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Introduction to port-based VLAN ························································································································· 88
Port link type ·························································································································································· 88
Default VLAN ························································································································································· 89
Assigning an access port to a VLAN ·················································································································· 90
Assigning a trunk port to a VLAN························································································································ 91
Assigning a hybrid port to a VLAN ····················································································································· 92
Port-based VLAN configuration example ············································································································ 92
Network requirements ··········································································································································· 92
Configuration procedure ······································································································································ 93
Verification ····························································································································································· 93
Displaying and maintaining VLAN ······························································································································ 94
Isolate-user-VLAN configuration ································································································································ 95
Overview ········································································································································································· 95
Configuring an isolate-user-VLAN ································································································································ 95
Displaying and maintaining isolate-user-VLAN ··········································································································· 96
Isolate-user-VLAN configuration example ···················································································································· 97
Network requirements ··········································································································································· 97
Configuration procedure ······································································································································ 97
Verification ····························································································································································· 98
Layer 2 forwarding configuration ·························································································································· 100
Configuring general Layer 2 forwarding ·················································································································· 100
Working mechanism ··········································································································································· 100
Configuration procedure ···································································································································· 100
Displaying and maintaining general Layer 2 forwarding··············································································· 100
Configuring inline Layer 2 forwarding ······················································································································ 100
Configuration procedure ···································································································································· 101
Displaying and maintaining inline Layer 2 forwarding ·················································································· 101
Forward-type inline Layer 2 forwarding configuration example ···································································· 102
Blackhole-type inline Layer 2 forwarding configuration example ·································································· 102
Configuring inter-VLAN Layer 2 forwarding ············································································································· 102
Working mechanism ··········································································································································· 102
Configuration procedure ···································································································································· 103
Displaying and maintaining inter-VLAN Layer 2 forwarding ········································································· 105
Inter-VLAN Layer 2 forwarding configuration example ·················································································· 106
MAC address table configuration ························································································································· 108
Overview ······································································································································································· 108
How a MAC address table entry is created ····································································································· 108
Types of MAC address table entries ················································································································· 109
MAC address table-based frame forwarding ·································································································· 109
Configuring the MAC address table ·························································································································· 109
Configuring static, dynamic, and blackhole MAC address table entries ····················································· 109
Configuring the aging timer for dynamic MAC address entries ···································································· 110
Displaying and maintaining MAC address tables ··································································································· 111
MAC address table configuration example ·············································································································· 111
ARP configuration ··················································································································································· 113
ARP overview ································································································································································ 113
ARP function ························································································································································· 113
ARP message format ··········································································································································· 113
Operation of ARP ················································································································································ 114
ARP table ······························································································································································ 115
Configuring ARP ··························································································································································· 115
