H3C Technologies H3C S3100 Series Switches - Manual (Page 113)

Operation Manual – IP Address and Performance Confiugration
H3C S3100-52P Ethernet Switch Chapter 2 IP Performance Configuration
2-4
Solution
: Enable the corresponding debugging information output to view the
debugging information.
z
Use the display command to display the IP performance and check whether the
PC runs normally.
z
Use the terminal debugging command to enable debugging information to be
output to the console.
z
Use the debugging udp packet command to enable the UDP debugging to trace
UDP packets.
terminal debugging
debugging udp packet
The UDP packets are shown in the following format:
UDP output packet:
Source IP address:202.38.160.1
Source port:1024
Destination IP Address 202.38.160.1
Destination port: 4296
z
Use the debugging tcp packet command to enable the TCP debugging to trace
TCP packets.
terminal debugging
debugging tcp packet
Then the TCP packets received or sent will be displayed in the following format in real
time:
TCP output packet:
Source IP address:202.38.160.1
Source port:1024
Destination IP Address 202.38.160.1
Destination port: 4296
Sequence number :4185089
Ack number: 0
Flag :SYN
Packet length :60
Data offset: 10