[e-nsp] LoopDetect on x650

[tfauriant at mousquetaires.com]

Hello,

it depends of what you want exactly, if it's to create a loop free and 
safe topology, Rapid STP, ELRP, EAPS, MLAG and so on can be used.

If it's more to react in case of a loop occuring, you can use meters, 
rate-limiting or even the dos-protect functionnalitty. 

Regards,

Tristan Fauriant
Réseau / Pôle Site Distant
STIME- Parc de Treville
tfauriant at mousquetaires.com
Tel. : 0169645346



De :    Marcin Kuczera <marcin at leon.pl>
A :     Extreme List <extreme-nsp at puck.nether.net>
Date :  13/07/2015 00:36
Objet : Re: [e-nsp] LoopDetect on x650
Envoyé par :    "extreme-nsp" <extreme-nsp-bounces at puck.nether.net>



On 2013-07-03 18:43, Alexander Shikoff wrote:
Hi,

On Mon, Jun 24, 2013 at 04:27:18PM +0200, Marcin Kuczera wrote:

hello,

is there any AUTOMATIC method of loop detection and -> port blocking in 
EXOS ?
(at the moment 15.3.1.4)

At the moment I use on external ports limits:
         Broadcast Rate:         500 packets-per-second
         Multicast Rate:         2000 packets-per-second
         Unknown Dest Mac Rate:  2000 packets-per-second

But, maybe there is a possibility tu use some automatic reaction instead 
like disablig ports with rates exceding given values ?


Have you tried ELRP protocol?
>From Concepts Guide:

"The Extreme Loop Recovery Protocol (ELRP) is used to detect network loops 

in a Layer 2 network."

Page 1476 in Concepts Guide for XOS Version 12.6.



No, because this is per VLAN, so must be turned on on every vlan.

Marcin


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