D-Link DI-1750 Reference Manual page 420

IP/TCP header compression statistics:
Interface Serial2/0:
You must use the command in interface configuration mode.
9.4.6 CTCP Debugging
Command
debug
header-compression
The above commands need to be used under the global configuration directory:
[DEFAULT@Router /enable/]#debug
Key Word:
U(undo) D(default) Q(quit)
(00)aaa Debug AAA process information
(01)arp IP ARP transactions
(02)backup debug backup information
(03)chat Chat scripts activity
(04)custom-queue debug custom output queue
(05)dhcp DHCP client activity
(06)dialer Dial on Demand event
(07)frame-relay Debug Frame Relay information
(08)gpl gpl transmit and receive
(09)gre Generic routing encapsulation
(10)hdlc HDLC information
(11)interface Interface transmit and receive
(12)ip IP information
(13)job Debug job information
(14)l2tp L2TP information
(15)lapb LAPB information
(16)line recv and send data on line
(17)llc2 Debug LLC2 information
(18)ppp debug PPP information
(19)pppoe Debug pppoe information
(20)priority debug priority output queue
--More--
12
Input 12，select ipoption
Key Word:
Q(quit)
(00)beigrp Trace BEIGRP information
(01)bgp trace BGP information
(02)dhcpd DHCP Server activity
(03)icmp ICMP transactions
(04)nat NAT debug commands
(05)ospf trace OSPF information
(06)packet IP packet processing
(07)raw Raw IP packet received and sent
(08)rip trace RIP information
(09)rsvp RSVP packet processing
(10)rtp Rtp parameters
(11)tcp TCP information
(12)udp UDP transactions
Please Input the code of command to be excute(0-12): 11
Input 11，select tcp option：
Key Word:
Model Name
Display the information of the received and
ip tcp
transformed CTCP packets information.
Purpose
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