Configuration procedure ············································································································································· 140
Network requirements ········································································································································· 141
Configuration procedure ···································································································································· 142
Verifying the configuration ································································································································· 142
Configuring DHCPv6 client ···································································································································· 144
Configuration prerequisites ········································································································································· 144
Configuration procedure ············································································································································· 144
Network requirements ········································································································································· 145
Configuration procedure ···································································································································· 145
Verifying the configuration ································································································································· 146
Configuring IPv6 DNS ············································································································································ 147
Configuring the IPv6 DNS client ································································································································ 147
IPv6 DNS configuration examples ····························································································································· 149
Configuring tunneling ············································································································································· 155
Overview······································································································································································· 155
IPv6 over IPv4 tunneling ····································································································································· 155
IPv4 over IPv4 tunneling ····································································································································· 157
IPv4 over IPv6 tunneling ····································································································································· 158
IPv6 over IPv6 tunneling ····································································································································· 159
Protocols and standards ····································································································································· 159
Tunneling configuration task list ································································································································· 160
Configuring a tunnel interface ···································································································································· 160
Configuration prerequisites ································································································································ 160
Configuration guidelines ···································································································································· 160
Configuration procedure ···································································································································· 161
Configuration prerequisites ································································································································ 162
Configuration guidelines ···································································································································· 162
Configuration procedure ···································································································································· 162
Configuration example ······································································································································· 163
Configuring a 6to4 tunnel ··········································································································································· 166
Configuration prerequisites ································································································································ 166
Configuration guidelines ···································································································································· 166
Configuration procedure ···································································································································· 166
Configuration example ······································································································································· 167
Configuring an ISATAP tunnel ···································································································································· 170
Configuration prerequisites ································································································································ 170
Configuration guidelines ···································································································································· 170
Configuration procedure ···································································································································· 170
Configuration example ······································································································································· 171
Configuration prerequisites ································································································································ 174
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