KB.15.15

Troubleshooting a strictly provisioned, mismatched MAC address

When switches are strictly provisioned, it is possible to enter an incorrect type or incorrect MAC

address. If this occurs, the switch does not match the intended configuration entry and stacking

attempts to add this switch as a new “plug-and-go” switch. If the stacking configuration already

has 10 switches, then the “plug-and-go” fails.

The following example shows a stack with 9 members. There is a new J9576A switch that is

supposed to be member 4; however, the MAC address was mis-typed, therefore, there is an

“opening” for a plug-and-go at member 10. It will join as member 10.

306 Stack management for the 3800 switches