HP 6125XLG Configuration Manual page 9

Configuration example ······································································································································· 180
Displaying and maintaining tunneling configuration ······························································································· 182
Troubleshooting tunneling configuration ··················································································································· 182
Symptom ······························································································································································· 182
Analysis ································································································································································ 182
Solution ································································································································································· 182
Configuring GRE ····················································································································································· 184
Overview ······································································································································································· 184
GRE encapsulation format ·································································································································· 184
GRE encapsulation and de-encapsulation ········································································································ 185
Protocols and standards ····································································································································· 185
Configuring a GRE over IPv4 tunnel ·························································································································· 185
Configuration prerequisites ································································································································ 186
Configuration procedure ···································································································································· 186
Configuring a GRE over IPv6 tunnel ·························································································································· 188
Configuration prerequisites ································································································································ 188
Configuration procedure ···································································································································· 188
Displaying and maintaining GRE ······························································································································· 189
GRE configuration examples ······································································································································ 190
GRE over IPv4 configuration example ·············································································································· 190
GRE over IPv6 configuration example ·············································································································· 193
Troubleshooting GRE ··················································································································································· 196
Support and other resources ·································································································································· 197
Contacting HP ······························································································································································ 197
Subscription service ············································································································································ 197
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Documents ···························································································································································· 197
Websites ······························································································································································· 197
Conventions ·································································································································································· 198
Index ········································································································································································ 200
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