Nexus 7K VPC with WLC 5508

Unanswered Question
Jan 4th, 2012

Does anybody know if VPC is supported with WLC 5508? 

I am running 5.1.(3).

I have this problem too.
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Jerry Ye Wed, 01/04/2012 - 20:30

WLC doesn't support vPC. You can configure regular LACP PO which uplink to both Nexus (N7K's PO will be configured as vPC).

Regards,

jerry

latintrpt Wed, 01/04/2012 - 20:36

would mode "on" also work on the PO from the Nexus to the WLC?

Sent from Cisco Technical Support iPhone App

Jerry Ye Wed, 01/04/2012 - 20:40

Recommended setting is LACP. On will work if LACP is not an option, but misconfigured PO can cause traffic blackhole.

HTH,

jerry

khoa.pham@ottaw... Fri, 04/27/2012 - 08:51

I'm very confused by jeye comments.

I know for a fact that WLC 5508 does not support " channel-group 1 mode active"


Bottom line, can you connect a WLC 5508 to a pair of Nexus 7000 using vPC ?

If yes, can I use the following command to setup vPC on each Nexus ?

interface Ethernet1/1

  switchport

  switchport mode trunk

  switchport trunk native vlan 100

channel-group 1 mode on

  no shutdown

interface port-channel1

  switchport

  switchport mode trunk

switchport trunk native vlan 100

  vpc 1

Thank you

Jerry Ye Fri, 04/27/2012 - 09:09

That is fine on the Nexus side.

What I am saying is, WLC will not have the "vpc" command option. All you can do is regular port-channel.

HTH,

jerry

Arun.inba Fri, 02/15/2013 - 05:07

hi,

its absolutely possibe.

1. ensure you  enabled LAG on WLC

2. Assign 0 as vlan id on management interface (untagged), assuming u only hav management interaface.

if u have other AP manager interface then configure vlan id as 0 for those int also.

3.in both nexus,configure portchannel with vPC, assign it on physical interface(same as wht u hav mentioned above)

it should work if you follow the above procedure.

because i am having 2 no of 5508 and 2 no of nexus 7010, the above setup works fine.

Regards

Arun

+919900097880

aflanders6276 Sun, 03/02/2014 - 08:01

But how do you enable port-channeling on the actual 5508?

Does it automatically bundle all uplink ports?

I know with the 7ks all configs have to match or else it won't bring up the port-channel.

aflanders6276 Mon, 03/03/2014 - 05:07

Yeah I understand how to do that part and have it enabled already. I just thought there would be more to it on the 5508 since its an appliance. Even though its not a switch IOS persay I was thinking it would still port-channel the same as a switch.

Thanks

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Posted January 4, 2012 at 7:17 PM
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