Overview Of Supervisor Modules - Cisco Nexus 7718 Hardware Installation Manual

Managing the Switch

Overview of Supervisor Modules

The switch has one or two supervisor modules of the following types:
• Supervisor 2 Enhanced (N77-SUP2E)
When a switch has two supervisors, one supervisor is automatically active while the other is in standby mode.
If the active supervisor goes down or is disconnected for replacement, the standby supervisor automatically
becomes active. If you need to replace one of two installed supervisor modules with another module, you can
do this without interrupting operations—the supervisor that you are not replacing becomes the active supervisor
and retains the kickstart configuration while you replace the other supervisor.
If the switch has just one supervisor, you can install the new supervisor in the open supervisor slot during
operations and make that supervisor active after the installation.
Supervisor modules are automatically powered up and started with the switch.
To understand the terms used for the supervisors, see the following table.
Module Terms
module-9 and module-10
sup-1 and sup-2
sup-active and sup-standby
OL-30453-01
Usage Description
Fixed
• Module-9 refers to the supervisor module in chassis
slot 9.
• Module-10 refers to the supervisor module in chassis
slot 10.
Fixed
• sup-1 refers to the supervisor module in slot 9.
• sup-2 refers to the supervisor module in slot 10.
Relative
• sup-active refers to the active supervisor
module—relative to the slot that contains the active
supervisor module.
• sup-standby refers to the standby supervisor
module—relative to the slot that contains the standby
supervisor module.
Cisco Nexus 7718 Switch Site Preparation and Hardware Installation Guide
Overview of Supervisor Modules
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