Configuration guidelines ···································································································································· 174
Configuration procedure ···································································································································· 174
Configuration example ······································································································································· 175
Configuration prerequisites ································································································································ 178
Configuration guidelines ···································································································································· 178
Configuration procedure ···································································································································· 178
Configuration example ······································································································································· 179
Configuration prerequisites ································································································································ 182
Configuration guidelines ···································································································································· 182
Configuration procedure ···································································································································· 183
Configuration example ······································································································································· 184
Configuring GRE ····················································································································································· 189
Overview······································································································································································· 189
GRE encapsulation format ·································································································································· 189
Protocols and standards ····································································································································· 190
Configuration prerequisites ································································································································ 191
Configuration procedure ···································································································································· 191
Configuration prerequisites ································································································································ 193
Configuration procedure ···································································································································· 193
Displaying and maintaining GRE ······························································································································· 194
Troubleshooting GRE ··················································································································································· 201
Support and other resources ·································································································································· 202
Contacting HP ······························································································································································ 202
Subscription service ············································································································································ 202
Related information ······················································································································································ 202
Documents ···························································································································································· 202
Websites ······························································································································································ 202
Conventions ·································································································································································· 203
Index ········································································································································································ 205
vii