From: Pavlo Bykov (slidersv@gmail.com)
Date: Fri Jul 18 2008 - 12:40:52 ART
I think in [23]800 series particles are used even on the ethernet and
they are something like 274 bytes long. But I can't find the diocument
where I got this from.
On 7/18/08, Derick Winkworth <dwinkworth@wi.rr.com> wrote:
> I just found this:
>
> http://www.cisco.com/en/US/tech/tk39/tk824/technologies_tech_note09186a0080094b48.shtml
>
> It looks like it the BD part stands for "buffer description" so its a
> data structure describing a packet in the queue?
>
>
>
>
> Tyson Scott wrote:
>> State-Based Decoder
>>
>> This is my guess based on searches.
>>
>> Here is the only article that I could find that seemed to make sense.
>>
>> http://net.educause.edu/elements/attachments/rfi/rfi_1/XACCT_original.pdf
>>
>>
>> Regards,
>>
>> Tyson Scott - CCIE #13513 R&S and Security
>> Technical Instructor - IPexpert, Inc.
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>>
>> -----Original Message-----
>> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>> Derick Winkworth
>> Sent: Friday, July 18, 2008 8:45 AM
>> To: Cisco NSP; Groupstudy R&S
>> Subject: tx-ring-limit on ISR ATM-AIM module...
>>
>> All:
>>
>> I believe I may need to tune down the tx-ring on a 3845 with ATM-AIM
>> module. I'm looking at this, and it doesn't look like it uses the same
>> system that the 7200 uses (i.e., with particles/576 bytes per particle
>> calculation).
>>
>> from "show controller atm0/ima0" I see the following:
>>
>> ############
>> MXT5100 Channel Info:
>>
>> Channel Info (0):
>> Chan_ID (0x1425), Open Status SUCCESS, VC(1)VPI/VCI(1/777),
>> Tx Ring packets(used/max 0/40), Tx SBD(used/max 0/40)
>> Tx PDU(5941481), Tx PDU discard(0)
>> Tx SDU size err(0), Tx cell CLP0(123777482), Tx cell CLP1(0)
>> Rx PDU(4827762), Rx PDU discard(0), Rx SDU size err(0)
>> Rx CRC err(1), Rx cell CLP0(24771185), Rx cell CLP1(0)
>>
>> #################
>>
>>
>> So it looks like the tx-ring is just 40 "packets" long. I'm assuming
>> this means 40 AAL5 packets? Does anyone know what "SBD" stands for?
>>
>> I tried getting some tech docs on the MXT5100 from Conexant, but you
>> need a support account to access that.
>>
>>
>> Derick
>>
>>
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>
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