Dell C9000 Series Reference Manual page 62

1 Verify that you are logged in to CONFIGURATION mode.
2 Enter the monitor session command then the session ID. The prompt changes to include (conf-
mon-sess-sessionID).
MULTIPLE SPANNING TREE (MSTP) Mode
To enable and configure MSTP, use MULTIPLE SPANNING TREE mode. For more information, see
Multiple Spanning Tree Protocol
To enter MULTIPLE SPANNING TREE mode:
1 Verify that you are logged in to CONFIGURATION mode.
2 Enter the protocol spanning-tree mstp command. The prompt changes to include (conf-mstp).
You can return to CONFIGURATION mode by using the exit command.
PE Configuration Mode
To configure certain the port extender features such as, the PoE feature, use the PE CONFIGURATION mode.
For more information, see the
To enter PE CONFIGURATION mode:
1 Verify that you are logged in to CONFIGURATION mode.
2 Enter thepe pe-id command. The prompt changes to include (conf-pe pe-id)
Per-VLAN SPANNING TREE (PVST+) Plus Mode
To enable and configure the Per-VLAN Spanning Tree (PVST+) protocol, use PVST+ mode. For more
information, see Per-VLAN Spanning Tree Plus
NOTE: The protocol name is PVST+, but the plus sign is dropped at the CLI prompt.
To enter PVST+ mode:
1 Verify that you are logged in to CONFIGURATION mode.
2 Enter the protocol spanning-tree pvst command. The prompt changes to include (conf-pvst).
You can return to CONFIGURATION mode by using the exit command.
PORT-CHANNEL FAILOVER-GROUP Mode
To configure shared LAG state tracking, use PORT-CHANNEL FAILOVER-GROUP mode. For more
information, see Port Channel
To enter PORT-CHANNEL FAILOVER-GROUP mode:
1 Verify that you are logged in to CONFIGURATION mode.
(MSTP).
Port Extenders (PE)
(PVST+).
Commands.
CLI Basics 62