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

[Jeff Chan]

On Friday, May 20, 2005, 5:35:07 PM, Jeff Chan wrote:
> 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. 

But NP-1HSSI for a 4500/4700 look cheap....  And it would be an
upgrade path to the eventual DS3 we'll probably run...

Jeff C.
-- 
Jeff Chan
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