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TCP/IP header compression protocol application
Network requirements
As shown in Figure 148, two routers are directly connected.
Figure 148 Network diagram
Configuration procedure
1. Configure RouterA:
# Configure the link layer protocol of Serial 2/0 as X.25, and configure the interface to operate in
DTE mode.
<RouterA> system-view
[RouterA] interface serial 2/0
[RouterA-serial2/0] link-protocol x25 dte ietf
# Assign an x121 address for the interface.
[RouterA-serial2/0] x25 x121-address 1001
# Assign an IP address for the interface.
[RouterA-serial2/0] ip address 16.16.16.1 255.255.0.0
# Enable TCP/IP header compression.
[RouterA-serial2/0] x25 map compressedtcp 16.16.16.2 x121-address 1002
2. Configure Router B:
# Configure the link layer protocol of Serial 2/0 as X.25, and configure the interface to operate in
DCE mode.
<RouterB> system-view
[RouterB] interface serial 2/0
[RouterB-serial2/0] link-protocol x25 dce ietf
# Assign an X.121 address for the interface.
[RouterB-serial2/0] x25 x121-address 1002
# Assign an IP address for the interface.
[RouterB-serial2/0] ip address 16.16.16.2 255.255.0.0
# Enable TCP/IP header compression.
[RouterB-serial2/0] x25 map compressedtcp 16.16.16.1 x121-address 1001
Verifying the configuration
Ping Router B from Router A to verify that the two routers can reach each other.
[RouterA-serial2/0] ping 16.16.16.2
PING 16.16.16.2: 56 data bytes, press CTRL_C to break
Reply from 16.16.16.2: bytes=56 Sequence=1 ttl=255 time=36 ms
Reply from 16.16.16.2: bytes=56 Sequence=2 ttl=255 time=26 ms
Reply from 16.16.16.2: bytes=56 Sequence=3 ttl=255 time=26 ms
Reply from 16.16.16.2: bytes=56 Sequence=4 ttl=255 time=26 ms
Reply from 16.16.16.2: bytes=56 Sequence=5 ttl=255 time=26 ms
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