H3C Technologies H3C S12500 Series Switches - Manual (Page 10)

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Configuring DDNS ····················································································································································· 80
Overview ········································································································································································· 80
DDNS application ················································································································································· 80
DDNS client configuration task list ······························································································································· 81
Configuring a DDNS policy ·········································································································································· 81
Configuration prerequisites ·································································································································· 82
Configuration procedure ······································································································································ 82
Applying the DDNS policy to an interface ·················································································································· 83
Displaying DDNS ··························································································································································· 84
DDNS configuration examples ····································································································································· 84
DDNS configuration example 1 ·························································································································· 84
DDNS configuration example 2 ·························································································································· 85
Basic IP forwarding on the device ···························································································································· 87
FIB table ·········································································································································································· 87
Displaying FIB table entries ··········································································································································· 87
Configuring adjacency table····································································································································· 89
Adjacency table ····························································································································································· 89
Displaying the adjacency table ···································································································································· 90
Optimizing IP performance ······································································································································· 91
Enabling an interface to receive and forward directed broadcasts destined for the directly connected network91
Configuration procedure ······································································································································ 91
Configuration example ········································································································································· 92
Configuring MTU for an interface ································································································································ 93
Configuring TCP MSS for an interface ························································································································ 93
Configuring TCP path MTU discovery ························································································································· 93
Enabling TCP SYN Cookie ············································································································································ 94
Configuring the TCP buffer size ···································································································································· 95
Configuring TCP timers ·················································································································································· 95
Enabling sending ICMP error packets ························································································································· 96
Functions of sending ICMP error packets ··········································································································· 96
Disadvantages of sending ICMP error packets ·································································································· 96
Configuration procedure ······································································································································ 97
Disabling forwarding ICMP fragments ························································································································ 97
Enabling ICMP flow control ·········································································································································· 97
Displaying and maintaining IP performance optimization ························································································ 98
Configuring UDP helper·········································································································································· 100
Overview ······································································································································································· 100
Configuration guidelines ············································································································································· 100
Configuration procedure ············································································································································· 100
Displaying and maintaining UDP helper ··················································································································· 101
UDP helper configuration example ···························································································································· 101
Network requirements ········································································································································· 101
Configuration procedure ···································································································································· 101
Verifying the configuration ································································································································· 102
Configuring basic IPv6 settings ······························································································································ 103
Overview ······································································································································································· 103
IPv6 features ························································································································································· 103
IPv6 addresses ····················································································································································· 104
IPv6 ND protocol ················································································································································· 107
IPv6 path MTU discovery ···································································································································· 109
IPv6 transition technologies ········································································································································· 109