Follow the procedure to display topology group information for a specified group.
device# show topology-group 1 Topology Group 1 ============================== Master VLAN : 100 L2 Protocol: R-PVST Member VLANs : 200 300 Member Bridge-domains: 10 Control Ports : eth 2/1, eth 2/2, po10 Free Ports : VLAN: 200 –eth 2/3, po11 Bridge-domain: 10 –eth 2/3.20, po11.10
device# show running-config topology-group 1 master-vlan 100 member-vlan add 200 300 member-bridge-domain add 10