October 2002
Intermediate to advanced
560 pages
12h 13m
English
Content preview from Cisco® Field Manual: Catalyst® Switch ConfigurationBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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3-6. Redundant Supervisors
When identical Supervisor hardware is placed in slots 1 and 2 of Catalyst 5500 and 6000 series switches, one Supervisor is active and the other is in standby mode.
In the event of a failure, the redundant Supervisor takes over switch functionality.
Configuration files and operating system files are synchronized between switches.
Layer 2 tables are synchronized between the supervisors for quick transitions between modules.
Parameters such as the Layer 2 synchronization and operating system synchronization can be managed for the modules.
Layer 3 MSFC cards operate independently of the COS and must be managed manually or configured for redundancy in the MSFC IOS. See section “8-4: MSFC Redundancy with Single Router Mode” and ...
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