[LARTC] IP Telephony with HTB or IMQ

[LARTC] IP Telephony with HTB or IMQ

[Chijioke Kalu]

Hello all,

Please, does anyone have a setup where HTB or IMQ was used to set aside 
uplink/downlink speed for IP Telephony, in other to have clear voice 
quality?

K

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Re: [LARTC] IP Telephony with HTB or IMQ

[Martin Devera]

Don't expect good quality if use local QoS for incomming
data. To have real non-best effort you need to have QoS
on both sides of link - when transmitting packets.
Then yes - HTB should be able to do it using priorities.
But I doubd you can do it if IMQ is in the way.
devik

On Sat, 5 Jul 2003, Chijioke Kalu wrote:

> Hello all,
>
> Please, does anyone have a setup where HTB or IMQ was used to set aside
> uplink/downlink speed for IP Telephony, in other to have clear voice
> quality?
>
> K
>
> _________________________________________________________________
> Add photos to your messages with MSN 8. Get 2 months FREE*.
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>
>
>

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Re: [LARTC] IP Telephony with HTB or IMQ

[Chijioke Kalu]

Ok by me, am just desperate, after reading the documentation and tried 
differing configs, i was not successful, thus decided to ask experts, I will 
wait till monday

thank you

--------------------------------
Sorry I answer some mails if it is under 30seconds or so.
I have no time to write/test such config but I'm sure someone will
do it at least at Monday.
devik

On Sat, 5 Jul 2003, Chijioke Kalu wrote:

 > Hi Devik,
 >
 > this could be asking too much, ave just finished compiling kernel with 
htb
 > patch, and the htb is functioning, do you mind giving me a sample config 
I
 > can use to achieve this, if it aint too much of a bother.
 >
 > which setup do u prefer:
 >
 > Setup A
 >
 > eth0 - Internet
 > eth1 - 20 LAN computers + 1 IP Telephony
 >
 > Setup B
 >
 > eth0 - Internet
 > eth1 - 20 LAN Computers
 > eth2 - 1 IP Telephony
 >
 > Any choice u make is ok with me, I would just like to see your working
 > sample HTB script.
 >
 > Thanks
 >
 > K
 >
 >
 > Don't expect good quality if use local QoS for incomming
 > data. To have real non-best effort you need to have QoS
 > on both sides of link - when transmitting packets.
 > Then yes - HTB should be able to do it using priorities.
 > But I doubd you can do it if IMQ is in the way.
 > devik
 >
 > On Sat, 5 Jul 2003, Chijioke Kalu wrote:
 >
 >  > Hello all,
 >  >
 >  > Please, does anyone have a setup where HTB or IMQ was used to set 
aside
 >  > uplink/downlink speed for IP Telephony, in other to have clear voice
 >  > quality?
 >  >
 >  > K
 >  >
 >  > _________________________________________________________________
 >  > Add photos to your messages with MSN 8. Get 2 months FREE*.
 >  > http://join.msn.com/?pageþatures/featuredemail
 >  >
 >  > _______________________________________________
 >  > LARTC mailing list / LARTC@mailman.ds9a.nl
 >  > http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/
 >  >
 >  >
 >  >
 >
 > _________________________________________________________________
 > STOP MORE SPAM with the new MSN 8 and get 2 months FREE*
 > http://join.msn.com/?pageþatures/junkmail
 >
 >
 >
 >

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Re: [LARTC] IP Telephony with HTB or IMQ

[Martin Devera]

Yes if you consider transmission over internet. Unfortunately
it is mostly best effort medium and workable VoIP is possible
mainly because of huge BW after user's access line ..
And there is still no compatible Diffserv marking working over
whole Internet.

On Sat, 5 Jul 2003, Gerry Creager N5JXS wrote:

> In fact, it's more complicated than Devik offers.  QoS should be set,
> AND compatible marking taking place on both sides of the link as stated.
>   However, while it's extremely important that both participating
> networks agree on marking and queuing, if the ISPs and carriers are
> congested and do not participate in mark recognition and appropriate
> queuing. it falls back to a best effort, lossy network, regardless of
> what you do at the edges.
>
> gerry
>
> Martin Devera wrote:
> > Don't expect good quality if use local QoS for incomming
> > data. To have real non-best effort you need to have QoS
> > on both sides of link - when transmitting packets.
> > Then yes - HTB should be able to do it using priorities.
> > But I doubd you can do it if IMQ is in the way.
> > devik
> >
> > On Sat, 5 Jul 2003, Chijioke Kalu wrote:
> >
> >
> >>Hello all,
> >>
> >>Please, does anyone have a setup where HTB or IMQ was used to set aside
> >>uplink/downlink speed for IP Telephony, in other to have clear voice
> >>quality?
> >>
> >>K
> >>
> >>_________________________________________________________________
> >>Add photos to your messages with MSN 8. Get 2 months FREE*.
> >>http://join.msn.com/?pageþatures/featuredemail
> >>
> >>_______________________________________________
> >>LARTC mailing list / LARTC@mailman.ds9a.nl
> >>http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/
> >>
> >>
> >>
> >
> >
> > _______________________________________________
> > LARTC mailing list / LARTC@mailman.ds9a.nl
> > http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/
>
> --
> Gerry Creager -- gerry.creager@tamu.edu
> Network Engineering -- AATLT, Texas A&M University
> Cell: 979.229.5301 Office: 979.458.4020 FAX: 979.847.8578
> Page: 979.228.0173
> Office: 903A Eller Bldg, TAMU, College Station, TX 77843
>
>
>
>

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