Nexus 5000 interfaces

Answered Question
Apr 27th, 2012

  First time trying to configure these .  Trying to get the peer links to work and have them in interfaces E1/1-4 .  When i do a show int status it looks like this and says sfp invalid. I see this on both sides . Anyone ever see this ?   These same model gbics work fine attached to a FEX on these boxes. Thanks for any help .  A firstimer on the Nexus gear.

Eth1/1        vpc peer link to T sfpInvali trunk     full    10G     Fabric Exte

Eth1/2        vpc peer link to T sfpInvali trunk     full    10G     Fabric Exte

Eth1/3        vpc peer link to T sfpInvali trunk     full    10G     Fabric Exte

Eth1/4        vpc peer link to T sfpInvali trunk     full    10G     Fabric Exte

Gbic in ports are this.

Ethernet1/1-4

    transceiver is present

    type is Fabric Extender Transceiver

    name is CISCO-FINISAR

    part number is FTLX8570D3BCL-C1

    revision is A

    serial number is FNS16062QU8

    nominal bitrate is 10300 MBit/sec

    Link length supported for 50/125um OM3 fiber is 100 m

    Link length supported for 62.5/125um fiber is 10 m

    cisco id is --

    cisco extended id number is 4

I have this problem too.
0 votes
Correct Answer by Pawan Sharma about 2 years 12 months ago

Hi,

Have you configured the port as switchport mode fex-fabric? The FET-10G only works for this mode.

Regards,

Pawan Sharma

http://www.ebrahma.com

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Overall Rating: 5 (1 ratings)
glen.grant Fri, 04/27/2012 - 10:19

    Do the peer links have special cables ?   Is it possible the fex's use this specific gbic and cannot be used as a peerlink connection ?

Correct Answer
Pawan Sharma Fri, 04/27/2012 - 10:30

Hi,

Have you configured the port as switchport mode fex-fabric? The FET-10G only works for this mode.

Regards,

Pawan Sharma

http://www.ebrahma.com

glen.grant Fri, 04/27/2012 - 10:43

    Yeah it appears these are for  fex connections only.  Just found out we have special twinax cables coming for the peer link connections.  Thanks for the info. 

Pawan Sharma Fri, 04/27/2012 - 11:55

Any Time Dear... HTH

Devavrat Oka Wed, 05/23/2012 - 11:33

Apart from switchport mode fex-fabric, make sure you enable feature fex.

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Posted April 27, 2012 at 9:59 AM
Updated April 27, 2012 at 10:45 AM
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