The MPLS-OPS Archive

["Khan, Amjad" <akhan@flagtelecom.com>]

Rob,

If you want to take bandwidth into account then you would need Per-Prefix
Load Balancing with CSPF 
 
 Load balancing is proportional to the configured bandwidth per LSP. If an
LSP has a larger 
bandwidth associated with it, that LSP will carry a larger number of
prefixes. If you configure the bandwidth, the prefixes automatically adjust
themselves. 
There are three options, you can configure
http://www.juniper.net/techpubs/software/junos/junos50/swconfig50-mpls-apps/
html/mpls-overview4.html#1014093

There is also the option of using Deaggregation FEC.

I am sure we will get better recommendations from the group.

Regards,
Amjad

-----Original Message-----
From: Palmer, Rob A [mailto:Rob.Palmer@team.telstra.com]
Sent: 26 August 2004 10:20
To: Khan, Amjad
Subject: RE: [MPLS-OPS]: Load sharing across LSPs on Juniper hardware


Amjad,

I mean multiple equal cost tunnels from an ingress router to the same
destination (egress) router. My understanding is that in this situation,
load balancing is proportional to the configured bandwidth for each LSP.
However, I can't determine from the documentation how to turn this on, and
how to define the prefixes that the ingress router uses to identify flows.

Rob

> -----Original Message-----
> From: Khan, Amjad [mailto:akhan@flagtelecom.com]
> Sent: Thursday, 26 August 2004 4:04 PM
> To: Palmer, Rob A
> Subject: RE: [MPLS-OPS]: Load sharing across LSPs on Juniper hardware
> 
> 
> Rob,
> Can you explain more on what you mean by same 
> source-desitnation?  Do you
> mean IP addresses, ports or routers?
> 
> Amjad
> 
> -----Original Message-----
> From: Palmer, Rob A [mailto:Rob.Palmer@team.telstra.com]
> Sent: 26 August 2004 07:03
> To: mpls-ops@mplsrc.com
> Subject: [MPLS-OPS]: Load sharing across LSPs on Juniper hardware
> 
> 
> 
> Does anyone know how to configure a Juniper router to do 
> per-prefix load
> balancing across LSPS between the same source and 
> destination? I have tried
> reading the documentation but it is very un-enlightening. 
> Some example config would be helpful.
> 
> thanks,
> Rob
> 
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