[c-nsp] Re: [j-nsp] load balancing between multiple BGP links

Oliver Boehmer (oboehmer) oboehmer at cisco.com
Wed Sep 14 12:05:43 EDT 2005


Alok <mailto:alokdube at hotpop.com> wrote on Wednesday, September 14, 2005
5:50 PM:

> Am not saying use it as a metric/make metric func(link_band) like in
> EIGRP, just use instant value when scheduling/flow setup if there are
indeed
> equal cost paths to a destination
> 
> For example, it is typical to see ISPs back up high util link with
> low util links between 2 critial peers, (or atleast I have seen it),
and I see
> no reason why I should simply not be allowed to use them both
> why not use both?
> Multilink is one option, this does not need that encap-mlppp either
> ..right? 

yes, but this would be only applicable to parallel links between the
same pair of routers.

And the other option is BGP link bandwidth, as I (as well as a juniper
guy) have suggested. This will allow to set up unequal-cost loadsharing
based on the ebgp link bandwidth.

	oli



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