RE: CCIE LAB VOICE question, How to reserve bandwidht for voice

From: Larson, Chris (CLarson@usaid.gov)
Date: Thu Nov 14 2002 - 09:48:50 GMT-3


Why would you not use IP RTP priority 20 40 ? Wouldn't that allocate 20k
per sessions with a 40k max for all sessions?

> -----Original Message-----
> From: A.Gesse [SMTP:A.Gesse@race.ru]
> Sent: Thursday, November 14, 2002 6:53 AM
> To: 'ccielab@groupstudy.com'
> Subject: RE: CCIE LAB VOICE question, How to reserve bandwidht for
> voice sessions!!
>
> RSVP may be a choice
>
> Alex
>
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On
> > Behalf Of Angelo De Guzman
> > Sent: Thursday, November 14, 2002 10:32 AM
> > To: Ayman Hamza; deepesh@cisco.com
> > Cc: ccielab@groupstudy.com
> > Subject: RE: CCIE LAB VOICE question, How to reserve
> > bandwidht for voice sessions!!
> >
> >
> > Hi Ayman and all,
> > Do we have a consensus on how are we going to solve
> > this?
> > Thanks,
> > Angelo
> >
> >
> > --- Ayman Hamza <ayhamza@cisco.com> wrote:
> > > Deepesh;
> > >
> > > Thanks for your reply. To end this discussion , I
> > > believe that the correct
> > > answer is :
> > >
> > > Use ip rtp priority queueing to allocate the 40kb/s
> > > pipe. Then use
> > > LLQ to allocate the 20kb/s sessions.
> > >
> > > And ofcourse this solution should be configured on
> > > all the possible
> > > outbound interfaces that leads to alternative
> > > destination voice dialer-peer.
> > >
> > > PLS concure this if it's possible !
> > >
> > > Regards;
> > > Ayman
> > >
> > > > From deepesh@cisco.com Wed Oct 30 19:48:05 2002
> > > > From: "Deepesh Chouhan" <deepesh@cisco.com>
> > > > To: "Ayman Hamza" <ayhamza@cisco.com>,
> > > <ccielab@groupstudy.com>
> > > > Subject: RE: CCIE LAB VOICE question, How to
> > > reserve bandwidht for voice sessions!!
> > > > Date: Wed, 30 Oct 2002 10:45:57 -0800
> > > > MIME-Version: 1.0
> > > > Content-Transfer-Encoding: 7bit
> > > > X-Priority: 3 (Normal)
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> > > > Importance: Normal
> > > >
> > > > >
> > > > > The ""exact"" wording of the question is:
> > > > >
> > > > > > > > > All the voice traffic through frame
> > > relay interface of R6 - R6 is
> > > > > > > > > the hub router - should guarantee a
> > > bandwidth of 40kb/s . Each
> > > > > > > > > voice session
> > > > > > > > > should have 20kb/s .
> > > > >
> > > > > This means :
> > > > >
> > > > > When there is any voice traffic, 40kb/s must be
> > > allocated immediately
> > > > > to the voice traffic on the DLCI it carries the
> > > voice, and each
> > > > > voice session
> > > > > should be allocated 20kb/s once a voice traffic
> > > is there . (Which
> > > > > measn clearly
> > > > > even if there is no congestion on the outbount
> > > frame relay interface .
> > > > >
> > > > > I hope I have clarified the whole question
> > > >
> > > > Thanks for the clarification. I don't know the
> > > answer for this. We are
> > > > talking about creating a 40 K pipe and then
> > > allocating a chunk (20 K) within
> > > > it.
> > > > So some sort of FQ inside a PQ :)
> > > >
> > > > As Aansar suggested, on each router we can put
> > > LLQ, and then use RSVP to
> > > > create 20 K per session. But rsvp is not allowed.
> > > >
> > > > thanks
> > > > deepesh
> > > >
> > > >
> > > >
> > > > >
> > > > > Regards;
> > > > > Ayman
> > > > >
> > > > >
> > > > > > From deepesh@cisco.com Wed Oct 30 00:39:52
> > > 2002
> > > > > > From: "Deepesh Chouhan" <deepesh@cisco.com>
> > > > > > To: "Ayman Hamza" <ayhamza@cisco.com>
> > > > > > Subject: RE: CCIE LAB VOICE question, How to
> > > reserve bandwidht
> > > > > for voice sessions!!
> > > > > > Date: Tue, 29 Oct 2002 15:38:14 -0800
> > > > > > MIME-Version: 1.0
> > > > > > Content-Transfer-Encoding: 7bit
> > > > > > X-Priority: 3 (Normal)
> > > > > > X-MSMail-Priority: Normal
> > > > > > X-Mailer: Microsoft Outlook IMO, Build
> > > 9.0.2416 (9.0.2910.0)
> > > > > > Importance: Normal
> > > > > > X-MimeOLE: Produced By Microsoft MimeOLE
> > > V6.00.2600.0000
> > > > > >
> > > > > > Hi
> > > > > >
> > > > > > Sorry, I didn't get the question earlier
> > > > > > What the question says is to have
> > > > > >
> > > > > > 1.
> > > > > > PQ for all voice traffic = 40 K
> > > > > > AND
> > > > > > Each voice session = 20 K
> > > > > >
> > > > > > OR it means
> > > > > >
> > > > > > 2.
> > > > > > PQ for all voice traffic = 40 K
> > > > > > AND
> > > > > > Each voice session <= 20 K
> > > > > >
> > > > > > Can you verify that ?
> > > > > >
> > > > > > Your solution won't work here
> > > > > > Reason is that bandwidth specified in ip rtp
> > > priority cmd is
> > > > > meant for all
> > > > > > calls.
> > > > > >
> > > > >
> > >
> > http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/12
> > > > > 0newft/120
> > > > > > t/120t7/friprtp.htm
> > > > > > (look for maximum total bandwidth string)
> > > > > >
> > > > > > Also frame-relay voice bandwidth command is
> > > useless, when used
> > > > > with ip rtp
> > > > > > priority as ip rtp command, takes precedence
> > > over any other
> > > > > configuration
> > > > > >
> > > > > > Let me know the specifics of questions ...
> > > > > >
> > > > > > On a side note, if this is in exam, can we ask
> > > proctor to
> > > > > clarify this ? Are
> > > > > > they aware of all questions ?
> > > > > >
> > > > > > thanks
> > > > > > Deepesh
> > > > > >
> > > > > >
> > > > > > > -----Original Message-----
> > > > > > > From: nobody@groupstudy.com
> > > [mailto:nobody@groupstudy.com]On Behalf Of
> > > > > > > Ayman Hamza
> > > > > > > Sent: Tuesday, October 29, 2002 2:01 PM
> > > > > > > To: deepesh@cisco.com
> > > > > > > Cc: ccielab@groupstudy.com
> > > > > > > Subject: RE: CCIE LAB VOICE question, How to
> > > reserve
> > > > > bandwidht for voice
> > > > > > > sessions!!
> > > > > > >
> > > > > > >
> > > > > > > Hi Deepesh;
> > > > > > >
> > > > > > > Thanks for your reply. But I don't see how
> > > you are allocating
> > > > > (reserve)
> > > > > > > 20kb/s for each session!! CBWFQ/LLQ won't
> > > help in this,
> > > > > right? PLS advise!
> > > > > > >
> > > > > > > Ayman
> > > > > > >
> > > > > > > > From nobody@groupstudy.com Tue Oct 29
> > > 03:14:10 2002
> > > > > > > > From: "Deepesh Chouhan"
> > > <deepesh@cisco.com>
> > > > > > > > To: "Ayman Hamza" <ayhamza@cisco.com>,
> > > <ccielab@groupstudy.com>,
> > > > > > > > <ayman_hamza@hotmail.com>
> > > > > > > > Subject: RE: CCIE LAB VOICE question, How
> > > to reserve
> > > > > bandwidht for voice
> > > > > > > > sessions!!
> > > > > > > > Date: Mon, 28 Oct 2002 17:49:05 -0800
> > > > > > > > MIME-Version: 1.0
> > > > > > > > Content-Transfer-Encoding: 7bit
> > > > > > > > X-Mailer: Microsoft Outlook IMO, Build
> > > 9.0.2416 (9.0.2910.0)
> > > > > > > > X-ASK-Info: Confirmed by user
> > > > > > > > Sender: nobody@groupstudy.com
> > > > > > > > Reply-To: "Deepesh Chouhan"
> > > <deepesh@cisco.com>
> > > > > > > >
> > > > > > > > Hi
> > > > > > > >
> > > > > > > > Cisco has fixed the problem. You should be
> > > getting emails
> > > > > on your cisco
> > > > > > > > account now.
> > >
> > === message truncated ===
> >
> >
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