Selecting the Stacking Protocol

The Summit X440, X460, X480, and X670 stacking ports can use either the standard or the enhanced stacking protocol. You must configure the enhanced stacking protocol on a stack before you can enable MPLS. The Summit X450-G2, X460-G2, X670-G2, and X770 only support the enhanced stacking protocol. Although you can mix Summit X460, X480, X670, and X770 switches in a stack, we recommend that you do not mix these switch types if the desired routing table exceeds the supported limit.

The default configuration selects the standard stacking protocol. The enhanced stacking protocol is required for MPLS.

Select the stacking protocol by using the following command:

configure stacking protocol [ standard | enhanced ]

The new protocol selection activates the next time you reboot the switch.