H3C S9500 Series Command Manual page 1738

Command Manual – Cluster Management
H3C S9500 Series Routing Switches
number/port number, to indicates the port range, and all indicates the ports on all
interface boards that support NDP on the switch.
Description
Use the ndp enable command in system view to enable NDP in the system. With NDP
enabled globally, specifying a port number directly enables NDP on the port.
Use the undo ndp enable command in system view to disable NDP in the system.
Use the ndp enable command in Ethernet port view to enable NDP on the port.
Use the undo ndp enable command in Ethernet port view to disable NDP on the port.
You must enable NDP in system view before you can enable NDP on the port.
Alternatively, you can use the ndp enable { interface port-list | all } command in
system view to enable NDP on the specified port or all ports.
By default, NDP is disabled in the system and on all ports.
Examples
# Enable NDP configuration in the system.
<H3C>system-view
System View: return to User View with Ctrl+Z.
[H3C] ndp enable
# Enable NDP configuration on Ethernet port Ethernet 1/1/1.
<H3C>system-view
System View: return to User View with Ctrl+Z.
[H3C] interface Ethernet1/1/1
[H3C-Ethernet1/1/1] ndp enable
2.1.3 ndp timer aging
Syntax
ndp timer aging aging-in-secs
undo ndp timer aging
View
System view
Parameters
aging-in-secs: Specifies the aging timer, in seconds, for NDP information; that is, how
often the neighbor device information of the port is updated. By default, the aging timer
for NDP information is 180 seconds.
Chapter 2 NDP Configuration Commands
2-3