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тАО06-21-2004 02:06 AM
тАО06-21-2004 02:06 AM
Hi there,
I've included a Visio file for the illustration of my question. There are a few important details that I should clear ouyt before we begin:
1) All of this QoS is because of implementation of VoIP.
2) We will be using softphones (software on the computers) as telephones, so it will not be possible to create a seperate VoiceVLAN.
3) The prioritasion of traffic will be done by port numbers.
4) Once you make a call, you query the telephone system only once, and then make a peer-to-peer connection directly to the phone you're dialing.
In the setup that's attached, what will be the most beneficial way to use Qos?
As I see it, I can choose between DSCP and 802.1p, but which one would be better?
I look forward to your answer. Thanks in advance.
Rasmus
I've included a Visio file for the illustration of my question. There are a few important details that I should clear ouyt before we begin:
1) All of this QoS is because of implementation of VoIP.
2) We will be using softphones (software on the computers) as telephones, so it will not be possible to create a seperate VoiceVLAN.
3) The prioritasion of traffic will be done by port numbers.
4) Once you make a call, you query the telephone system only once, and then make a peer-to-peer connection directly to the phone you're dialing.
In the setup that's attached, what will be the most beneficial way to use Qos?
As I see it, I can choose between DSCP and 802.1p, but which one would be better?
I look forward to your answer. Thanks in advance.
Rasmus
Solved! Go to Solution.
3 REPLIES 3
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тАО06-24-2004 09:28 AM
тАО06-24-2004 09:28 AM
Re: QoS on ProCurve 5372XL
Rasmus,
It looks like you're going to be needing 802.1p if prioritization is based on port number. DSCP/diffserv would mean that the layer 4 & higher protocol adds TOS info to the packets. Does your VoIP use some H.23x protocol?
It looks like you're going to be needing 802.1p if prioritization is based on port number. DSCP/diffserv would mean that the layer 4 & higher protocol adds TOS info to the packets. Does your VoIP use some H.23x protocol?
If a problem can be fixed, there's nothing to worry. If a problem can't be fixed, worrying ain't gonna help. Bottom line: don't worry.
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тАО06-24-2004 06:17 PM
тАО06-24-2004 06:17 PM
Re: QoS on ProCurve 5372XL
First of all, thanks for your answer!
I just found out that the softphone program uses DiffServ and sets the bits before leaving the pc.
That means I will be running DiffServ ToS instead.
So, shouldn't it be enough to enable DiffServ and configure the used bit pattern to priority 7? Will this work across the tagged link between the switches?
Thanks in advance,
Rasmus
I just found out that the softphone program uses DiffServ and sets the bits before leaving the pc.
That means I will be running DiffServ ToS instead.
So, shouldn't it be enough to enable DiffServ and configure the used bit pattern to priority 7? Will this work across the tagged link between the switches?
Thanks in advance,
Rasmus
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тАО06-25-2004 04:50 PM
тАО06-25-2004 04:50 PM
Solution
Ramus,
Yes, it would be enough to enable diffserv and set that to priority 7. Yes, it will work across tagged links. It's independent of VLAN tagging.
Regards,
Stuart
Yes, it would be enough to enable diffserv and set that to priority 7. Yes, it will work across tagged links. It's independent of VLAN tagging.
Regards,
Stuart
If a problem can be fixed, there's nothing to worry. If a problem can't be fixed, worrying ain't gonna help. Bottom line: don't worry.
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