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Community Member

Nexus 5596UP and GLC-SX-MM SFP

Hello,

I'm trying to get my GLC-SX-MM sfp (1gb fiber multi-mode) working in my Nexus 5596UP.

All my other sfp are working fine like the GLC-T (1000BASE-T copper).

With the copper spf, all I have to do is to set the speed manually and it become active.

But my fiber 1gb sfp aren't working even if I set the speed.

Eth1/40       --                 sfpInvali 1         full    1000    1/10g

Ethernet1/40

    transceiver is present

    type is 1000base-SX

    name is CISCO-INTEL

    part number is TXN311100000001

    revision is --

    serial number is ICF094720JD

    nominal bitrate is 2100 MBit/sec

    Link length supported for 50/125um fiber is 550 m

    Link length supported for 62.5/125um fiber is 270 m

    cisco id is --

    cisco extended id number is 4

I tried several sfp in differents ports but it just doesn't work.

Anyone has succesfully used them in nexus ??

Thank you and sorry for my english

2 REPLIES
Community Member

Re: Nexus 5596UP and GLC-SX-MM SFP

I sucessfully actived one of my sfp.

It working with some and not working with other.

The difference ?

Working sfp :

Ethernet1/40

    transceiver is present

    type is 1000base-SX

    name is CISCO-AGILENT

    part number is QFBR-5766LP

    revision is

    serial number is AGS094851VK

    nominal bitrate is 1300 MBit/sec

    Link length supported for 50/125um fiber is 550 m

    Link length supported for 62.5/125um fiber is 270 m

    cisco id is --

    cisco extended id number is 4

None working sfp :

Ethernet1/40

    transceiver is present

    type is 1000base-SX

    name is CISCO-INTEL

    part number is TXN311100000001

    revision is --

    serial number is ICF094720JD

    nominal bitrate is 2100 MBit/sec

    Link length supported for 50/125um fiber is 550 m

    Link length supported for 62.5/125um fiber is 270 m

    cisco id is --

    cisco extended id number is 4

so Cisco-Agilent models works and Cisco-Intel don't....wow

I'm begining to think that the one not working is fake/counterfeit gbic....

Cisco Employee

Nexus 5596UP and GLC-SX-MM SFP

Hi

You an use following configuration guide link:

http://www.cisco.com/en/US/docs/switches/datacenter/nexus5000/sw/layer2/503_n1_1/Cisco_n5k_layer2_config_gd_rel_503_N1_1_chapter3.html#task_A6C551C739324293B020FD7C35F018D0

This example shows how to configure a unified port on a Cisco Nexus
5548UP switch or Cisco Nexus 5596UP switch:

switch# configure terminal

switch(config)# slot 1

switch(config-slot)# port 32 type fc

switch(config-slot)# copy running-config startup-config

switch(config-slot)# reload

Please note: Fibre Channel ports must be configured from the last port
of the module. 
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