nanog mailing list archives

Re: 3 Mb question


From: "Stephen J. Wilcox" <steve () telecomplete co uk>
Date: Wed, 13 Oct 2004 23:03:30 +0100 (BST)


multilinking t1s will work fine. 

but depending on your customer, there are lots of things between a T1 and DS3.. 
such as 10Mb ethernet

Steve

On Wed, 13 Oct 2004, Gerald wrote:


I've got what seems to me like an innocuous question for this list...

Someone is requesting access to about 3 mb of traffic up/dn. I figure 2
T1s will give them the 3 Mb I need, but I'm looking for suggestions on
either efficiently combining those 2 to get the most bandwidth for their
buck or else I have to look at getting them a ds3 and scaling back to
what they need.

Is there an good low end suggestion for making effective use of 2 T1s to
give 3 Mb of bandwidth? In practice, I've seen 2 T1s load balanced with
CEF not do very well at giving a full 3 Mb. (This was without turning on
per-packet CEF)

I'm not personally experienced with MLPPP or mux hardware if that helps,
but I could get it set up if that's the consensus as the best option.
The NRC of something that would effectively couple the 2 T1s would
easily beat the MRC of a DS3 which I think might be overkill for just 3
Mb.

Thanks for suggestions and tips.

Gerald



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