R21xx-HP FlexFabric 11900 Layer 3 IP Services Configuration Guide

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Dynamic IPv6 prefix assignment configuration example ················································································ 163
Dynamic IPv6 address assignment configuration example ············································································· 166
Configuring the DHCPv6 relay agent ···················································································································· 168
Configuration guidelines ············································································································································· 169
Configuration procedure ············································································································································· 169
Displaying and maintaining the DHCPv6 relay agent ····························································································· 169
DHCPv6 relay agent configuration example ············································································································ 170
Network requirements ········································································································································· 170
Configuration procedure ···································································································································· 170
Verifying the configuration ································································································································· 171
Configuring tunneling ············································································································································· 172
Overview ······································································································································································· 172
IPv6 over IPv4 tunneling ····································································································································· 172
IPv4 over IPv4 tunneling ····································································································································· 175
IPv4 over IPv6 tunneling ····································································································································· 175
IPv6 over IPv6 tunneling ····································································································································· 176
Protocols and standards ····································································································································· 177
Tunneling configuration task list ································································································································· 177
Configuring a tunnel interface ···································································································································· 178
Configuring an IPv6 over IPv4 manual tunnel ··········································································································· 179
Configuration example ······································································································································· 180
Configuring a 6to4 tunnel ··········································································································································· 182
6to4 tunnel configuration example ··················································································································· 183
Configuring an ISATAP tunnel ···································································································································· 185
Configuration example ······································································································································· 186
Configuring an IPv4 over IPv4 tunnel ························································································································ 189
Configuration example ······································································································································· 190
Configuring an IPv4 over IPv6 tunnel ························································································································ 192
Configuration example ······································································································································· 193
Configuring an IPv6 over IPv6 tunnel ························································································································ 195
Configuration example ······································································································································· 196
Displaying and maintaining tunneling configuration ······························································································· 198
Troubleshooting tunneling configuration ··················································································································· 199
Symptom ······························································································································································· 199
Analysis ································································································································································ 199
Solution ································································································································································· 199
Configuring GRE ····················································································································································· 200
Overview ······································································································································································· 200
GRE encapsulation format ·································································································································· 200
GRE encapsulation and de-encapsulation ········································································································ 201
Protocols and standards ····································································································································· 201
Configuring a GRE over IPv4 tunnel ·························································································································· 202