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Catalyst 2960X Flexstack VPC to Nexus 5K's

Hi All,

I have searched this forum and cannot find anything similar to the scenario I am currently presented with.

Is it possible to create a VPC between a pair of Catalyst 2960X (24 & 48 Port) Flexstacked together back to a pair of Nexus 5596UP switches?

I know a single Catalyst 2960X can support this scenario but just wondered whether the flexstacking cable enables each 2960X to have a tengigabit SFP+ back to the Nexus 5K's.

Diagram attached for info.

Thanks in advance.

Regards,

Mark

3 REPLIES
New Member

Catalyst 2960X Flexstack VPC to Nexus 5K's

Update on this scenario provided bay Cisco TAC:-

On the 2960, you can create a cross stacked etherchannel (ie one port of the etherchannel on one switch and the other on the other switch in the 2960x stack)

Link: http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps12995/white_paper_c11-728327.html

On the nexus 5000, once you finish the following:

Enable the vPC feature.

Create a vPC domain and enter vpc-domain mode.

Configure the vPC peer keepalive link.

Create the vPC peer link.

You will have to configure to create a port channel:

1.    switch# configure terminal

2.    switch(config)# interface ethernet chassis/slot/port

3.    switch(config-if)# channel-group channel-number mode {active | passive | on}

On both VPC switches, add the port channel to the vpc:

1.   switch# configure terminal

2.    switch(config)# interface port-channel channel-number

3.    switch(config-if)# vpc number

Nexus 5k links:

http://www.cisco.com/en/US/prod/collateral/switches/ps9441/ps9670/configuration_guide_c07-543563.html

http://www.cisco.com/en/US/docs/switches/datacenter/nexus5000/sw/layer2/Cisco_Nexus_5000_Series_NX-OS__chapter8.html#topic_64BF925367764DFC9D100CF26D805D22

Feel free to contact me if you have any questions or concerns.

Regards,

Darshan Karanth

Hey, I am doing same scenario

Hey, I am doing same scenario with Cisco Nexus 9k. I have IDF racks across the building with two 2960-x in each IDF connecting back to pair of Nexus 9k with single fiber run from 2960-x to one nexus.

 

need your thoughts on this

It is exactly the way your

It is exactly the way your picture shows.

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