From: Edwards, Andrew M (andrew.m.edwards@boeing.com)
Date: Wed Sep 21 2005 - 21:05:36 GMT-3
I have a question for GS on this option:
For frame fragmentation to prevent egress blocking we have to enable
fragmentation across all frame links in the cloud that can be affected.
I would like to extend this idea into a hub/spoke partial mesh with the
hub having a second sub interface to another router.
For simplicity sake the hub router is a full T1 and its two spokes are
running at 384 each. The sub interfacace and remote router are at 768.
Easy math... 8)
What I need to understand is how to account for the various rates for
each PVC and how fragmentation needs to be adjusted on a per DLCI basis
to support LLQ.
If this is beyond the scope of R&S lab someone call foul for me and I'll
gladly forget I mentioned it. However, if not, what I'm wondering is if
each PVC requires a fragmentation size that is specific to its local
traffic, or if the fragmentation size should be the same across all the
interfaces....?
I'm thinking its locally significant based upon the priority BW for a
given dlci.
Anyone else have a clue?
Andy
PS. When I first joined this list 2 years ago I thought people who
asked this type of question were just too tweaked! 8) Now I know
better.
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