Tech tip - Can't remember RTP voice ports

From: cannonr (cannonr@attbi.com)
Date: Fri Apr 18 2003 - 23:36:12 GMT-3


And you don't want to search the CD?

Grab an interface....

r6(config-if)#ip rtp priority ?
  <2000-65535> Lower bound of UDP destination port

Pick the lowest port......

r6(config-if)#ip rtp priority 2000 ?
  <0-16383> Range of UDP ports

The 16383 should jog your memory. That is the range of udp ports. Your lower
bound port is your range plus one

r6(config-if)#ip rtp priority ?
  <2000-65535> Lower bound of UDP destination port

r6(config-if)#ip rtp priority 16384 ?
  <0-16383> Range of UDP ports

r6(config-if)#ip rtp priority 16384 16383

16384+16383=32767

Remove your RTP config and write your ACL

access-list 101 permit udp any any range 16384 32767

This will make it easy for you to jog your memory at crunch time and maybe
help you understand how to use the ip rtp pri command if you are ever asked to
put voice traffic in a high priority WFQ as opposed to a CBWFQ/PQ.

Royce



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