918 CHAPTER 73: CLUSTER MANAGEMENT CONFIGURATION
Configuring Access
Between the
Management Device
and Its Member
Devices
After having successfully configured NDP, NTDP and cluster, you can configure,
manage and monitor the member devices through the management device. You
can manage member devices in a cluster through switching from the operation
interface of the management device to that of a member device or configure the
management device by switching from the operation interface of a member
device to that of the management device.
Follow these steps to configure access between member devices of a cluster:
c
CAUTION: Telnet connection is used on the switch between the management
device and member devices. Note the following when switching between them
■ Before the switch, execute the telnet server enable command to enable
Telnet. Otherwise, the switch fails.
■ Authentication is required when you switch a member device to the
management device. The switch fails if authentication is not passed. Your user
level is allocated according to the predefined level by the management device if
authentication is passed.
■ When a candidate device is added to a cluster and becomes a member device,
its super password will be automatically synchronized to the management
device. Therefore, after a cluster is established, you are not recommended to
modify the super password of the member device (including management
device and member devices) of the cluster; otherwise, the switch may fail
because of authentication failure.
■ When you switch the management device to a member device, if member n
does not exist, the system prompts error; if the switch succeeds, your user level
on the management device is retained.
■ If the Telnet users on the device to be logged in reach the maximum number,
the switch fails.
■ To prevent resource waste, avoid recycling switch when configuring access
between cluster members. For example, if you switch from the operation
interface of the management device to that of a member device and then need
to switch back to that of the management device, use the quit command to
end the switch, but not the cluster switch-to administrator command to
switch to the operation interface of the management device.
Delete a member device from
the cluster
undo
administrator-address
Required
To do… Use the command… Remarks
To do… Use the command… Remarks
Switch from the operation device
of the management device to that
of a member device
cluster switch-to
{ member-number | mac-address
mac-address | sysname
member-sysname }
Required
Switch from the operation
interface of a member device to
that of the management device
cluster switch-to administrator Required
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