vii
Option 18 ······················································································································· 175
Option 37 ······················································································································· 176
Protocols and standards ·········································································································· 177
Configuring the DHCPv6 server ······················································ 178
About DHCPv6 server ············································································································· 178
IPv6 address assignment ·································································································· 178
IPv6 prefix assignment ····································································································· 178
Concepts ······················································································································· 179
DHCPv6 address pool ······································································································ 179
IPv6 address/prefix allocation sequence ··············································································· 180
DHCPv6 server tasks at a glance ······························································································ 181
Configuring IPv6 prefix assignment ···························································································· 181
Configuring IPv6 address assignment ························································································ 183
Configuring network parameters assignment ··············································································· 184
About network parameters assignment ················································································ 184
Configuring network parameters in a DHCPv6 address pool ····················································· 184
Configuring network parameters in a DHCPv6 option group ····················································· 185
Configuring the DHCPv6 server on an interface ············································································ 186
Configuring a DHCPv6 policy for IPv6 address and prefix assignment ··············································· 187
Setting the DSCP value for DHCPv6 packets sent by the DHCPv6 server ·········································· 188
Configuring DHCPv6 binding auto backup ··················································································· 188
Enabling the DHCPv6 server to advertise IPv6 prefixes ·································································· 189
Enabling DHCPv6 logging on the DHCPv6 server ········································································· 189
Display and maintenance commands for DHCPv6 server ······························································· 190
DHCPv6 server configuration examples ······················································································ 191
Example: Configuring dynamic IPv6 prefix assignment ···························································· 191
Example: Configuring dynamic IPv6 address assignment ························································· 193
Configuring the DHCPv6 relay agent ················································ 196
About DHCPv6 relay agent ······································································································ 196
Typical application ··········································································································· 196
DHCPv6 relay agent operating process ················································································ 196
DHCPv6 relay agent tasks at a glance ························································································ 197
Enabling the DHCPv6 relay agent on an interface ········································································· 197
Specifying DHCPv6 servers on the relay agent ············································································ 198
Specifying DHCPv6 server IP addresses ·············································································· 198
Specifying DHCPv6 servers for a DHCPv6 address pool on the DHCPv6 relay agent ···················· 198
Specifying a gateway address for DHCPv6 clients ········································································ 199
Setting the DSCP value for DHCPv6 packets sent by the DHCPv6 relay agent ··································· 199
Specifying a padding mode for the Interface-ID option ··································································· 200
Enabling the DHCPv6 relay agent to advertise IPv6 prefixes ··························································· 200
Configuring DHCPv6 relay security features ················································································ 200
Enabling the DHCPv6 relay agent to record relay entries ························································· 200
Enabling IPv6 release notification ······················································································· 201
Enabling client offline detection ·························································································· 201
Display and maintenance commands for DHCPv6 relay agent ························································· 202
DHCPv6 relay agent configuration examples ··············································································· 202
Example: Configuring DHCPv6 relay agent ··········································································· 202
Configuring the DHCPv6 client ························································ 205
About the DHCPv6 client ········································································································· 205
Restrictions and guidelines: DHCPv6 client configuration ······························································· 205
DHCPv6 client tasks at a glance ······························································································· 205
Configuring the DHCPv6 client DUID ························································································· 205
Configuring IPv6 address acquisition ·························································································· 206
Configuring IPv6 prefix acquisition ····························································································· 206
Configuring IPv6 address and prefix acquisition ············································································ 206
Configuring acquisition of configuration parameters except IP addresses and prefixes ·························· 207
Setting the DSCP value for DHCPv6 packets sent by the DHCPv6 client ··········································· 207
Display and maintenance commands for DHCPv6 client ································································· 208
DHCPv6 client configuration examples ······················································································· 208
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