User's Manual

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Command Purpose
ip tcp synwait-time seconds
Sets the wait time for TCP connection.
(2) Setting the Size of TCP Windows
The default size of TCP windows is 2000 byte. Run the following command in global configuration mode to
change the default window size:
Command Purpose
ip tcp window-size bytes
Sets the size of TCP windows.
53.1.3 Detecting and Maintaining IP Network
To detect and maintain the network, run the following command:
(1) Clearing Cache, List and Database
You can clear all content in a cache, list or database. All incorrect data in a cache, list or database need be
cleared.
Run the following command to clear incorrect data:
Command Purpose
clear tcp statistics
Clears the statistics data about TCP
(2) Clearing TCP Connection
To disconnect a TCP connection, run the following command:
Command Purpose
clear tcp {local host-name port remote
host-name port | tcb address}
Clears the designated TCP connection. TCB refers to
TCP control block.
(3) Displaying Statistics Data about System and Network
The system can display the content in the cache, list and database. These statistics data can help you know
the usage of systematic sources and solve network problems.
The command can be used in other modes except the user mode. For details, refer to IP Service Command”.
Command Purpose
show ip access-lists name
Displays the content of one or all access lists.
show ip cache [ prefix mask | software |
hardware | vlan number | summary]
Displays the routing cache that is used for fast IP
message exchange.
show ip sockets
Displays all socket information of SWITCH.
show ip traffic
Displays IP protocol statistics data