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Switch Memory and Configuration
Multiple Configuration Files
While you can still use remote storage for startup-config files, you can now
maintain multiple startup-config files on the switch and choose which version
to use for a reboot policy or an individual reboot.
This choice of which configuration file to use for the startup-config at reboot
provides the following new options:
■ The switch can reboot with different configuration options without having
to exchange one configuration file for another from a remote storage
location.
■ Transitions from one software release to another can be performed while
maintaining a separate configuration for the different software release
versions.
■ By setting a reboot policy using a known good configuration and then
overriding the policy on a per-instance basis, you can test a new configu-
ration with the provision that if an unattended reboot occurs, the switch
will come up with the known, good configuration instead of repeating a
reboot with a misconfiguration.
General Operation
Multiple Configuration Storage in the Switch.
The switch uses three
memory “slots”, with identity ( id ) numbers of 1 , 2 , and 3 .
A startup-config file stored in a memory slot has a unique, changeable file
name. The switches covered in this guide can use the startup-config in any of
the memory slots (if the software version supports the configured features).
Boot Options. With multiple startup-config files in the switch you can spec-
ify a policy for the switch to use upon reboot. The options include:
■
Use the designated startup-config file with either or both reboot paths
(primary or secondary flash)
■ Override the current reboot policy for one reboot instance by specifying
a boot path (primary or secondary flash) and the startup-config file to use.
Memory Slots
for Different
Startup-Config
Files
3500-5400-6200-8200-MCG-Jan08-K_13_01.book Page 27 Monday, January 28, 2008 10:04 AM