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H3C S3100 8C SI User Manual

H3C S3100 8C SI
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Operation Manual – Stack-Cluster
H3C S3100 Series Ethernet Switches Chapter 2 Cluste
r
2-3
Role Configuration Function
Candidate device
Normally, a
candidate
device is not
assigned an
external IP
address
Candidate device refers to the devices
that do not belong to any clusters but are
cluster-capable.
Figure 2-2 illustrates the state machine of cluster role.
Candidate Switch
Designates as a
management switch
Member switchManagement switch
Cancels the
designated
Management
switch
Joins a
cluster
Leaves a
cluster
Figure 2-2 State machine of cluster role
z A candidate device becomes a management device when you create a cluster on
it. Note that a cluster must have one (and only one) management device. On
becoming a management device, the device collects network topology information
and tries to discover and determine candidate devices, which can then be added
to the cluster through configurations.
z A candidate device becomes a member device after being added to a cluster.
z A member device becomes a candidate device after it is removed from the cluster.
z A management device becomes a candidate device only after the cluster is
removed.
 Note:
After you create a cluster on an S3100 switch, the switch collects the network topology
information periodically and adds the candidate switches it finds to the cluster. The
interval for a management device to collect network topology information is determined
by the NTDP timer. If you do not want the candidate switches to be added to a cluster
automatically, you can set the topology collection interval to 0 by using the ntdp timer
command. In this case, the switch does not collect network topology information
periodically.

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H3C S3100 8C SI Specifications

General IconGeneral
BrandH3C
ModelS3100 8C SI
CategorySwitch
LanguageEnglish

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