912 CHAPTER 73: CLUSTER MANAGEMENT CONFIGURATION
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CAUTION: Disabling the NDP and NTDP functions on the management device and
member devices after a cluster is created will not cause the cluster to be dismissed,
but will influence the normal operation of the cluster.
Configuring the
Management Device
Enabling NDP Globally
and for Specific Ports
Follow these steps to enable NDP globally and for specific ports:
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CAUTION:
■ For NDP to work normally, you must enable NDP both globally and on the
specified port.
■ 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 NDP
Parameters
Follow these steps to configure NDP parameters:
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CAUTION: The time for the receiving device to hold NDP packets cannot be
shorter than the interval to send NDP packets; otherwise, the NDP table may
become instable.
Enabling NTDP Globally
and for Specific Ports
Follow these steps to enable NTDP globally and for specific ports:
To do… Use the command… Remarks
Enter system view system-view -
Enable NDP globally ndp enable Optional
Enabled by default.
Enable the
NDP feature
for the port(s)
In system view ndp enable interface
interface-list
Use either command
By default, NDP is enabled
globally and also on all ports. In Ethernet
port view
interface interface-type
interface-number
ndp enable
To do… Use the command… Remarks
Enter system view system-view -
Configure the period for the
receiving devices to keep the
NDP packets
ndp timer aging aging-time Optional
180 seconds by default.
Configure the interval to send
NDP packets
ndp timer hello hello-time Optional
60 seconds by default.
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