From: Brown, Patrick (NSOC-OCF} (PBrown4@chartercom.com)
Date: Wed Jul 16 2003 - 13:00:18 GMT-3
"The "passive" keyword by the way will allow compression and will only
compress outbound if something comes in compressed to trigger it."
With what is above said, if you have both sides of the link set to passive
does compression occur?
My thought is that one side would have to be active, and onside can be
passive. I could be wrong!
Thanks,
Pb
-----Original Message-----
From: Giblin Dean L. [mailto:DLGiblin@VASC.com]
Sent: Monday, July 14, 2003 3:24 PM
To: Scott Morris; Roberto Adjakou; ccielab@groupstudy.com
Subject: RE: RTP Compression
Compression can be a tricky thing. There are a few caveats. The best
article I have found from Cisco is, "Cisco - Tech Note - WAN Compression
FAQs". It covers header/payload compression, Versions of IOS,
encapsulation settins, and problems with queuing, and how to monitor
compression.
-----Original Message-----
From: Scott Morris [mailto:swm@emanon.com]
Sent: Monday, July 14, 2003 4:17 PM
To: 'Roberto Adjakou'; ccielab@groupstudy.com
Subject: RE: RTP Compression
Ip rtp header compression will specifically deal with the headers you
are interested in. But does so on PPP or HDLC interfaces only.
Frame map ip ... Compress simply compresses the frame-relay headers,
which is not the object you want.
However, if you look at:
Frame-relay map ip (addr) (dlci) broadcast rtp header-compression
That is probably what you are looking for!
The "passive" keyword by the way will allow compression and will only
compress outbound if something comes in compressed to trigger it.
HTH,
Scott
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Roberto Adjakou
Sent: Monday, July 14, 2003 3:07 PM
To: ccielab@groupstudy.com
Subject: RTP Compression
Given this net diagram :
R5---------- R2 ------------ R6
R2 is joining R5 and R6 by a sub interface multipoint connected into a
FR cloud.
Asking to configure RTP compression between R2 and R5 only, what is the
correct solution?
Solution 1
R5:
R5(config-if)#ip rtp header-compression
R2:
R2(config-subif)#frame-relay map ip [R5 serial int IP addr] 105
broadcast compress
Solution 2
R5:
R5(config-if)#ip rtp header-compression
R2:
R2(config-subif)#ip rtp header-compression passive
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