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3Com Switch 4200G Family
Command Reference
display mac-address security
Use the
display mac-address security
display mac-authentication
Use the
display mac-authentication
address authentication
display memory
Use the
display memory
display mirroring-group
Use the
display mirroring-group
display ndp
Use the
display ndp
send NDP packets, the holdtime of NDP information, and the information about the neighbors of all the
ports.
display ntdp
Use the
display ntdp
range (in hop count) within which topology information is collected, the interval to collect topology
information (the NTDP timer), the delay time for a device to forward topology-collection requests, the delay
time for a topology-collection request to be forwarded through a port, and the time cost during the last
topology collection.
display ntdp device-list
Use the
display ntdp device-list
display ntdp single-device mac-address
Use the
display ntdp single-device mac-address
specific device in detail.
display ntp-service sessions
Use the
display ntp-service sessions
NTP (Network Time Protocol) service provided by the local equipment.
display ntp-service status
Use the command
display ntp-service trace
Use the
display ntp-service trace
along the time synchronization chain from the local device to the reference clock source.
display packet-filter
Use the
display packet-filter
the ACL name, rule names, and application status.
display port
Use the
display port
display port-security
Use the
display port-security
(including global configuration and all or specific port configuration).
display port vlan-vpn
Use the
display port vlan-vpn
of the current system, including current TPID value, VLAN-VPN ports, and VLAN-VPN uplink ports.
command to display the information about Security MAC address.
command to display global information about centralized MAC
command to display the memory usage of a specified switch.
command to display the parameter settings of a port mirroring group.
command to display global NDP configuration information, including the interval to
command to display the global NTDP information. The information includes the
command to display the device information collected through NTDP.
command to display the status of all the sessions maintained by
display ntp-service status
command to display the brief information of each NTP time server
command to view the application information of packet filtering, including
command to display all current ports with their type indicated.
command to display the information about port security configuration
command to display the information about the VLAN VPN configuration
h-h-h command to display the information about a
to display the NTP service status.
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Any view
Any view
Any view
Any view
Any view
Any view
Any view
Cluster view
Any view
Any view.
Any view
Any view
Any view
Any view
Any view
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