R211x-HP Flexfabric 11900 Layer 3 - IP Services Configuration Guide

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DHCPv6 relay agent configuration example ············································································································ 173
Network requirements ········································································································································· 173
Configuration procedure ···································································································································· 173
Verifying the configuration ································································································································· 173
Configuring DHCPv6 snooping ····························································································································· 175
Overview ······································································································································································· 175
Application of trusted and untrusted ports ········································································································ 175
HP implementation of Option 18 and Option 37 ···································································································· 176
Option 18 for DHCPv6 snooping ······················································································································ 176
DHCPv6 snooping support for Option 37 ········································································································ 177
DHCPv6 snooping configuration task list ·················································································································· 177
Configuring basic DHCPv6 snooping ························································································································ 178
Configuring Option 18 and Option 37 ···················································································································· 178
Saving DHCPv6 snooping entries ······························································································································ 179
Setting the maximum number of DHCPv6 snooping entries ···················································································· 180
Enabling DHCPv6-REQUEST check ···························································································································· 180
Configuring DHCPv6 packet rate limit ······················································································································ 181
Displaying and maintaining DHCPv6 snooping ······································································································· 181
DHCPv6 snooping configuration example ················································································································ 182
Network requirements ········································································································································· 182
Configuration procedure ···································································································································· 182
Verifying the configuration ································································································································· 183
Configuring tunneling ············································································································································· 184
Overview ······································································································································································· 184
IPv6 over IPv4 tunneling ····································································································································· 184
IPv4 over IPv4 tunneling ····································································································································· 186
IPv4 over IPv6 tunneling ····································································································································· 187
IPv6 over IPv6 tunneling ····································································································································· 188
Protocols and standards ····································································································································· 189
Tunneling configuration task list ································································································································· 189
Configuring a tunnel interface ···································································································································· 190
Configuring an IPv6 over IPv4 manual tunnel ··········································································································· 191
Configuration example ······································································································································· 192
Configuring a 6to4 tunnel ··········································································································································· 194
Configuration example ······································································································································· 195
Configuring an ISATAP tunnel ···································································································································· 197
Configuration example ······································································································································· 198
Configuring an IPv4 over IPv4 tunnel ························································································································ 200
Configuration example ······································································································································· 201
Configuring an IPv4 over IPv6 tunnel ························································································································ 203
Configuration example ······································································································································· 204
Configuring an IPv6 over IPv6 tunnel ························································································································ 206
Configuration example ······································································································································· 208
Displaying and maintaining tunneling configuration ······························································································· 210
Troubleshooting tunneling configuration ··················································································································· 210
Symptom ······························································································································································· 210
Analysis ································································································································································ 210
Solution ································································································································································· 210
Configuring GRE ····················································································································································· 211
Overview ······································································································································································· 211
GRE encapsulation format ·································································································································· 211
GRE tunnel operating principle ·························································································································· 212
Protocols and standards ····································································································································· 212