Re: Basic QoS config

Sorry....for some reason my brain saw SNMP when you clearly wrote
SMTP. Carry on!

On Wed, Mar 13, 2013 at 3:47 PM, Joe Astorino <joeastorino1982_at_gmail.com> wrote:
> SNMP also uses UDP 161,162 not TCP : )
>
> On Wed, Mar 13, 2013 at 11:07 AM, ftt <femi0802_at_gmail.com> wrote:
>> Hi
>>
>> Without labbing this up, it looks to me like method 1 does two things,
>> restricts snmp traffic to 256k and restricts total bandwidth to 512k.
>> Method 2 restricts snmp traffic to 256k, but doesn't control total traffic
>> (i.e any other types of traffic).
>>
>> Therefore i will say, because your question was about restricting snmp
>> traffic ONLY, both methods meet the requirement as there are no
>> requirements about total traffic not exceeding 512k.
>>
>>
>>
>>
>> On Sun, Mar 10, 2013 at 11:43 AM, Sarad <tosara_at_gmail.com> wrote:
>>
>>> Hi Guys,
>>>
>>> I came up with the bellow doubt in my mind while labing some QoS stuff,
>>> appreciate if you can share your opinion on this
>>> R1 & R2 connected with a 512 Kbps link, We need to gurantee snmp will get
>>> 256Kbps in a congested scenario. Between two methods bellow what do you
>>> think most appropriate method? Issue I see with method 2 is bandwidth
>>> command on the interface will not limit the traffic as a result traffic can
>>> go up to the physical interface rate. So I believe option 1 is more
>>> accurate. Please let me know what your openion on this.
>>>
>>>
>>>
>>> *Methos 1*
>>>
>>> access-list extended SMTP_TO_SERVER
>>> permit tcp any host any eq smtp
>>>
>>>
>>> class-map match-all SMTP_TO_SERVER
>>> match access-group name SMTP_TO_SERVER
>>>
>>> *policy-map CBWFQ
>>> class class-default
>>> shape-average 512000
>>> class SMTP_TO_SERVER
>>> bandwidth 256
>>> *
>>> interface Serial0/0/0
>>> bandwidth 512
>>> service-policy output CBWFQ
>>>
>>>
>>>
>>> interface Serial0/0/0
>>> bandwidth 512
>>> service-policy output CBWFQ
>>>
>>>
>>>
>>> ---------------------------------------------------------------------------------------
>>> *Method 2*
>>>
>>> interface Serial0/0/0
>>> bandwidth 512
>>> service-policy output CBWFQ
>>> ip access-list extended SMTP_TO_SERVER
>>> permit tcp any host any eq smtp
>>>
>>>
>>> class-map match-all SMTP_TO_SERVER
>>> match access-group name SMTP_TO_SERVER
>>>
>>> *policy-map CBWFQ
>>> class SMTP_TO_SERVER
>>> bandwidth 256*
>>>
>>> interface Serial0/0/0
>>> bandwidth 512
>>> service-policy output CBWFQ
>>>
>>> Thanks
>>> Sara
>>>
>>>
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>
>
>
> --
> Regards,
>
> Joe Astorino
> CCIE #24347
> http://astorinonetworks.com
>
> "He not busy being born is busy dying" - Dylan

-- 
Regards,
Joe Astorino
CCIE #24347
http://astorinonetworks.com
"He not busy being born is busy dying" - Dylan
Blogs and organic groups at http://www.ccie.net