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Reference Guide for the Centillion 50/100 and Model 5000BH Switches
1-30
893-01006-C
Scenario 4
Scenario 4 (see Figure 1-13) provides a solution to the confusing configuration in
scenario 3. In this network are two bridge groups (segments A and B) with a
router passing traffic between them. The NM console is using the secondary
management port on the Centillion 50/100 switch to obtain network management
information from the switch.
Figure 1-13. Dual-Path Management Information Request: Recommended Configuration
As explained in scenario 3, you should avoid creating a dual path between the
console and the switch agent (shown as a dotted line connection in Figure 1-13).
The easiest way to avoid this problem is to configure only the primary or the
secondary interface. If you want to configure both to provide a redundant path for
the management information, do not configure a default gateway on either the
primary or secondary side. This precaution will prevent the dual-path problems
described.
Segment A Segment B
Bridge group Bridge group
Management
console
Avoid this route
Network Management (secondary)
Router
Centillion 50/100
switch
ATM link
7957EA