3Com 4500 PWR 26-Port Configuration Manual page 597

Configuring NDP-related parameters
Follow these steps to configure NDP-related parameters:
To do...
Enter system view
Configure the holdtime of NDP
information
Configure the interval to send
NDP packets
Enabling NTDP globally and on a specific port
Follow these steps to enable NTDP globally and on a specific port:
To do...
Enter system view
Enable NTDP globally
Enter Ethernet port view
Enable NTDP on the Ethernet
port
Configuring NTDP-related parameters
Follow these steps to configure NTDP-related parameters:
To do...
Enter system view
Configure the range to collect
topology information
Configure the device forward
delay of topology collection
requests
Configure the port forward
delay of topology collection
requests
Configure the interval to collect
topology information
periodically
Quit system view
Use the command...
system-view
ndp timer aging
aging-in-seconds
ndp timer hello seconds
Use the command...
system-view
ntdp enable
interface interface-type
interface-number
ntdp enable
Use the command...
system-view
ntdp hop hop-value
ntdp timer hop-delay time
ntdp timer port-delay time
ntdp timer interval-in-minutes
quit
48-11
Remarks
—
Optional
By default, the holdtime of NDP
information is 180 seconds.
Optional
By default, the interval to send
NDP packets is 60 seconds.
Remarks
—
Required
Enabled by default
—
Required
Enabled by default
Remarks
—
Optional
By default, the system collects
topology information from the
devices within three hops.
Optional
By default, the device forward
delay is 200 ms.
Optional
By default, the port forward
delay is 20 ms.
Optional
By default, the topology
collection interval is one
minute.
—