Operation Manual – Stack&Cluster
Quidway S3100 Series Ethernet Switches
Chapter 2 Cluster
Huawei Technologies Proprietary
2-2
z
Software upgrading and parameter configuring can be performed simultaneously
on multiple switches.
z
Free of topology and distance limitations
z
Saving IP address resource
HGMP V2 provides the following functions:
z
Topology discovery: HGMP V2 implements NDP (neighbor discovery protocol) to
discover the information about the directly connected neighbor devices, including
device type, software/hardware version, connecting port and so on. The
information such as device ID, port mode (duplex or half duplex), product version,
and BootROM version can also be given.
z
Topology information collection: HGMP V2 implements NTDP (neighbor topology
discovery protocol) to collect the information about device connections and
candidate devices within a specified hop range.
z
Member recognition: A management device can locate and recognize the member
devices in the cluster and then deliver configuration and management commands
to them.
z
Member management: You can add a device to a cluster or remove a device from
a cluster on the management device. You can also configure management device
authentication and handshake interval for a member device on the management
device.
Cluster-related configurations are described in the following sections.
2.1.2 Cluster Roles
According to their functions and status in a cluster, switches in the cluster play different
roles. You can specify the role a switch plays. A switch also changes its role according
to specific rules.
Following three cluster roles exist: management device, member device, and
candidate device.
Table 2-1
Cluster role
Role
Configurations
Functions
Management
device
z
Configured with a
public IP address.
z
Receiving
management
commands from the
public network and
processing the
received commands
z
Providing management interfaces for
all switches in the cluster
z
Managing member devices by
redirecting commands
z
Forwarding commands to the
intended member devices
z
Neighbor discovery, topology
information collection, cluster
management, cluster state
maintenance, and proxies