Ascend Archive
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Re: (ASCEND) shared D-Channels on PRI
At 01:51 PM 10/14/98 -0400, you wrote:
>> Related to this, I had a 3com vendor tell me yesterday that NFAS was a
>> BAD thing, that above 1 PRI's worth of ISDN calls, that performance
>> would drop off, both for call setup and throughput. He also claimed
>> that this was true for all equipment including Ascend MAXs.
>
>BS.
>
>(I wonder if it is Lucent who told you this? - They don't support NFAS)
>
>There is plenty of bandwidth in a 64K channel to handle the call load on
>massive amounts of B channels. I would imagine that even if a large
>number of them were setting up or tearing down calls, it would still be
>enough.
>
>> My first thought was to politely tell him how wrong he was, and then
>> realized that I didn't have enough real world data to form an opinion.
>
>I don't know how big an ISDN conversation is to set up a call, assuming
>it comes with CallerID information and some other goodies, but let's
>say it's about 100 bytes.
Well, is there any way to monitor D channel activity? Like a MIB variable
so I can add it to my MRTG page?
I know the answer, I just felt like asking :( (as I watch my M6s throw
32KBps of accounting requests at radiusd with Accounting=None; yea, whine,
whine, whine)
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