[c-nsp] t-1 load balancing options to deal with apparent congestion

Jeff Chan cisco-nsp at jeffchan.com
Fri May 20 20:35:07 EDT 2005


On Friday, May 20, 2005, 5:17:22 PM, Jeff Chan wrote:
> On Tuesday, May 17, 2005, 7:00:32 AM, Robert E.Seastrom wrote:
>> Jeff Chan <cisco-nsp at jeffchan.com> writes:

>>> CPU usage, compatibility with some older CX blades, a little too
>>> bleeding edge earlier on.  We may try MLPPP if we can finally
>>> migrate off the CX-FSIP8s in the 7513, or move them to a PA or
>>> 'nother box.

>> Well, since you have no problem with older equipment, there's always a
>> Digital Link 3800 imux + a CX-HIP card on each end.  You should be
>> able to trash-pick the latter; the former may cost you as much as $40
>> or $50 each.

> Multiplexing the four T-1s into HSSI is an interesting idea.
> While it's true that HSSI interfaces on 7xxx are cheap, aren't
> they somewhat expensive and rare on the 3620 (far end) side?

> Does anyone have reliability experiences with something like a
> Digital Link 3800 Inverse Multiplexer?

Looks like DL3800s are ~$30, but NM-1HSSI are $1-2k on ebay.  I
think we may be space limited, otherwise we could go with a small
7xxx chassis. 

Jeff C.
-- 
Jeff Chan
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