iii
Adding a mirroring group ·································································································································· 100
Configuring ports for a mirroring group ··········································································································· 101
Configuration examples ·············································································································································· 102
Configuration guidelines ············································································································································· 104
User management ··················································································································································· 105
Creating a user ····························································································································································· 105
Setting the super password ········································································································································· 106
Switching the user access level to the management level ······················································································· 107
SNMP configuration ··············································································································································· 108
SNMP overview···························································································································································· 108
SNMP configuration task list ······································································································································· 108
Enabling SNMP ··················································································································································· 109
Configuring an SNMP view ········································································································································ 111
Creating an SNMP view····································································································································· 111
Adding rules to an SNMP view ························································································································· 112
Configuring an SNMP community ····················································································································· 113
Configuring an SNMP group ····························································································································· 114
Configuring an SNMP user ································································································································ 116
Configuring SNMP trap function ······················································································································· 118
Displaying SNMP packet statistics ····························································································································· 119
SNMP configuration example ···································································································································· 120
Loopback ································································································································································· 126
Loopback operation ····················································································································································· 126
Configuration guidelines ············································································································································· 127
MAC address configuration ··································································································································· 128
Overview ······································································································································································· 128
Configuring a MAC address entry ····························································································································· 129
Setting the aging time of MAC address entries ······························································································· 130
MAC address configuration example ························································································································ 131
VLAN configuration ················································································································································ 133
Overview ······································································································································································· 133
Recommended configuration procedure···················································································································· 133
Creating a VLAN·························································································································································· 133
Modifying a VLAN ······················································································································································· 134
Modifying a port ·························································································································································· 135
VLAN configuration examples ···································································································································· 137
Configuration guidelines ············································································································································· 140
ARP configuration ··················································································································································· 141
Overview ······································································································································································· 141
Introduction to ARP ·············································································································································· 141
Introduction to gratuitous ARP ···························································································································· 141
Displaying ARP entries ················································································································································· 141
Creating a static ARP entry ········································································································································· 142
Removing ARP entries ·················································································································································· 143
Configuring gratuitous ARP ········································································································································· 143
Static ARP configuration example ······························································································································ 144
ARP attack protection configuration ······················································································································ 148
ARP detection ······················································································································································· 148
Source MAC address based ARP attack detection ·························································································· 148
ARP active acknowledgement ···························································································································· 148
