SwitchB

[~SwitchB] port-group group1
[*SwitchB-port-group-group1] group-member 10ge 1/0/1 to 10ge 1/0/2
[*SwitchB-port-group-group1] group-member 10ge 2/0/1 to 10ge 2/0/2
[*SwitchB-port-group-group1] shutdown
[*SwitchB-port-group-group1] quit
[*SwitchB] commit
[~SwitchB] interface stack-port 1
[*SwitchB-Stack-Port1] port member-group interface 10ge 1/0/1 to 1/0/2
[*SwitchA-Stack-Port1] port member-group interface 10ge 2/0/1 to 2/0/2
[*SwitchB-Stack-Port1] quit
[*SwitchB] commit