nanog mailing list archives

Re: T1 bonding


From: Elijah Savage <esavage () digitalrage org>
Date: Tue, 24 Jan 2006 19:27:30 -0500


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Matt Bazan wrote:
Can someone shed some technical light on the details of how two T1's are
bonded (typically).  We've got two sets of T's at two different location
with vendor 'X' (name starts w/ an 'A') and it appears that we're really
only getting about 1 full T's worth of bandwidth and maybe 20% of the
second.

Seems like they're bonded perhaps using destination IP?  It's a vendor
managed solution and I need to get some answers faster than they're
coming in.  Thanks.

  Matt 

More than likely they are not bonded t1's they are just load balanced by
the router which by default on Cisco is per session. Meaning pc1 to
t1#1, pc2to t1#2, pc3 to t1#1. If they are truly bonded with some sort
of MUX for a 3 meg port then you would not see the results you are seeing.

- --
http://www.digitalrage.org/
The Information Technology News Center
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