Configure "bandwidth" to configure bandwidth for other traffic.

With regards
Kings

On Wed, Dec 22, 2010 at 4:38 PM, Kingsley Charles <
[email protected]> wrote:

> You need to know about QoS before going into the solution.
>
> Any traffic exiting the router gets into the interface's queue which is a
> hardware queue. QoS is done using software queue when there is congestion
> likely to happen in the hardware queue.
>
> The following are the QoS mechanisms:
>
> Congestion Management
> Congestion Avoidance
> Link Efficiency
> Traffic shaping and policing
>
> Classifying traffic and allocating bandwidth is part Congestion Management.
>
>
> CBWFQ is the method we use for allocating BW.
>
> There are three software queues:
>
>
>    - Priority Queue
>    - Normal Queue
>    - Default (FIFO)
>
> Priority queues are meant for delay sensitivity traffic like voice traffic.
> Usually  DSCP value of EF or IP precedence value of 5 at layer 3 and CoS
> value of 5 at layer 2 is used for Priority queue classification.
>
> The Priority queue is given precedence over the normal queue and then the
> default queue.
>
>
>
> With regards
> Kings
>
> On Wed, Dec 22, 2010 at 2:39 PM, yusef sheriff <[email protected]>wrote:
>
>> Dear Kamran,
>>
>> Thanks for your quick responce. But the below question asked to do
>> prioritized and 25% of bandwidth.
>>
>> On R2, http and ssh traffic should both be *prioritized and given 25% of
>> interface bandwidth* on s0/0/0.
>>
>> and which solution is correct? should  we use priority or bandwidth for
>> above question?
>>
>>
>> Regards,
>> Yusef Sherief
>>
>> On Wed, Dec 22, 2010 at 12:50 PM, Kamran Shakil <[email protected]
>> > wrote:
>>
>>>
>>> Dear Yousef,
>>> Priority is mostly used with delay sensitive traffic like video and voice
>>> , while bandwidth is used for data type of traffic for eg:- ssh , telnet ,
>>> http etc.....
>>>
>>> sometypes you can use priority also if you have some transaction based
>>> traffic like SQL queries going live !!!!
>>>
>>>
>>> I think you might get similar answers from others !
>>>
>>>
>>> good day .
>>>
>>> kamran.
>>>
>>>
>>> -----Original Message-----
>>> From: [email protected] on behalf of yusef
>>> sheriff
>>> Sent: Wed 12/22/2010 12:47 PM
>>> To: [email protected]
>>> Subject: [OSL | CCIE_Security] Advance security - MQC
>>>
>>> Dear All,
>>>
>>> I was doing advance security tab. i found the below question:
>>>
>>> On R2, http and ssh traffic should both be prioritized and given 25% of
>>> interface bandwidth on s0/0/0.
>>>
>>> my solution is:-
>>> R2(config)#class-map match-any PRIORITY
>>> R2(config-cmap)#match protocol ssh
>>> R2(config-cmap)#match protocol http
>>>
>>> R2(config)#policy-map OUTGOING
>>> R2(config-pmap)#class PRIORITY
>>> R2(config-pmap-c)#priority percent 25
>>>
>>> WB Solutions
>>>
>>> R2(config)#class-map match-any PRIORITY
>>> R2(config-cmap)#match protocol ssh
>>> R2(config-cmap)#match protocol http
>>>
>>> R2(config)#policy-map OUTGOING
>>> R2(config-pmap)#class PRIORITY
>>> R2(config-pmap-c)#bandwidth percent 25
>>>
>>> R2(config-pmap)#int s0/0/0
>>> R2(config-if)#service-policy out OUTGOING
>>>
>>> can any one clarify on difference between bandwidth and priority? also
>>> like to know which solution is correct.
>>>
>>> Regards,
>>> Yusef
>>>
>>>
>>
>> _______________________________________________
>> For more information regarding industry leading CCIE Lab training, please
>> visit www.ipexpert.com
>>
>>
>
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