R0106-HP MSR Router Series Layer 3 - IP Services Configuration Guide(V7)

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Analysis ································································································································································ 297
Solution ································································································································································· 297
Configuring GRE ····················································································································································· 298
Overview ······································································································································································· 298
GRE encapsulation format ·································································································································· 298
GRE tunnel operating principle ·························································································································· 298
GRE security mechanisms ··································································································································· 299
GRE application scenarios ································································································································· 299
Protocols and standards ····································································································································· 301
Configuring a GRE over IPv4 tunnel ·························································································································· 302
Configuring a GRE over IPv6 tunnel ·························································································································· 304
Displaying and maintaining GRE ······························································································································· 305
GRE configuration examples ······································································································································ 306
GRE over IPv4 tunnel configuration example ··································································································· 306
GRE over IPv6 tunnel configuration example ··································································································· 308
Troubleshooting GRE ··················································································································································· 311
Symptom ······························································································································································· 311
Analysis ································································································································································ 311
Solution ································································································································································· 311
Configuring ADVPN ··············································································································································· 312
Overview ······································································································································································· 312
ADVPN structures ················································································································································ 312
How ADVPN operates ········································································································································ 314
ADVPN configuration task list ····································································································································· 317
Configuring AAA ························································································································································· 317
Configuring the VAM server ······································································································································· 317
Creating an ADVPN domain ····························································································································· 318
Enabling the VAM server ···································································································································· 318
Configuring a pre-shared key for the VAM server ··························································································· 318
Configuring hub groups ····································································································································· 319
Configuring the port number of the VAM server ····························································································· 321
Specifying authentication and encryption algorithms for the VAM server ···················································· 321
Configuring an authentication method ············································································································· 322
Configuring keepalive parameters ···················································································································· 322
Configuring the retry timer ································································································································· 323
Configuring the VAM client ········································································································································ 323
Creating a VAM client ········································································································································ 323
Enabling VAM clients ·········································································································································· 323
Specifying VAM servers ····································································································································· 324
Specifying an ADVPN domain for a VAM client ····························································································· 324
Specifying a pre-shared key for a VAM client ································································································· 324
Setting the retry timer and retry times for a VAM client ·················································································· 325
Setting the dumb timer for a VAM client··········································································································· 325
Configuring a username and password for a VAM client ·············································································· 325
Configuring an ADVPN tunnel interface ··················································································································· 326
Configuring routing ······················································································································································ 328
Configuring IPsec for ADVPN tunnels ························································································································ 328
Displaying and maintaining ADVPN ························································································································· 328
ADVPN configuration examples ································································································································· 329
IPv4 full-mesh ADVPN configuration example ································································································· 329
IPv6 full-mesh ADVPN configuration example ································································································· 337
IPv4 hub-spoke ADVPN configuration example ······························································································· 345
IPv6 hub-spoke ADVPN configuration example ······························································································· 353