R2511-HP MSR Router Series Layer 3 - IP Services Configuration Guide(V5)

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Troubleshooting GRE ··················································································································································· 257
Configuring IPv6 basics ·········································································································································· 258
Overview ······································································································································································· 258
IPv6 features ························································································································································· 258
IPv6 addresses ····················································································································································· 259
IPv6 neighbor discovery protocol ······················································································································ 262
IPv6 path MTU discovery ···································································································································· 265
IPv6 transition technologies ································································································································ 265
Protocols and standards ····································································································································· 266
IPv6 basics configuration task list ······························································································································· 267
Configuring basic IPv6 functions ································································································································ 268
Enabling IPv6 ······················································································································································· 268
Configuring an IPv6 global unicast address ···································································································· 268
Configuring an IPv6 link-local address ············································································································· 269
Configure an IPv6 anycast address ··················································································································· 270
Configuring IPv6 ND ··················································································································································· 271
Configuring a static neighbor entry ·················································································································· 271
Configuring the maximum number of neighbors dynamically learned ························································· 271
Setting the age timer for ND entries in stale state ··························································································· 272
Configuring parameters related to RA messages ···························································································· 272
Configuring the maximum number of attempts to send an NS message for DAD ······································· 274
Enabling local ND proxy ···································································································································· 275
Configuring path MTU discovery ······························································································································· 276
Configuring the interface MTU ·························································································································· 276
Configuring a static path MTU for a specified IPv6 address ·········································································· 276
Configuring the aging time for dynamic path MTUs ······················································································· 277
Configuring IPv6 TCP properties ································································································································ 277
Configuring IPv6 FIB load sharing ····························································································································· 278
Configuring ICMPv6 packet sending ························································································································· 278
Configuring the maximum ICMPv6 error packets sent in an interval ···························································· 278
Enabling replying to multicast echo requests ··································································································· 279
Enabling sending ICMPv6 time exceeded messages ······················································································ 279
Enabling sending ICMPv6 destination unreachable messages ······································································ 279
Enabling sending ICMPv6 redirect messages ·································································································· 280
Displaying and maintaining IPv6 basics configuration ···························································································· 281
IPv6 basics configuration example ···························································································································· 282
Network requirements ········································································································································· 282
Configuration procedure ···································································································································· 282
Verifying the configuration ································································································································· 283
Troubleshooting IPv6 basics configuration ················································································································ 287
Symptom ······························································································································································· 287
Solution ································································································································································· 287
DHCPv6 overview ··················································································································································· 288
Basic concepts ······························································································································································ 288
DHCPv6 address/prefix assignment ·························································································································· 289
Rapid assignment involving two messages······································································································· 289
Assignment involving four messages ················································································································· 289
Address/prefix lease renewal ···································································································································· 290
Stateless DHCPv6 configuration ································································································································· 291
Protocols and standards ·············································································································································· 291
Configuring the DHCPv6 server ····························································································································· 292
Overview ······································································································································································· 292
DHCPv6 address pool ········································································································································ 292