Campus Switching and Routing

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Occasional Contributor I
Posts: 9
Registered: ‎04-28-2016

Aruba Switch - Broadcast suppression on trunked links

[ Edited ]

Hi everyone,

 

When i'm using the older Procuve firmwares (15.17, ...) i'm able to set a broadcast limit on trunked uplinks. When I upgrade to the latest firmware (16.0, ...), I'm not able to configure this. Is the command changed? How do I setup broadcast-suppression on my uplinks?

 

Kind regards,

Thomas Willems

Aruba Employee
Posts: 26
Registered: ‎02-12-2016

Re: Aruba Switch - Broadcast suppression on trunked links

Hi Thomas, I thought this always has been a command hat is added on interface context level. Maybe it was able to configure at the trunk level and this pushed it to interface level. But indeed at the moment this is not possible. I do know that there has been a change from 15.17 to 15.18 with GMB on trunk level maybe this had some impact. But the command is still there but on interface level. You have option for broadcast output configuration with broadcast-limit or rate-limit bcast in for incoming broadcast control. If you want to configure all interfaces belon to trunk in one command you can use range commands like following:

interface 10-12 broadcast-limit 11

interface 20,23 broadcast-limit 11

 

Hope you find this useful!

 

Regards, Dobias

Occasional Contributor I
Posts: 9
Registered: ‎04-28-2016

Re: Aruba Switch - Broadcast suppression on trunked links

Hi Dobias,

 

I'm running firmware version 16.03.

I'm not able to execute the command you provided. Error message: "Could not perform operation on trunk ports".

 

Kind regards,

Thomas Willems

Aruba Employee
Posts: 26
Registered: ‎02-12-2016

Re: Aruba Switch - Broadcast suppression on trunked links

Hi Thomas,

 

This is correct. You need to execute the command on the member interfaces of the trunk. For e.g. let's say you have Trk1 with consists of interface 10 and 11. Than you can add this command with for e.g. interface 10-11 broadcast-limit command. Hope this helps!

Occasional Contributor I
Posts: 9
Registered: ‎04-28-2016

Re: Aruba Switch - Broadcast suppression on trunked links

Hi,

 

Nope, I get the same error message as above.

 

Kind regards,

Aruba Employee
Posts: 26
Registered: ‎02-12-2016

Re: Aruba Switch - Broadcast suppression on trunked links

What switch do you have?

Occasional Contributor I
Posts: 9
Registered: ‎04-28-2016

Re: Aruba Switch - Broadcast suppression on trunked links

It is on every Aruba switch i'm using.

Aruba Employee
Posts: 26
Registered: ‎02-12-2016

Re: Aruba Switch - Broadcast suppression on trunked links

Can we use one Trunk as an example? Would it be possible to provide me configuration line of one trunk? 

Occasional Contributor I
Posts: 9
Registered: ‎04-28-2016

Re: Aruba Switch - Broadcast suppression on trunked links

Off course,

 

trunk 23-24 trk1 trunk

interface 23

name "SW-Core"

interface 24

name "SW-Core"

Aruba Employee
Posts: 26
Registered: ‎02-12-2016

Re: Aruba Switch - Broadcast suppression on trunked links

Super!

 

Can you now maybe try the following?

 

interface 23-24 broadcast-limit 11 <#percentage you need>

 

-or- at least try

 

interface 23

  broadcast-limit 11 <#percentage you need>

 

 

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