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QoS config assistance

Folks

does QoS works even if you have cisco gear (routers and switches) but the VoIP is from a different vendor?

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Accepted Solutions
Hall of Fame Super Silver

Re: QoS config assistance

Ther is "rate this post" link in the bottom right corner on all replies.

Chris

9 REPLIES
Hall of Fame Super Silver

Re: QoS config assistance

Absolutely, QoS is not a Cisco invention but a standard. Cisco follows all latest recommadations in that regard.

HTH, please rate all useful posts!

Chris

Community Member

Re: QoS config assistance

Hi Cris, btw - it is unlikely you will be able to use any of the autoqos features (particularly on the lan) as these are specifically designed for Cisco IPT deployments.

Thanks

Brian

Hall of Fame Super Silver

Re: QoS config assistance

Correct as LAN QoS macros rely on CDP, however who uses Auto QoS :-)

Chris

Community Member

Re: QoS config assistance

thank you for the education

btw how do I rate all the replies ?

Hall of Fame Super Silver

Re: QoS config assistance

Ther is "rate this post" link in the bottom right corner on all replies.

Chris

Bronze

Re: QoS config assistance

why wouldnt you use AUTO QOS? BTW (Refering to purely CISCO IPT deployments)....im feeling a little bad as i use it :) Actually, you have me opening the QOS book i bought about a year now and have only read the first two pages ( i mean the intro) :)

Hall of Fame Super Silver

Re: QoS config assistance

In the past it was never tweaked properly, perhaps newer IOS version have addressed that, the best way is validate is compare the auto config with latest QoS SRND. One thing it does not do is un-trusted model with scavanger class, where you can mark and police susspected scavanger traffic,in order to do that you need to apply policy-map on the interfaces, but there is a limitation with having that command and trust ip-phone command on the same interface.

My recommandation is to create a good template that works and use it for all deployments.

Chris

Re: QoS config assistance

We have many implementations using Cisco Routers and Switches, the PBX is Avaya and as a Service Provider we use Sonus and Nextone and everything interacts perfectly regarding QoS, so don't worry about that part.

Super Bronze

Re: QoS config assistance

"does QoS works even if you have cisco gear (routers and switches) but the VoIP is from a different vendor?"

It does, provided you can recognize the other vendor's VoIP traffic for what it is. It might require more effort to configure.

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