Operation Manual - Integrated Management
Quidway S3500 Series Ethernet Switches Chapter 2 HGMP V2 Configuration
Huawei Technologies Proprietary
2-4
z Network topology collection is implemented by NTDP. It is used for collecting the
information concerning device connection and the Candidate device. It can also
be used for setting hops for topology discovery.
z Member identification positions every member device in the cluster, so that the
administrator device can identify them and delivery the configuration and
management commands to them.
z Membership management includes adding or removing a member, member
device authenticating the administrator device and hand-shaking interval etc.
The following sections describe the detailed configuration of cluster management
functions.
2.2 Configure NDP
2.2.1 NDP Overview
NDP is the protocol for discovering the related information of the adjacent points. NDP
runs on the data link layer, so it supports different network layer protocols.
NDP is used for discovering the information of the directly connected neighbors,
including the device type, software/hardware version, and connecting port of the
adjacent devices. It can also provide the information concerning device ID, port
address, device capability and hardware platform, etc.
All the devices supporting NDP maintain the NDP information table. The table entry will
be removed by NDP automatically when the aging timer expires. You can also clear the
current NDP information to collect new adjacent information.
The device running NDP broadcasts the packets carrying NDP data to all the activated
ports regularly. The packet carries the holdtime, indicating how long the receiving
device has to keep the updating data. The receiver only keeps the information in the
NDP packet, but not forwards it. The corresponding data entry in the NDP table will be
updated with the arriving information. If the new information is same as the old one,
only the holdtime will be updated.
NDP configuration includes:
z Enable/Disable system NDP
z Enable/Disable port NDP
z Set NDP Holdtime
z Set NDP timer
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