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H3C Technologies H3C S10500 Series Switches User Manual

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Configuring TCP attributes ············································································································································ 90

Configuring TCP path MTU discovery················································································································· 90

Configuring the TCP send/receive buffer size ··································································································· 91

Configuring TCP timers········································································································································· 92

Configuring ICMP to send error packets ····················································································································· 92

Introduction ···························································································································································· 92

Configuration procedure ······································································································································ 93

Enabling support for ICMP extensions························································································································· 94

Introduction ···························································································································································· 94

Configuration procedure ······································································································································ 95

Displaying and maintaining IP performance optimization ························································································ 95

UDP Helper configuration··········································································································································97

Introduction to UDP Helper ··········································································································································· 97

Configuring UDP Helper················································································································································ 97

Displaying and maintaining UDP Helper ···················································································································· 98

UDP Helper configuration example······························································································································ 98

IPv6 basics configuration········································································································································ 100

IPv6 overview ·······························································································································································100

IPv6 features·························································································································································100

IPv6 addresses·····················································································································································101

IPv6 neighbor discovery protocol······················································································································104

IPv6 PMTU discovery ··········································································································································107

IPv6 transition technologies································································································································107

Protocols and standards ·····································································································································108

IPv6 basics configuration task list·······························································································································108

Configuring basic IPv6 functions································································································································109

Enabling IPv6·······················································································································································109

Configuring an IPv6 global unicast address ····································································································109

Configuring an IPv6 link-local address ·············································································································111

Configure an IPv6 anycast address···················································································································113

Configuring IPv6 ND ···················································································································································113

Configuring a static neighbor entry ··················································································································113

Configuring the maximum number of neighbors dynamically learned ·························································114

Setting the age timer for ND entries in stale state ···························································································114

Configuring parameters related to RA messages ····························································································114

Configuring the maximum number of attempts to send an NS message for DAD·······································117

Configuring PMTU discovery ······································································································································117

Configuring a static PMTU for a specified IPv6 address ················································································117

Configuring the aging time for dynamic PMTUs······························································································118

Configuring IPv6 TCP properties ································································································································118

Configuring ICMPv6 packet sending·························································································································119

Configuring the maximum ICMPv6 error packets sent in an interval ····························································119

Enabling replying to multicast echo requests ···································································································119

Enabling sending of ICMPv6 time exceeded messages ·················································································119

Enabling sending of ICMPv6 destination unreachable messages ·································································120

Displaying and maintaining IPv6 basics configuration····························································································121

IPv6 basics configuration example ····························································································································122

Troubleshooting IPv6 basics configuration················································································································127

DHCPv6 overview··················································································································································· 128

Introduction to DHCPv6···············································································································································128

DHCPv6 address/prefix assignment··························································································································128

Rapid assignment involving two messages·······································································································128

Assignment involving four messages·················································································································129