Management and Configuration Guide K/KA/KB.15.15

Directing the standby module to become active........................................................................467
Setting the active management module for next boot.................................................................468
Hotswapping out the active management module.....................................................................470
Resetting the management module..........................................................................................471
Viewing management information...........................................................................................471
Viewing information about the management and fabric modules............................................472
Viewing information about the redundancy role of each management module.........................472
Viewing which software version is in each flash image..........................................................473
Viewing system software image information for both management modules.............................473
Viewing the status of the switch and its management modules................................................474
Standby management module commands................................................................................474
Viewing redundancy status on the standby module...............................................................474
Viewing the flash information on the standby module............................................................475
Viewing the version information on the standby module........................................................475
Setting the default flash for boot.............................................................................................475
Booting the active management module from the current default flash.....................................476
Displaying module events......................................................................................................477
Viewing log events...........................................................................................................477
Copying crash file information to another file.......................................................................478
Viewing saved crash information........................................................................................478
Enabling and disabling fabric modules....................................................................................479
Overview of chassis redundancy (8200zl switches)...................................................................479
Nonstop switching with redundant management modules......................................................480
How the management modules interact...............................................................................480
About using redundant management.......................................................................................480
Transition from no redundancy to nonstop switching.............................................................480
About setting the rapid switchover stale timer.......................................................................480
About directing the standby module to become active..........................................................481
Nonstop switching with VRRP.................................................................................................481
Example nonstop routing configuration....................................................................................482
Nonstop forwarding with RIP..................................................................................................483
Nonstop forwarding with OSPFv2 and OSPFv3........................................................................483
Enabling nonstop forwarding for OSPFv2...........................................................................483
Configuring restart parameters for OSPFv2..........................................................................484
Viewing OSPFv2 nonstop forwarding information.................................................................484
Enabling nonstop forwarding for OSPFv3...........................................................................485
Configuring restart parameters for OSPFv3.....................................................................485
Viewing OSPFv3 nonstop forwarding information............................................................485
Hotswapping management modules........................................................................................486
Management module switchover........................................................................................486
Events that cause a switchover......................................................................................486
What happens when switchover occurs..........................................................................486
When switchover will not occur.....................................................................................487
When a management module crashes while the other management module is rebooting......487
Hotswapping out the active management module............................................................487
When the standby module is not available.....................................................................487
Hotswapping in a management module.........................................................................487
Software version mismatch between active and hotswapped module......................................487
Other software version mismatch conditions........................................................................488
About downloading a new software version.............................................................................488
File synchronization after downloading...............................................................................488
Potential software version mismatches after downloading......................................................489
Downloading a software version serially if the management module is corrupted......................491
About turning off redundant management................................................................................491
Disable management module redundancy with two modules present......................................491
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