AutoQOS vs AutoQOS voip

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Feb 10th, 2010
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Hi guys!


Does anyone know whats the difference between "auto qos" and "auto qos voip" (both for Layer 3)? As far as im concerned, "auto qos" also handles voice traffice, so im kinda lost here.


Any help really appreciated!


Thanks in advance!

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Jon Marshall Wed, 02/10/2010 - 13:25
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ediortiz wrote:


There isn't any AutoQos command


Rack1SW1(config-if)#auto qos
% Incomplete command.


The command is AutoQoS voip and additional options, all explained on this document


http://www.cisco.com/en/US/docs/switches/lan/catalyst3750e_3560e/software/release/12.2_52_se/command/reference/cli1.html#wp9093827


Looks like it depends on the switch. The 6500 switch supports both commands. 6500 switches always have to be the exception


http://www.cisco.com/en/US/docs/ios/qos/command/reference/qos_a1.html


Jon

omarmontes Wed, 02/10/2010 - 13:32
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let me get this straigth.. its a router command, a Layer 3 one



Router(config-if)#auto qos ?
  voip  Configure AutoQoS for VoIP
 



Router(config-if)#auto qos voip ?
  trust  Trust the DSCP marking
 



Router(config-if)#auto discovery qos ?
  trust  Trust the DSCP marking
 



NOT related to autoqos for LAN switches.

Edison Ortiz Wed, 02/10/2010 - 13:37
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Actually, the 6500 does not support both,


The switch command is 'auto qos voip ...' - all switches behave the same way.


The other command 'auto qos..' is used on policy-maps when MQC is used on routers.


BTW, you love quoting every single reply, huh?

Jon Marshall Wed, 02/10/2010 - 13:45
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ediortiz wrote:


Actually, the 6500 does not support both,


The switch command is 'auto qos voip ...' - all switches behave the same way.


The other command 'auto qos..' is used on policy-maps when MQC is used on routers.


BTW, you love quoting every single reply, huh?


Okay, as always thanks for pointing that out.


Yes i do like quoting every single reply makes it easier to respond when the text is in the window. I do sometimes cut bits out but not often i admit. Is there a problem with this, am i filling up all the disk space on Cisco's servers


Jon

omarmontes Wed, 02/10/2010 - 13:48
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thats really great..


any info on the subject?


thanks

Edison Ortiz Wed, 02/10/2010 - 14:02
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Omar, did you click on the link Jon posted? The commands and their behavior are listed there.

Edison Ortiz Wed, 02/10/2010 - 14:01
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I do sometimes cut bits out but not often i admit. Is there a problem with this, am i filling up all the disk space on Cisco's servers


No, but scrolling thru the original post twice seems counterproductive just to read your reply.

Jon Marshall Wed, 02/10/2010 - 14:07
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ediortiz wrote:


I do sometimes cut bits out but not often i admit. Is there a problem with this, am i filling up all the disk space on Cisco's servers


No, but scrolling thru the original post twice seems counterproductive just to read your reply.


Edison


It may be a while yet but when you get to my age you may find that between clicking on reply and starting to compose your answer you actually forget the exact details of the question. Have a bit of sympathy for the older folks on these forums


Jon

Edison Ortiz Wed, 02/10/2010 - 14:14
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Jon,


You can post your replies whichever way you want. I'm not the Cisco moderator nor I'm policing these forums.

I'm making an observation as to why every reply needs to be quoted on its entirety (simply netiquette).


You can grab the portion from the original reply and paste them as quotes.


There are times, when someone post an entire config and you reply ... I don't even bother reading the thread..


You can make a suggestion to Dan and bring back a similar interface from the old forums where the original post was visible during typing...

Jon Marshall Wed, 02/10/2010 - 14:17
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ediortiz wrote:


Jon,


You can post your replies whichever way you want. I'm not the Cisco moderator nor I'm policing these forums.

I'm making an observation as to why every reply needs to be quoted on its entirety (simply netiquette).


You can grab the portion from the original reply and paste them as quotes.


There are times, when someone post an entire config and you reply ... I don't even bother reading the thread..


You can make a suggestion to Dan and bring back a similar interface from the old forums where the original post was visible during typing...


Edison


Please don't take this seriously, i am just being flippant. Happy to take it on board.


Jon

omarmontes Wed, 02/10/2010 - 14:10
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Yeah I clicked on the link... I know the command and what they do.. thats how i knew they existed and that you tried them on a switch. What Im looking for in here is if someone with a little more background on this two separate features, as of when to use each. One of them needs the use of NBAR and the other one i think it doesnt. One of the features came first.. and I think "auto qos" with "auto discovery qos" is more robuts than "auto qos voip"



thats more or less what I need... not a fight about quoting or a command reference that I can access anytime

omarmontes Wed, 02/10/2010 - 14:13
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I mean.. of course any help is appreciated, but come on guys, give people some credit and stop getting off topic

Jon Marshall Wed, 02/10/2010 - 14:24
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In it's initial release autoqos only provisoned for a VOIP configuration. With the second release autoqos enterprise provisioned 10 of the 11 base classes that Cisco use in their QOS designs and deployments and VOIP is one of these classes.


So autoqos is a superset of autoqos voip, that's all. Autoqos utilises nbar to analyse the traffic on your network so it can work out which applications are running and then allocate to the relevant class. Obviously autoqos voip did not need this as you were simply provisioning for VOIP.


As Edison points out autoqos is only available for routers and not switches.


Jon

Edison Ortiz Wed, 02/10/2010 - 14:20
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Omar,


We addressed your query. I don't see the reason of your complain if we are having a side conversation while addressing your issue.


As I stated, the 'auto qos voip..' is a switch related command. 'auto qos...' is a router related command


The command reference explains this on details.


thats how i knew they existed and that you tried them on a switch


This is where we don't agree. You can't try both on the switch. I posted the output from a switch and I couldn't hit enter until I entered 'auto qos voip.. with options'.

omarmontes Wed, 02/10/2010 - 14:30
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You dont see a reason? Maybe because this is a technical forum as far as im concerned, there must be some place to discuss netiquette or forum features.


"As I stated, the 'auto qos voip..' is a switch related command. 'auto qos...' is a router related command"


Again, both of them are router commands, maybe I'm not explaining myself.. those are 2 separate features:


One of them is Enterprise AutoQOS... enabled on routers by:


auto discovery qos (to start NBAR)

auto qos (to automatically generate policies)


The other features AutoQOS-VOIP, enabled on routers by:


auto qos voip (to automatically generate policies).


I know you cant try them on a switch, because those are NOT switch features, thats why i stated on the first post that this are Layer 3 features, and in another post i explained that both of the commands are entered on a router... but maybe the post got lost in all your off topic discussion

Jon Marshall Wed, 02/10/2010 - 14:35
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I think the confusion came in because you said L3 which obviously includes L3 switches as well.


You are correct that there is a separate place to discuss forum ideas so i can post there if i want. But NetPro is well known for it's friendly approach between correspondents as well as hopefully solving technical issue so i'm not sure that it's such a big problem having a side discussion. It doesn't happen all that often, i promise


I'm hoping  my last but one post has answered some of your questions.


Jon

omarmontes Wed, 02/10/2010 - 14:40
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Agree Jon, and thanks for you insight. And I agree about the friendly enviroment, and thats why I think complaining about your quotes was really unnecesary.


I just felt that my question got lost between that and a quickly response saying that the command I was talking about doesn't exist

Edison Ortiz Wed, 02/10/2010 - 14:37
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thats why i stated on the first post that this are Layer 3 features, and in another post i explained that both of the commands are entered on a router..


And both posts, you never mentioned router - all you said was "Layer 3".


We took it as the switch was a "Layer 3" port or had "Layer 3" functionalities. Perhaps, next time - you can explain the situation a bit better.

omarmontes Wed, 02/10/2010 - 14:46
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"

let me get this straigth.. its a router command, a Layer 3 one



Router(config-if)#auto qos ?
  voip  Configure AutoQoS for VoIP
 



Router(config-if)#auto qos voip ?
  trust  Trust the DSCP marking
 



Router(config-if)#auto discovery qos ?
  trust  Trust the DSCP marking
 



NOT related to autoqos for LAN switches.

"


That wasn't clear enough?


Even if you thought i meant a "layer 3 function" or " a router switch port" its the same... thats exactly what I meant haha, a layer 3 function AND a routed port..


It seems more like you just got on a switch, wrote the commands, got an error and replied " nah.. doesnt exist"


But thats ok... Jon got it right


thanks!!

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