[c-nsp] CHDS3/CDOC3

[Tim Jackson]

We were using 7609 w/ SIP-200 and SPA-4XCT3/DS0 cards for terminating large
ammounts of ChDS3 that were all for VoIP T1s...

1344 Serial network interfaces
48 Channelized T3 ports

Turin has the former VLX300/400 products of Seranoa/Whiterock:

http://www.turinnetworks.com/html/traverse_packetedge.htm

We've used those w/ good success too... The VLX400 makes a great 1/0 DACS...
12 DS3->Dot1Q protected in 2U for probably less than the cost of a single
SIP-200 loaded w/ SPA-4XCT3/DS0 cards.. When it was Whiterock I had heard
rumors about them integrating a Layer3 switch into the device instead of the
Layer2 that's currently in there, but that was only a rumor...

--
Tim

On 5/2/07, Pete Templin <petelists at templin.org> wrote:
>
> Peder @ NetworkOblivion wrote:
> > What are most people using for T1 termination via channelized DS3/OC3
> > going forward?  We are still using some 7500's with CHDS3 cards and I am
> > about ready to dump them for something newer.  My big requirement is QoS
> > as we are passing VoIP over these circuits, but that is about my only
> > requirement (of course cost is always an issue too).  I know there are a
> > ton of options, 7200's with PA's, 12000's, 6500's with SPA's, etc, but I
> > don't really know what would be the best bet going forward and I am
> > wondering what other people are using in production networks.  Thanks.
>
> We have 7507s, and our plan going forward is:
>
> For fractional T1s, 7206s (4xChT3 per box).
> For full T1s, 7206s, until a market has 8xChT3s
> For full T1s, 12000 with the E3 ChOC12, after a market has 8xChT3s
>
> The 7206 platform seems to be an incredibly stable platform because of
> its non-distributed nature.  We wouldn't be running full BGP (or even
> partial) on them.  Yes, we'll be well over the official "bandwidth
> points" of the NPE-225, but we barely push 1% of its rated PPS capacity.
>
> pt
>
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