Now when i even see the access-list 101 , i dont see any match for the UDP packets while talking , i fail to undertand that because when i do debug ip packet detail , i see the udp ports been used while talking between the voip box .
First check your VOIP boxes, which port range they are using. Then you can use an access list to match them, as follows....
access-list 101 permit udp any any range xxxxx yyyyy
where xxxxx is starting range yyyyy is ending range. This should match all packets sourced from one end (OAHO side) to the other side, which are voice traffic.
Since your policy maps defines only how much bandwidth is reserved for your voice traffic ( you have said priority "40" - which means use strict priority queueing for voice traffic ). Now the remaining traffic (data) doesnt match the access list and doesnt get restricted. So you should restrict the non voice traffic too.
for this try redefining your policy map and class map as follows.
In the first case, all those traffic which are not voice, will go through WFQ.
In the second case, you are restricting data bandwidth to be not more than 16 kbps. For this you will have to define a class map by the name data. In that use an access-list to match data traffic. Either should work.
Now my objective is that whenever i am doign a voice conversation , a
guranteed bandwidth is reserved for the voice , say 30 Kbps , actually the
codes used in the voip boxes is G 729 , which utilizes 12 Kbps , which i
have tested by talking between two voip boxes with no other traffic .
Other than the above setup two pc are connected to the network diagram to
generate the ftp data between the two , so that the load can be put on the
serail link .
Once that happens the voice starts breaking & cant hear the other person
Now i am wondering if i am doing the things properly , i.e is theCBWFQ needs
to be done on the serial port of the end routers only or also in the
internediarly routers, do i need to put CBWFQ on the ethernet ports of both
the 1603 routers.
I have not been able to found any doc on CBWFQ which states that the CBWFQ
needs to be done on the intermediary routers too.
The config of the routers are as mentioned in my previous mail.
how do i know that CBWFQ is working , also the bandwidth part is not working as it shd be , inspite of the fact that i have reserved 40 Kbps for the voice which actually utilizes 12 Kbps & rest 12 Kbps .
Pls do let me know incase i am missing here something
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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