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Cisco ONS 15530 Configuration Guide and Command Reference
78-14227-01, Cisco IOS Release 12.1(10)EV2
Chapter3 Initial Configuration
Configuring CPU Switch Module Redundancy
Example
The following example shows the contents of the configuration register:
Switch# show version
Cisco Internetwork Operating System Software
IOS (tm) ONS-15530 Software (manopt-M0-M), Experimental Version 12.1(20010221:0]
Copyright (c) 1986-2001 by cisco Systems, Inc.
Compiled Tue 20-Feb-01 18:40 by lthanvan
Image text-base: 0x60010968, data-base: 0x604D8000
ROM: System Bootstrap, Version 12.1(20010204:232442) [vsankar-alarm_fix 106], DE
BOOTFLASH: M1540-ODS Software (manopt-M0-M), Experimental Version 12.1(20001229]
M1 uptime is 1 minute
System returned to ROM by power-on
System image file is "tftp://171.69.1.129//tftpboot/lthanvan/manopt-m0-mz"
cisco (QUEENS-CPU) processor with 98304K/32768KB of memory.
R7000 CPU at 234Mhz, Implementation 39, Rev 2.1, 256KB L2, 2048KB L3 Cache
Last reset from unexpected value
2 Ethernet/IEEE 802.3 interface(s)
509K bytes of non-volatile configuration memory.
16384K bytes of Flash internal SIMM (Sector size 64K).
Configuration register is 0x2102
The following example shows the contents of the boot variab le :
Switch# show bootvar
BOOT variable = bootflash:ons15530-i-mz.1;
CONFIG_FILE variable =
BOOTLDR variable =
Configuration register is 0x2
Standby auto-sync startup config mode is on
Standby auto-sync running config mode is on
Synchronizing the Configurations
During normal operation, the startup and running configurati ons ar e syn ch roniz ed by d efaul t be tw een
the two CPU switch modules. In the event of a switchover, the new active CPU switch module uses the
current running configuration. Configurations are synchronized either manually from the CLI using the
redundancy manual-sync command or automatically following configuration changes input from the
CLI or from SNMP if automatic synchronization is enabled.

Synchronizing Configurations Manually

To immediately synchronize the configurations used by the two CPU switch modules, use the following
privileged EXEC command on the active CPU switch module:
Command Purpose
redundancy manual-sync {startup-config |
running-config | both}Immediately synchronizes the configuration.