I am trying to configure QoS on the above routers and since they do not have AutoQoS I am doing a map-class frame-relay but the link becomes inaccessible after about 2 minutes. I am using the following configuration syntax below:
ip rtp header-compression iphc-format
int s1/0:1.1 point-to-point
frame-relay class voice
map-class frame-relay voice
frame-relay cir 256000
frame-relay mincir 72000
frame-relay fragment 320
ip rtp priority 16384 16383 72000
With all these it goes off after about 3 minutes and thus the link becomes unaccessible.
Can someone give me syntax for the two routers which will work.
Looking at the configuration, I would suggest two things.
1.The map class has to be associated with a major interface.but in ur config, it is associated with a sub-interface.
So, to modify this , give the no cmd of frame-relay class voice at the subinterface level and apply it to the major intf serial0/0 as
(conf -if)#frame-relay class voice.
2.In your example, i m not able to see frame-relay traffic-rate "average value" , "peak value " cmd. If you are using frame-relay adaptive-shaping becn cmd, then no need for frame-relay traffic-rate cmd.
Try out these 2 options . If the problem still persists, tell us the following info:
For voice on frame relay Cisco recommends that you not allow bursting past your CIR, so your cir and mincir should be the same. If you know your carrier never discards burst packets you may be able to violate this rule. The bc value should also be 1/100 of the CIR to reduce jitter.
Here is a production config for a 128 kb CIR frame circuit with fragmentation and header compression.
class-map match-any voice
match ip dscp ef
match access-group 103
class-map match-all voicecontrol
match ip dscp af31
access-list 103 permit udp any any range 16384 32767
I am now being faced with a situation where when i configure this interface with this working configuration it stops workings so i have to go in and reload the router for it to work again. I am doing this on both remote and head office routers. it is only that the Head Office Router has 8 different links on the same interface.
The other problem is that we are not using Cisco IP Phones, so i have to allow ports for Nortel IP phones and they are as below:
the UDP Ports used by Our Meridian IP Telephony System:
5000 - 5263 - IP Telephony Ports.
4100 and 4001 - Meridian Registration Ports
What do I need to do in order to get the link not to go down with the above configuration and at the same time use the Nortel IP phones well.
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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