[cisco-nas] AS5350 & 12.3(6)

Tassos Chatzithomaoglou achatz at forthnet.gr
Mon Mar 15 02:47:26 EST 2004



Volodymyr Yakovenko wrote:

> Hello!
> 
>  I have got strange problem with 12.3(6) on AS5350 (8E1 + 216 DSP).
> 
>  First of all 'sh modem' do not work:
> 
> kv-mo-as1#sh modem ?
> % Unrecognized command
> kv-mo-as1#sh modem summary
>                    ^
> % Invalid input detected at '^' marker.
> 
>  It also should be noted that 12.3(6)  on AS5300 performs 'sh modem' without any
>  problems.
> 

You should use "show port modem" & "show spe modem" instead ;-)

>  The 5350 box is mostly used for analog/ISDN V.110 data calls termination.
>  Despite mentioned above 'sh modem' problem box works great, however after
>  approx. 50-60 hours of operation it starts performing some of incoming calls
>  badly.  Due to high calls rate it is difficult to debug situation from AS5350
>  side. From terminal programm and dialout modem it looks like just established 
>  call might stall just after CONNECT for approx. 20 seconds without any input
>  from AS5350 side, after that call terminates by AS5350.
> 
>  After approx. 100 hours of operataion percentage of badly processed calls raise
>  to more than 50%. Software reload solves problem for next ~100 hours.
> 
>  It looks like there is no problems with badly processed calls with 12.3(6) on 
>  AS5300.
> 
>  Due to active usage of "AAA Server Groups Based on DNIS" I must stay with
>  12.3 or switch to 12.2T.
> 
>  I have tried to downgrade to 12.3(5)b, but switched back to 12.3(6) due to
>  problems with V.110 calls processing in 12.3(5)b.
> 
>  Can someone recommend particular 12.2T or 12.3 IOS version, which works good
>  in real practice on AS5350? (with working 'sh modem', please :-)
> 

-- 
***************************************
       Chatzithomaoglou Anastasios
Network Design & Development Department
              FORTHnet S.A.
          <achatz at forthnet.gr>
***************************************


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