[c-nsp] tx-ring-limit on ISR ATM-AIM module...

[Derick Winkworth]

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 at groupstudy.com [mailto:nobody at 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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