[c-nsp] ATM packet loss

James Berwick jim at jamesberwick.com
Wed Sep 2 15:59:06 EDT 2009


Nope:
er02.penn-nj#show run | i mls
er02.penn-nj#
er02.penn-nj#show mls rp interface atm 1/1/0
mls not configured on ATM1/1/0
er02.penn-nj#show mls rp interface atm 1/1/0.36
mls not configured on ATM1/1/0.36
er02.penn-nj#show mls rp ip
ip multilayer switching is globally disabled


Randy McAnally wrote:
> Do you have QOS enabled (mls qos)?
>
> --
> Randy
>
> ---------- Original Message -----------
> From: Mikael Abrahamsson <swmike at swm.pp.se>
> To: James Berwick <jim at jamesberwick.com>
> Cc: cisco-nsp at puck.nether.net
> Sent: Wed, 2 Sep 2009 21:01:15 +0200 (CEST)
> Subject: Re: [c-nsp] ATM packet loss
>
>   
>> On Wed, 2 Sep 2009, James Berwick wrote:
>>
>>     
>>> works fine.  Pinging a customer on our OC3 with any packet larger than 576 
>>> bytes intermittently fails.
>>>
>>> This is the ATM OC3 config:
>>> interface ATM1/1/0
>>> mac-address 0000.0c71.1148
>>> bandwidth 155000
>>> no ip address
>>> load-interval 30
>>> atm ilmi-keepalive
>>> end
>>>       
>> First thing I'd try here would be to configure some ubr value on the 
>> OC3, set it to 120 megabit/s or something like that. If that helps,
>>  increase until you get close to wirespeed and see if the problem 
>> creeps up the higher the UBR. The behaviour you're seeing is alike 
>> to what I've seen when there is a cell policer dropping cells somewhere.
>>
>> -- 
>> Mikael Abrahamsson    email: swmike at swm.pp.se
>> _______________________________________________
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>> https://puck.nether.net/mailman/listinfo/cisco-nsp
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>>     
> ------- End of Original Message -------
>
>
>   



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