Allied Telesis SwitchBlade 4000 Series Switch Hardware Reference - Manual (Page 12)

12 SwitchBlade 4000 Series Switch
C613-03060-00 REV H
■ Whether a power cycle occurred between the create config command and
the line card being replaced, and
■ If a power cycle did occur, whether another create config command has
been entered.
The process flow is shown in Figure 1-1 on page 12.
Figure 1-1: The process flow involved in hot swapping a line card out, changing the switch’s configuration, and then hot
swapping the line card back in
Line card is hotswapped out
The switch is reconfigured.
CREATE CONFIG command is executed.
Configuration of swapped-out card is retained,
including references to missing ports.
Card is hotswapped
back in.
CREATE CONFIG
executed?
No
Yes
Commands referring to missing ports fail on
start-up
Switch "remembers" commands with failed ports.
When the dynamic configuration is displayed with
SHOW CONFIG DYNAMIC, missing commands
show under "Swapped out" headings.
Switch restarted.
Card's configuration is
restored to what it was
before it was removed.
Card is hotswapped back in.
Power cycle
occurs? No
Yes
Card's configuration is
restored to what it was
before it was removed.
Card's original configuration is lost.
Warning: under these circumstances, do not enter
CREATE CONFIG without first restarting the switch,
unless you want to delete the original configuration of the
previously-hotswapped card.