26 3Com Switch 4200G Family
Command Reference
ndp timer hello
Use the ndp timer hello command to define how often to transmit the NDP packets.
System view
nm-interface vlan-interface
Use the nm-interface vlan-interface command to configure an NMS interface of the management
device.
Cluster view
ntdp enable
Use the ntdp enable command in system view to enable NTDP globally. When being executed in Ethernet
port view, this command enables NTDP for an Ethernet port.
System view
Ethernet Port view
ntdp explore
Use the ntdp explore command to start topology information collection manually.
User view
ntdp hop
Use the ntdp hop command to set a range (in terms of hop count) for topology information collection.
System view
ntdp timer
Use the ntdp timer command to configure the interval to collect topology information.
System view
ntdp timer hop-delay
Use the ntdp timer hop-delay command to set the delay time for a switch to forward topology-collection
request packets.
System view
ntdp timer port-delay
Use the ntdp timer port-delay command to set the delay time for a switch to forward a received
topology-collection request packet through its successive ports.
System view
Use the ntdp timer port-delay command to set the delay time for a switch to forward a received
topology-collection request packet through its successive ports. A switch forwards received topology
request packets to all its ports in turn. After forwarding a received topology-collection request packet through
one port, the switch delays for specific period before it forwards the packet through the next port.
ntp-service access
Use the ntp-service access command to set the authority to access the local equipment.
System view
ntp-service authentication enable
Use the ntp-service authentication enable command to enable the NTP-service authentication
function.
System view
ntp-service authentication-keyid
Use the ntp-service authentication-keyid command to configure an NTP authentication key.
System view
ntp-service broadcast-client
Use the ntp-service broadcast-client command to configure an Ethernet switch to operate in NTP
broadcast client mode.
VLAN Interface view
ntp-service broadcast-server
Use the ntp-service broadcast-server command to configure NTP broadcast server mode.
VLAN Interface view
ntp-service in-interface disable
Use the ntp-service in-interface disable command to disable an interface to receive NTP message.
VLAN Interface view
ntp-service max-dynamic sessions
Use the ntp-service max-dynamic-sessions command to set how many sessions can be created locally.
System view
ntp-service multicast-client
Use the ntp-service multicast-client command to configure an Ethernet switch to operate in NTP
multicast client mode.
VLAN Interface view