[c-nsp] RES: IP SLA on redundant backhauls

[Leonardo Gama Souza]

I would recommend PfR.
It's a more comprehensive solution.
Here you can gather further information: http://docwiki.cisco.com/wiki/PfR:Home

 
-----Mensagem original-----
De: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-bounces at puck.nether.net] Em nome de Ziv Leyes
Enviada em: segunda-feira, 13 de junho de 2011 04:23
Para: cisco-nsp at puck.nether.net
Assunto: Re: [c-nsp] IP SLA on redundant backhauls

I've performed a google search for ip sla + eem, and I've found something that may help you

http://fatalerror.info/index.php?o=889&l=3

This article explains how to create an ip sla and a eem script that reacts to the ip sla and changes the default route to another provider.
That's not exactly what you need, but with a bit of tweaking you can change it to suit your needs.

HTH,
Ziv


-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Jeferson Guardia
Sent: Sunday, June 12, 2011 10:56 PM
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] IP SLA on redundant backhauls

Hi,

I have the following scenario

ISP --- link A  ------  CE
      ---- link B   -----

I have a lot of voice traffic on this backhaul.. The problem is that when a
circuit has problems in terms of (errors incrementing) but circuit doesnt go
down at all, ospf is stable but voice is not reliable to be routed thru that
circuit.

I want to deploy a IP SLA application to evaluate jitter/loss every 10
seconds and In case there are CRC errors etc. I want to stop routing traffic
out of that circuit for a while.. What would you recommend in terms of IP
SLA and that redundant backhaul setup I have with OSPF ?

Regards,

J
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