02-26-2009 06:01 PM
We have a Verizon MPLS network that we purchased Gold CAR from Verizon.
Verizon says the Gold CAR package is for voice only (ef class)
My questions is regarding implementing QoS for voice, video and data priority classes.
How do I implement the policy?
Does the Gold CAR only allow me to prioritize the voice traffic?
Does it automatically prioritize voice without me applying a policy?
Can I prioritize the other classes only, or does my QoS poliy include everything?
02-26-2009 10:49 PM
HI Wilson, [Pls RATE if HELPS]
Use modular quality of service command-line interface (MQC).
The bandwidth command defines a behavior, which is a minimum bandwidth guarantee.
Use priority command to give priority to a traffic class based on the amount of available bandwidth within a traffic policy. In addition, the priority command implements a maximum bandwidth guarantee.
Refer Verizon SLA/Solution on the GOLD CAR policy before the decision.
Hope I am informative.
Best Regards,
Guru Prasad R
02-26-2009 11:01 PM
Hi Wilson
In addition to guru reply:
Priority commands alwasy use the policing not shaping. It means either the packets will forward or drop. It is always recommended not to use shaping in case of voice traffic.
regards
shivlu jain
02-27-2009 01:50 PM
Thanks for the reply.
According to Verizon they are only prioritizing the ef class.
If I create a QoS policy, that has
Voice Priority
Video Priority
Voice signaling priority
Data Priority
And Verizon is only prioritizing ef, then what is happening to the other classes I have created my QoS policy for?
If they get prioritized per my policy, why do I need the Gold CAR?
If they do not, then I dont need to even create a policy do I?
03-02-2009 02:07 AM
If they are priotizing EF traffic then you need to send the traffic by marking the EF bits else your traffic will be put in the class default and will become the least priotize.
regards
shivlu jain
03-02-2009 05:08 AM
HI,
In addition to Shiv's reply, here is the sample configuration:
class-map match-all EF
match ip dscp ef
policy-map Marking
class EF
interface FastEthernet0/0
desc ****LAN Interface****
service-policy output Marking
Pls RATE if HELPS
Best Regards,
Guru Prasad R
03-02-2009 08:39 AM
Ok,
Say for example, with the above information (Verizon is only prioritizing ef class and I have T1 with 768 Gold CAR), I have this policy:
policy-map QoS
class VOICE
priority 512
set dscp ef
class DATA-Priority
set dscp af31
bandwidth 128
class class-default
set dscp default
fair-queue
random-detect
If Verizon is only prioritizing the ef class, is the rest of my policy doing anything?
What is happening to the data in these classes?
class DATA-Priority
set dscp af31
bandwidth 128
class class-default
set dscp default
fair-queue
random-detect
Are they not getting prioritized at all?
03-03-2009 01:16 AM
HI Wilson,
Please check whether your Service Provider is doing Egress QOS ?
-During the congestion conditions, the bandwidth class implements the min bandwidth guarantee
-Any excess traffic is sent in the link if the link is not congested (or) dropped if the same is congested
Pls RATE if HELPS
Best Regards,
Guru Prasad R
04-10-2017 04:15 AM
Hi Willson,
Who can determine if e.x 2.5 Mbps of Gold CAR is needed on the any one of the site Verizon MPLS circuit ?
if there is any intent to carry VoIP traffic between two sites and the remote sites on Verizon MPLS?
Will this Verizon circuit be carrying VoIP traffic to other Verizon sites?
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