Dell C1048P Port Extender Networking Configuration Guide for the C9000 Series - Page 1001

Verifying a VLT Configuration To monitor the operation or verify the configuration of a VLT domain, use any of the following show commands on the primary and secondary VLT switches. • Display information on backup link operation. EXEC mode show vlt backup-link • Display general status information about VLT domains currently configured on the switch. EXEC mode show vlt brief • Display detailed information about the VLT-domain configuration, including local and peer port-channel IDs, local VLT switch status, and number of active VLANs on each port channel. EXEC mode show vlt detail • Display the VLT peer status, role of the local VLT switch, VLT system MAC address and system priority, and the MAC address and priority of the locally-attached VLT device. EXEC mode show vlt role • Display the current configuration of all VLT domains or a specified group on the switch. EXEC mode show running-config vlt • Display statistics on VLT operation. EXEC mode show vlt statistics • Display the RSTP configuration on a VLT peer switch, including the status of port channels used in the VLT interconnect trunk and to connect to access devices. EXEC mode show spanning-tree rstp • Display the current status of a port or port-channel interface used in the VLT domain. EXEC mode show interfaces interface - interface: specify one of the following interface types: * Fast Ethernet: enter fastethernet slot/port. * 1-Gigabit Ethernet: enter gigabitethernet slot/port. * 10-Gigabit Ethernet: enter tengigabitethernet slot/port. * Port channel: enter port-channel {1-128}. Examples of the show vlt and show spanning-tree rstp Commands The following example shows the show vlt backup-link command. Dell_VLTpeer1# show vlt backup-link VLT Backup Link Destination: Peer HeartBeat status: HeartBeat Timer Interval: HeartBeat Timeout: 10.11.200.18 Up 1 3 Virtual Link Trunking (VLT) 1001