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Anonymous
Not applicable

channel group between NV1234 and CISCO 2960

Requesting suggestions on configuraition for a channel group between netvanta and cisco.

Also suggetions on stp config.

the cisco is blocking vlans on the PO interface.

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1 Reply
jayh
Honored Contributor
Honored Contributor

Re: channel group between NV1234 and CISCO 2960

On the Cisco:

Create a port-channel interface:

interface port-channel 1

switchport mode trunk

no ip address

no shutdown

Then put the physical interfaces in the channel group:

interface gi 0/1

switchport mode trunk

no ip address

channel-group 1 mode on

no shutdown

!

interface gi 0/2

switchport mode trunk

no ip address

channel-group 1 mode on

no shutdown

!

Always do any remaining configuration such as native and allowed VLANs only on the port-channel interface, not on its members.

Note that the IEEE standard method of interconnecting port-channels between vendors is LACP. Adtran doesn't seem to support this, although Cisco does. There is no guarantee of full connectivity between Cisco and Adtran using channel-group 1 mode on which doesn't use the IEEE standard and they may simply not interoperate. Ideally you would use channel-group 1 mode active on both sides for an LACP bundle. I don't think any version of AOS will accept this, perhaps the very latest will. If so, then use channel-group 1 mode active on both sides of the link.

In short, what you're attempting may not be supported due to proprietary differences between the port-channel signaling of Adtran and Cisco. Ideally, LACP should interoperate between vendors but it doesn't look like Adtran supports it (yet).