3Com 4200G 12-Port Configuration Manual page 413

Operation
In system view
Enable NDP
on specified
Ethernet
In Ethernet
ports
port view
Configuring NDP-related parameters
Table 2-5 Configure NDP-related parameters
Operation
Enter system view
Configure the holdtime of NDP
information
Configure the interval to send
NDP packets
Enabling NTDP globally and on a specific port
Table 2-6 Enable NTDP globally and on a specific port
Operation
Enter system view
Enable NTDP globally
Enter Ethernet port view
Enable NTDP on the Ethernet
port
Configuring NTDP-related parameters
Table 2-7 Configure NTDP-related parameters
Operation
Enter system view
Configure the range to collect
topology information
Command
ndp enable interface
port-list
Enter
interface interface-type
Ethernet
interface-number
port view
Enable
NDP on the
ndp enable
port
Command
system-view
ndp timer aging
aging-in-seconds
ndp timer hello seconds
Command
system-view
ntdp enable
interface interface-type
interface-number
ntdp enable
Command
system-view
ntdp hop hop-value
2-10
Description
Use either approach.
By default, NDP is
enabled on a port.
Description
—
Optional
By default, the holdtime of NDP
information is 180 seconds.
Optional
By default, the interval to send
NDP packets is 60 seconds.
Description
—
Required
Enabled by default
—
Required
Enabled by default
Description
—
Optional
By default, the system collects
topology information from the
devices within three hops.