6509 sup-720 ios version :s72033_rp-IPSERVICESK9-M.
1)does the spanning tree enable on this chassis by default?
2)i configured spanning-tree vlan 1,7 root primary.i issue the command DS# sh spanning-tree vlan 1
Spanning tree instance(s) for vlan 1 does not exist.
DS# sh spanning-tree vlan 7
Spanning tree instance(s) for vlan 7 does not exist.
where the problem?