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Author Topic: Configuration of VSP9000 SMLT LACP link to remote server  (Read 2533 times)

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Offline tfboy

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Configuration of VSP9000 SMLT LACP link to remote server
« on: August 27, 2014, 10:54:35 AM »
Before I embark on changing some remote servers' links to be split over a pair of VSP9000, I wanted to make sure I'm not missing anything.

Essentially, I'm after the same thing as this: http://blog.michaelfmcnamara.com/2009/08/lacp-configuration-examples-part-2/ except that I'm using VSP9000 (sw and the end device is a server.

I know people would say just use SMLT, but unfortunately, our end servers do not support this so we're limited to industry-standard protocols.

I did read up a few Avaya VSP 9000 MLT/SMLT/LACP guides (here and here), but find them difficult to understand as it's more an explanation of the commands, there are no diagrams and configs are mainly incomplete, particularly when it comes to LACP over an SMLT link.

Also, can someone please confirm whether or not you can dynamically add and remove VLANs from an LACP link without having to take it down? I know it was a limitation with ERS switches until very recently (this post). I cannot believe it was an issue as a cheap Cisco swtich allows you to do this, yet an enterprise switch doesn't? Anyway, I digress  ::)

Offline Michael McNamara

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Re: Configuration of VSP9000 SMLT LACP link to remote server
« Reply #1 on: August 29, 2014, 08:19:59 AM »
I believe the VSP 9000 allows the dynamic addition and removal of VLANs from an LACP trunk group. As you mentioned that problem has been resolved in later software releases of most Avaya switches.

As long a your servers support LACP then it's really no different setting up a trunk group, be it to a server or another switch. The only question is if you need multiple VLANs and support for 802.1q tagging on those same ports.

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Offline tfboy

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Re: Configuration of VSP9000 SMLT LACP link to remote server
« Reply #2 on: August 29, 2014, 08:53:17 AM »
Thanks Michael.

We're planning on upgrading our ERS to 6.3.xx in the future to work around the VLAN changes in a LACP trunk.
The more immediate requirement is for setting up LACP link on the VSP cluster using SMLT.

If you have time to post, it would be appreciated. If not, I'll get an answer hopefully from the Avaya experts.