Configuring the Management Device 913
c
CAUTION:
■ For NTDP to work normally, you must enable NTDP both globally and on the
specified port.
■ The NTDP function is mutually exclusive with the BPDU TUNNEL function under
a port and you cannot enable them at the same time. For the detailed
description of the BPDU TUNNEL function, refer to “BPDU Tunneling
Configuration” on page 141.
■ If the subtending port or the port connecting the management device to a
member/candidate device is a port of a member in an aggregation group, you
must enable NDP on all member ports of the aggregation group at the same
time. Otherwise, NDP will work abnormally.
■ You are recommended to disable NDP on the port which connects with the
devices that do not need to join the cluster, preventing the management device
from adding the device which needs not to join the cluster and collecting the
topology information of this device.
Configuring NTDP
Parameters
Follow these steps to configure NTDP parameters:
Manually Collecting
NTDP Information
The management device collects topology information periodically after a cluster is
created. In addition, you can configure to manually collect NTDP information to
initiate NTDP information collection, thus managing and monitoring the device on
real time, regardless of whether a cluster is created.
Follow these steps to configure to manually collect NTDP information:
To do… Use the command… Remarks
Enter system view system-view -
Enable NTDP globally ntdp enable Optional
Enabled by default
Enable NTDP for the port interface interface-type
interface-number
Optional
NTDP is enabled on all ports
by default. ntdp enable
To do… Use the command… Remarks
Enter system view system-view -
Configure the range within
which topology information is
to be collected
ntdp hop hop-value Optional
By default, the hop range for
topology collection is 3 hops.
Configure the interval to
collect topology information
ntdp timer interval-time Optional
1 minute by default.
Configure the delay to
forward topology-collection
request packets on the first
port
ntdp timer hop-delay time Optional
200 ms by default.
Configure the port delay to
forward topology collection
request
ntdp timer port-delay time Optional
20 ms by default.
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