: SFP problem with 4507R

Hello,

what are you connecting to the ports, and how are the (SFP) ports configured ? You might want to turn off autonegotiate on the SFP ports and check if that makes a difference, or try a ´shut´ ´no shut´ on the interface. Which IOS version are you running on the 4507R ?

On a side note, where did you buy the SFPs ? I am just asking because there are a lot of ´fake´ SFPs on the market, which look totally like original Cisco, but aren´t. Make sure your supplier is ´reliable´...

Regards,

GP

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