Cisco Catalyst 3560-CX Manual - Page 10
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Switch Stack Management Connectivity
which uses the results to determine whether the switch can join the switch stack. If the software on the new
switch is incompatible with the switch stack, the new switch enters version-mismatch (VM) mode.
If the auto-upgrade feature is enabled on the existing switch stack, the active stack automatically upgrades
the new switch with the same software image running on a compatible stack member. Auto-upgrade starts a
few minutes after the mismatched software is detected before starting.
Auto-upgrade includes an auto-copy process and an auto-extract process.
• Auto-copy automatically copies the software image running on any stack member to the new switch to
When the auto-upgrade process is complete, the new switch reloads and joins the stack as a fully functioning
member. If you have both stack cables connected during the reload, network downtime does not occur because
the switch stack operates on two rings.
Switch Stack Management Connectivity
You manage the switch stack and the stack member interfaces through the active switch. You can use the
CLI, SNMP, and supported network management applications such as CiscoWorks. You cannot manage stack
members on an individual device basis.
Connectivity to Specific Stack Members
If you want to configure a specific stack member port, you must include the stack member number in the CLI
command interface notation.
Connectivity to the Switch Stack Through an IP Address
The switch stack is managed through a single IP address. The IP address is a system-level setting and is not
specific to the active stack or to any other stack member. You can still manage the stack through the same IP
address even if you remove the active stack or any other stack member from the stack, provided there is IP
connectivity.
Note
Stack members retain their IP addresses when you remove them from a switch stack. To avoid a conflict by
having two devices with the same IP address in your network, change the IP addresses of any active stack
that you remove from the switch stack.
For related information about switch stack configurations, see the Switch Stack Configuration Files section.
Connectivity to the Switch Stack Through Console Ports
You can connect to the active switch by connecting a terminal or a PC to the active switch through the console
port of one or more stack members.
Managing Switch Stacks
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automatically upgrade it. Auto-copy occurs if auto-upgrade is enabled, if there is enough flash memory
in the new switch, and if the software image running on the switch stack is suitable for the new switch.
Note
A switch in VM mode might not run all released software. For example, new
switch hardware is not recognized in earlier versions of software.
Managing Switch Stacks