voice traffic definition

From: mani poopal (mani_ccie@yahoo.com)
Date: Sun Apr 17 2005 - 22:38:24 GMT-3

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Hi Guys,
 
I have seen scenarios asking to define some variables(bandwidth, ip precedence, next hop etc) for voice traffic. What is the syntax of defining voice traffic.
(A.)
permit tcp any any eq 1720
permit udp any any range 16384 32767
 
(B.)
class-map VOICE
   match protocol rtp<--Is it voice traffic or rtp traffic
 
(C.)
class-map VOICE
   match ip rtp priority 16384 16387
 
I think only A, C define voice traffic(is it same as voice over ip), and when they ask for voice traffic going from some network to anothe network we have to use option A. When they don't specify source/destination, we can go with option B.
Guys what is the difference between match protcol rtp and match ip rtp priority 16384 16387, any insights in to above three commands with explanations are appreciated.
 
thanks
 
Mani

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