vi
Setting the age timer for ND entries in stale state ··························································································· 145
Configuring parameters related to RA messages ···························································································· 145
Configuring the maximum number of attempts to send an NS message for DAD ······································· 148
Configuring ND snooping ·································································································································· 148
Enabling ND proxy ············································································································································· 150
Configuring path MTU discovery ······························································································································· 152
Configuring the interface MTU ·························································································································· 152
Configuring a static path MTU for a specific IPv6 address ············································································ 152
Configuring the aging time for dynamic path MTUs ······················································································· 152
Configuring IPv6 TCP properties ································································································································ 153
Configuring IPv6 FIB load sharing ····························································································································· 153
Configuring ICMPv6 packet sending ························································································································· 154
Configuring the maximum ICMPv6 error packets sent in an interval ···························································· 154
Enabling replying to multicast echo requests ··································································································· 154
Enabling sending ICMPv6 time exceeded messages ······················································································ 155
Enabling sending ICMPv6 destination unreachable messages ······································································ 155
Enabling a device to discard IPv6 packets that contain extension headers ·························································· 156
Displaying and maintaining IPv6 basics configuration ···························································································· 156
IPv6 basics configuration example ···························································································································· 158
Network requirements ········································································································································· 158
Configuration procedure ···································································································································· 158
Verifying the configuration ································································································································· 160
Troubleshooting IPv6 basics configuration ················································································································ 163
Symptom ······························································································································································· 163
Solution ································································································································································· 163
DHCPv6 overview ··················································································································································· 164
Introduction to DHCPv6 ··············································································································································· 164
Basic concepts ······························································································································································ 164
DHCPv6 multicast addresses ······························································································································ 164
DUID ····································································································································································· 164
IA ··········································································································································································· 165
IAID ······································································································································································· 165
Binding ································································································································································· 165
PD ·········································································································································································· 165
DHCPv6 address/prefix assignment ·························································································································· 165
Rapid assignment involving two messages······································································································· 165
Assignment involving four messages ················································································································· 166
Address/prefix lease renewal ···································································································································· 166
Protocols and standards ·············································································································································· 167
Configuring DHCPv6 server ··································································································································· 168
Overview ······································································································································································· 168
Application environment ····································································································································· 168
DHCPv6 address pool ········································································································································ 168
Prefix selection process ······································································································································· 169
Address selection process ·································································································································· 169
DHCPv6 server configuration task list ························································································································ 169
Enabling the DHCPv6 server ······································································································································ 170
Configuring the DHCPv6 server to assign IPv6 prefixes to DHCPv6 clients ·························································· 170
Configuration guidelines ···································································································································· 170
Configuration procedure ···································································································································· 170
Configuring the DHCPv6 server to assign IPv6 addresses to DHCPv6 clients ······················································ 171
Configuration guidelines ···································································································································· 171
Configuration procedure ···································································································································· 172
