156 Managing a Switch Stack
Viewing and Clearing Stacking and NSF Information
Beginning in Privileged EXEC mode, use the following commands to view 
stacking information and to clear NSF statistics.
boot auto-copy-sw allow-
downgrade 
Allow the firmware version on the newly added stack 
member to be downgraded if the firmware version on 
manager is older.
exit Exit to Privileged EXEC mode.
show auto-copy-sw View the Stack Firmware Synchronization settings for the 
stack.
reload 
unit
If necessary, reload the specified stack member.
NOTE: The OSPF feature uses NSF to enable the hardware to continue forwarding 
IPv4 packets using OSPF routes while a backup unit takes over Management Unit 
responsibility. Additional NSF commands are available in OSPF and OSPFv3 
command modes. For more information, see "NSF OSPF Summary" on page 951 and 
"NSF OSPFv3 Configuration" on page 968
Command Purpose
show switch [
stack-
member-number 
]
View information about all stack members or the specified 
member.
show stack-standby View the ID of the switch that will assume the role of the 
Management Unit if it goes down.
show stack-port View information about the stacking ports.
show stack-port counters View the statistics about the data the stacking ports have 
transmitted and received.
show supported 
switchtype
View the PowerConnect models that are supported in the 
stack and the switch index (SID) associated with each 
model.
show nsf View summary information about the NSF feature.
Command Purpose