R3303-HP HSR6800 Routers Layer 3 - IP Services Configuration Guide
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Configuration guidelines ···································································································································· 243
Configuration procedure ···································································································································· 243
Configuration example ······································································································································· 244
Configuring an IPv4 over IPv4 tunnel ························································································································ 246
Configuration prerequisites ································································································································ 246
Configuration guidelines ···································································································································· 247
Configuration procedure ···································································································································· 247
Configuration example ······································································································································· 248
Configuring an IPv4 over IPv6 manual tunnel ··········································································································· 250
Configuration prerequisites ································································································································ 250
Configuration guidelines ···································································································································· 251
Configuration procedure ···································································································································· 251
Configuration example ······································································································································· 251
Configuring an IPv6 over IPv6 tunnel ························································································································ 254
Configuration prerequisites ································································································································ 254
Configuration guidelines ···································································································································· 254
Configuration procedure ···································································································································· 255
Configuration example ······································································································································· 256
Displaying and maintaining tunneling ······················································································································· 259
Troubleshooting tunneling configuration ··················································································································· 259
Symptom ······························································································································································· 259
Solution ································································································································································· 259
Configuring GRE ····················································································································································· 260
Overview ······································································································································································· 260
GRE encapsulation format ·································································································································· 260
GRE encapsulation and de-encapsulation ········································································································ 261
GRE security features ·········································································································································· 261
GRE application scenarios ································································································································· 262
Protocols and standards ····································································································································· 263
Configuring a GRE over IPv4 tunnel ·························································································································· 263
Configuration guidelines ···································································································································· 263
Configuration prerequisites ································································································································ 264
Configuration procedure ···································································································································· 264
Configuring a GRE over IPv6 tunnel ·························································································································· 265
Configuration guidelines ···································································································································· 265
Configuration prerequisites ································································································································ 266
Configuration procedure ···································································································································· 266
Displaying GRE ···························································································································································· 267
GRE over IPv4 tunnel configuration example ············································································································ 267
GRE over IPv6 tunnel configuration example ············································································································ 270
Troubleshooting GRE ··················································································································································· 273
Configuring a point-to-multipoint GRE tunnel ········································································································ 274
Overview ······································································································································································· 274
How a P2MP GRE tunnel operates ···················································································································· 274
GRE tunnel backup at a branch ························································································································· 276
GRE tunnel backup at the headquarters ··········································································································· 276
Advantages and restrictions of the P2MP GRE tunnel technology ································································· 277
Configuring a P2MP GRE tunnel ································································································································ 277
Configuration prerequisites ································································································································ 278
Configuration procedure ···································································································································· 278
Displaying and maintaining P2MP GRE tunnels ······································································································· 279
Basic P2MP GRE tunnel configuration example ······································································································· 280
Network requirements ········································································································································· 280