Network requirements ········································································································································· 130
Configuration procedure ···································································································································· 131
Verifying the configuration ································································································································· 131
Symptom ······························································································································································· 135
Solution ································································································································································· 135
DHCPv6 overview ··················································································································································· 136
Address/prefix lease renewal ···································································································································· 137
Stateless DHCPv6 ························································································································································· 138
Protocols and standards ·············································································································································· 138
Configuring the DHCPv6 server ····························································································································· 139
Overview ······································································································································································· 139
IPv6 address assignment ···································································································································· 139
IPv6 prefix assignment ········································································································································ 139
Concepts······························································································································································· 140
DHCPv6 address pool ········································································································································ 141
Configuration task list ·················································································································································· 142
Configuration guidelines ···································································································································· 142
Configuration procedure ···································································································································· 143
Configuration guidelines ···································································································································· 144
Configuration procedure ···································································································································· 144
Configuration guidelines ···································································································································· 146
Configuration procedure ···································································································································· 146
Configuring tunneling ············································································································································· 152
Overview ······································································································································································· 152
IPv6 over IPv4 tunneling ····································································································································· 152
IPv4 over IPv4 tunneling ····································································································································· 154
IPv4 over IPv6 tunneling ····································································································································· 155
IPv6 over IPv6 tunneling ····································································································································· 156
Protocols and standards ····································································································································· 157
Tunneling configuration task list ································································································································· 157
Configuring a tunnel interface ···································································································································· 157
Configuration example ······································································································································· 159
Configuring a 6to4 tunnel ··········································································································································· 161
Configuring an ISATAP tunnel ···································································································································· 164
Configuration example ······································································································································· 165
Configuration example ······································································································································· 168
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