Chassis Management and Monitoring Commands
page 2-20 OmniSwitch 6250 CLI Reference Guide November 2009
reload pass-through
Reloads (i.e., reboots) a switch in a stacked configuration that has been forced into the pass-through mode.
The pass-through mode is a state in which a switch has been assigned a slot number that is not available in
the current stacked configuration. When a switch is in the pass-through mode, its Ethernet ports are
brought down (i.e, they cannot pass traffic). However, its stacking ports are fully functional and can pass
traffic through to other switches in the stack; in this way, pass-through mode provides a mechanism to
prevent the stack ring from being broken.
Note. If a switch is forced into the pass-through mode, the rest of the virtual chassis (i.e., stack) will not be
disrupted. Any elements in the stack not operating in pass-through mode continue to operate normally.
reload pass-through slot-number
Syntax Definitions
slot-number The virtual chassis slot number of the switch currently in the pass-
through mode (1001–1008). For more information on pass-through slot
numbering, refer to the “Usage Guidelines” section below.
Defaults
N/A
Platforms Supported
OmniSwitch 6250
Usage Guidelines
• Switches in the pass-through mode are given distinct slot numbers. These slot numbers are not related
to their position in the stack. Instead, they are assigned the prefix “100,” followed by the numerical
order in which they were forced into pass-through. In other words, if only one switch in a stack is
forced into the pass-through mode, it is given the slot number 1001. If multiple switches in a stack are
forced into pass-through, the first switch in pass-through is given the slot number 1001, the second
switch is given the slot number 1002, the third switch is given the slot number 1003, etc.
• Before issuing the reload pass-through command, be sure that the corresponding switch has been
given a unique saved slot number. The saved slot number is the slot number the switch will assume
after it has been rebooted. If the saved slot number is not unique, the switch will simply return to pass-
through mode. To view the current and saved slot numbers for all switches in a stack, use the show
stack topology command. To assign a unique saved slot number to a switch before rebooting, use the
stack set slot command.
Examples
-> reload pass-through 1001
Release History
Release 6.6.1; command was introduced.
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