The 6560 switch does not have EMP port.
Please refer to the example below.
Master Switch>
-> show configuration vcm-snapshot chassis-id 1
! Virtual Chassis Manager:
virtual-chassis chassis-id 1 configured-chassis-id 1
virtual-chassis vf-link-mode auto
virtual-chassis auto-vf-link-port 1/1/27
virtual-chassis auto-vf-link-port 1/1/28
virtual-chassis chassis-id 1 chassis-group 100
How to add and delete VFL link
-> virtual-chassis auto-vf-link-port 1/1/29
-> virtual-chassis auto-vf-link-port 1/1/30
-> no virtual-chassis auto-vf-link-port 1/1/27
-> no virtual-chassis auto-vf-link-port 1/1/28
[chassis Group ID number change] –All switches Configured as VC must have the same group ID.
[Slave Switch]
-> virtual-chassis chassis-id 1 configured-chassis-id 2
-> virtual-chassis vf-link-mode auto
-> no virtual-chassis auto-vf-link-port 1/1/27
-> no virtual-chassis auto-vf-link-port 1/1/28
-> virtual-chassis auto-vf-link-port 1/1/29
-> virtual-chassis auto-vf-link-port 1/1/30
-> virtual-chassis chassis-group 100
-> write memory
WARNING - Virtual chassis topology change detected. Chassis 1 missing!
Configuration associated with missing chassis will be erased permanently!
Confirm to continue (Y/N): y
->reload from working no rollback-timeout
y
When the switch starts rebooting, connect the stacking cable to the VFL port.
When the slave switch completes booting, enter the following command on the master switch.
->show configuration vcm-snapshot chassis-id 2
->show virtual-chassis topology
->show virtual-chassis consistency
->show virtual-chassis vf-link
->show virtual-chassis vf-link member-port
After checking the VC status using the above command, proceed with saving and synchronization using the following command.
->write memory flash-synchro