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Author Topic: Avaya 4850 Stack to HP GBe2C Switch  (Read 2455 times)

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Offline smitty13642

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Avaya 4850 Stack to HP GBe2C Switch
« on: March 28, 2014, 03:40:08 PM »
We wanted to aggregate 4 gigabit ethernet links to our HP C3000/GBe2C blade chassis.  LACP was not enabled on either switch.  The only configuration done was to create MLTs on the Avaya stack.  I'm getting log entries on the HP about seeing it's own IP address so I suspect a loop of some sort.  Here are the MLT lines.

mlt 2 name "BS1Trunk" enable member 3/6-9
mlt 3 name "BS2Trunk" enable member 3/11-14
mlt 4 name "BS3Trunk" enable member 3/16-19
mlt 5 name "BS4Trunk" enable member 3/21-24

I assume that I should create LACP connections between the two.  Should I start at port 20 on the HP and go to 23?  Does it matter what Admin key I use?

Offline Flintstone

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Re: Avaya 4850 Stack to HP GBe2C Switch
« Reply #1 on: March 29, 2014, 01:33:34 PM »
Hi smitty13642,

You should be able to setup 'trunks' on the HP blade chassis, which is similar and compatible to MLT?


Offline Dominik

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Re: Avaya 4850 Stack to HP GBe2C Switch
« Reply #2 on: March 31, 2014, 05:07:20 AM »
Hi smitty and welcome to the forum,

as far as I know HP supports only LACP as a trunking mechanism on their C3000 Blade Chassis.
So LACP is the only option that you have.

For tha LACP Admin Key you have to make sure that the key is only configured for the ports that you like trunk together.

Read this blog post for more informations:

Good Luck
Itīs always the networks fault!