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ARP packet source MAC address consistency check ······················································································ 149
Configuring ARP detection ·········································································································································· 149
Configuring other ARP attack protection functions ··································································································· 150
IGMP snooping configuration ································································································································ 152
Overview ······································································································································································· 152
Recommended configuration procedure···················································································································· 153
Enabling IGMP snooping globally ····························································································································· 153
Configuring IGMP snooping on a VLAN ··················································································································· 154
Configuring IGMP snooping on a port ······················································································································ 155
Displaying IGMP snooping multicast entry information ··························································································· 157
IGMP snooping configuration examples ··················································································································· 158
IPv4 and IPv6 routing configuration ······················································································································ 163
Overview ······································································································································································· 163
Displaying the IPv4 active route table ······················································································································· 163
Creating an IPv4 static route ······································································································································· 164
Displaying the IPv6 active route table ······················································································································· 165
Creating an IPv6 static route ······································································································································· 166
IPv4 static route configuration example ····················································································································· 167
IPv6 static route configuration example ····················································································································· 168
Configuration guidelines ············································································································································· 170
DHCP overview ······················································································································································· 172
Introduction to DHCP snooping ························································································································· 172
Recommended configuration procedure (for DHCP server) ···················································································· 173
Enabling DHCP ···························································································································································· 174
Creating a static address pool for the DHCP server ································································································ 175
Creating a dynamic address pool for the DHCP server ·························································································· 176
Enabling the DHCP server on an interface ················································································································ 178
Displaying information about assigned IP addresses ······························································································· 178
Recommended configuration procedure (for DHCP relay agent) ··········································································· 179
Enabling DHCP and configuring advanced parameters for the DHCP relay agent ············································· 180
Creating a DHCP server group ·································································································································· 182
Enabling the DHCP relay agent on an interface ······································································································ 183
Configuring and displaying clients' IP-to-MAC bindings ························································································· 184
Recommended configuration procedure (for DHCP snooping) ··············································································· 185
Enabling DHCP snooping ··········································································································································· 185
Configuring DHCP snooping functions on an interface ··························································································· 186
Displaying clients' IP-to-MAC bindings ······················································································································ 187
DHCP server configuration example ·························································································································· 188
DHCP relay agent configuration example ················································································································· 190
DHCP snooping configuration example ···················································································································· 192
DNS configuration ·················································································································································· 195
Overview ······································································································································································· 195
Static domain name resolution ··························································································································· 195
Dynamic domain name resolution ····················································································································· 195
DNS proxy ··························································································································································· 195
Recommended configuration procedure···················································································································· 195
Configuring static name resolution table ·········································································································· 195
Configuring dynamic domain name resolution ································································································ 196
Configuring DNS proxy ······································································································································ 196
Configuring static name resolution table ··················································································································· 196
Configuring dynamic domain name resolution ········································································································ 197
Configuring DNS proxy ·············································································································································· 198
