[74217] in North American Network Operators' Group
Re: BGP Load Sharing
daemon@ATHENA.MIT.EDU (Matthew Crocker)
Sat Sep 18 02:56:24 2004
In-Reply-To: <414B83F0.1040405@liquidweb.com>
Cc: nanog@merit.edu
From: Matthew Crocker <matthew@crocker.com>
Date: Sat, 18 Sep 2004 02:55:32 -0400
To: Chris Strandt <strandtc@liquidweb.com>
Errors-To: owner-nanog-outgoing@merit.edu
Chris,
Take a look at Cisco OER
http://www.cisco.com/en/US/netsol/ns471/
networking_solutions_package.html or Route Science
http://www.routescience.com/technology/index.html. You could also
continue doing what you are doing, The 12k supports BGP, Netflow, SNMP
and some custom scripts
-Matt
On Sep 17, 2004, at 8:40 PM, Chris Strandt wrote:
>
> I am hoping to learn from the great pool of experience on this list.
>
> We currently have 2 OC3 connections going to 2 seperate providers. We
> are using netflow statistics to balance our traffic flows (which
> outgoing is our major concern). Flow tools, snmp output, some custom
> scripts, and some bgp weighting does the trick.
>
> We are in the process of upgrading to Cisco 12012 GSRs, and adding
> additional connectivity. We need to find something we can use to do
> the same type of thing on the 12012 GSR. The custom scripts work
> fine.. but it appears some line cards don't support netflow.
>
> 1) Is there an open source software that will assist us in load
> sharing?
> 2) Are there specific cards we need for netflow on a 12000 series? Is
> the difference based on Line Card Engine (0,1,2,3,etc)?
> 3) Is there an alternate way to control outgoing traffic flow to
> multiple upstreams using bgp (besides splitting the address range up
> and blindly pointing chunks to each provider)?
>
> Thanks,
> -Chris Strandt
> Liquid Web Inc
>
