iv
Configuration prerequisites ········································································································································· 104
Configuration restrictions and guidelines ·················································································································· 104
Enabling BPDU tunneling ············································································································································ 105
Enabling BPDU tunneling for a protocol in Layer 2 Ethernet interface view or port group view················ 105
Enabling BPDU tunneling for a protocol in Layer 2 aggregate interface view ············································· 105
Configuring destination multicast MAC address for BPDUs ···················································································· 105
BPDU tunneling configuration examples ···················································································································· 106
BPDU tunneling for STP configuration example ······························································································· 106
BPDU tunneling for PVST configuration example ····························································································· 107
Configuring VLANs ················································································································································· 109
Overview ······································································································································································· 109
VLAN frame encapsulation ································································································································ 110
VLAN types ·························································································································································· 111
Protocols and standards ····································································································································· 111
Configuring basic VLAN settings································································································································ 111
Configuring basic settings of a VLAN interface ······································································································· 112
Configuration procedure ···································································································································· 112
Configuration example ······································································································································· 113
Configuring port-based VLANs ··································································································································· 114
Introduction to port-based VLAN ······················································································································· 114
Assigning an access port to a VLAN ················································································································ 115
Assigning a trunk port to a VLAN······················································································································ 116
Assigning a hybrid port to a VLAN ··················································································································· 117
Configuration example ······································································································································· 118
Configuring MAC-based VLANs ································································································································ 120
Introduction to MAC-based VLAN ····················································································································· 120
Configuration restrictions and guidelines ········································································································· 122
Configuration procedure ···································································································································· 123
Configuration example ······································································································································· 124
Configuring protocol-based VLANs ··························································································································· 127
Configuration procedure ···································································································································· 127
Configuring IP subnet-based VLANs ·························································································································· 128
Configuration procedure ···································································································································· 128
Configuration example ······································································································································· 129
Displaying and maintaining VLANs ··························································································································· 131
Configuring super VLANs ······································································································································· 133
Configuration procedure ············································································································································· 133
Configuring sub-VLANs ······································································································································· 133
Configuring a super VLAN ································································································································· 133
Configuring a VLAN interface for the super VLAN ························································································· 134
Displaying and maintaining super VLANs ················································································································ 134
Super VLAN configuration example ·························································································································· 134
Configuring isolate-user-VLANs ······························································································································ 138
Configuration restrictions and guidelines ·················································································································· 138
Configuration procedure ············································································································································· 139
Displaying and maintaining isolate-user-VLANs ······································································································· 140
Isolate-user-VLAN configuration example ·················································································································· 141
Configuration example for configuring the uplink port to permit multiple isolate-user-VLANs ···························· 143
Configuring voice VLANs ······································································································································· 147
Overview ······································································································································································· 147
OUI addresses ····················································································································································· 147
Voice VLAN assignment modes ························································································································· 147
