Command Reference Guide

3Com Router 5000 Family and Router 6000 Family fr iphc ● 145
Command Reference
fr iphc
Purpose Use the fr iphc command to enable IP header compression function, including
RTP/TCP header compression.
Use the undo fr iphc command to disable this function.
Syntax fr iphc { nonstandard | rtp-connections number1 | tcp-connections
number2 | tcp-include }
undo fr iphc { nonstandard | rtp-connections number1 | tcp-connections
number2 | tcp-include }
Parameters nonstandard
Nonstandard compatible compression format.
rtp-connections number1
The number of RTP compression connections. Valid
values are 3 to 255.
If no value is specified, the default number of RTP
compression connections is 256.
tcp-connections number2
The number of TCP compression connections. Valid
values are 3 to 255.
If no value is specified, the default number of TCP
compression connections is 256.
tcp-include
Includes TCP header compression when performing
RTP compression.
Example Configure the number of RTP compression connections as 200 on the frame relay
Serial1/0/0.
[3Com-Serial1/0/0] fr iphc rtp-connections 200
View This command can be used in the following views:
■ Frame Relay Interface view
■ MFR Interface view
Related Command fr map ip