Two sites are connected with eachother at 2Mb banwidth. At both the sites I have 3640 routers. I need to send video files from one location to another location. My major traffic is video files. I want to implement QoS so that my video traffic can get maximum bandwidth/priority over others. How I will configure QoS for this purpose. kindly help me indetail I never implemented it earlier. Also tell me the which configuration commands will be used.
As I am not sure about the type of link that you have between those 3640's, I will not be able to give the exact command that you need to configure. However, for your setup you need to configure Low Latency queuing ( LLQ). If you go to www.cisco.com and type LLQ configuration in the search window you will get plenty of examples.
This is one I did a couple of weeks ago (below)- only acl 100 was getting hit. It did do the trick and the picture was clear. the priority value is actually the bandwidth in Kilobits. You will need to be able to set the precedence on the video traffic to critical - this was done on the viewstations that were sending out the video packets in this case..
class-map match-all video-control
match access-group 101
class-map match-all video
match access-group 100
priority 800 553058304
ip address 172.22.254.2 255.255.255.0
ip tcp header-compression iphc-format
no ip mroute-cache
service-policy output QoS-Policy
ppp multilink fragment-delay 10
ppp multilink interleave
ip rtp header-compression iphc-format
no ip address
no ip mroute-cache
serial restart_delay 0
access-list 100 permit ip any any precedence critical
access-list 101 permit ip any any precedence flash
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