H3C MSR 2600 Configuration Manual page 11

Applying the DDNS policy to an interface ················································································································ 107
Specifying the DSCP value for outgoing DDNS packets ························································································· 107
Displaying DDNS ························································································································································· 108
DDNS configuration examples ··································································································································· 108
DDNS configuration example with www.3322.org ······················································································· 108
DDNS configuration example with PeanutHull server ····················································································· 109
Configuring NAT ····················································································································································· 111
Terminology ·································································································································································· 111
NAT device ·························································································································································· 111
NAT interface ······················································································································································ 111
NAT address ························································································································································ 112
NAT entry ····························································································································································· 112
NAT types ····································································································································································· 112
Traditional NAT ··················································································································································· 112
Bidirectional NAT ················································································································································ 112
Twice NAT ··························································································································································· 112
Easy IP ·································································································································································· 112
NAT translation control ··············································································································································· 112
NAT features ································································································································································· 113
Static NAT ···························································································································································· 113
Dynamic NAT ······················································································································································ 113
NAT Server ·························································································································································· 114
NAT hairpin ························································································································································· 115
NAT entries ··································································································································································· 116
NAT session entry················································································································································ 116
EIM entry ······························································································································································ 116
NO-PAT entry ······················································································································································· 116
Using NAT with other features ···································································································································· 116
NAT with MPLS VPNs ········································································································································· 116
NAT with DNS mapping ···································································································································· 117
NAT with ALG ····················································································································································· 117
NAT configuration task list ·········································································································································· 118
Configuring static NAT ················································································································································ 118
Configuration prerequisites ································································································································ 118
Configuring outbound one-to-one static NAT ··································································································· 118
Configuring outbound net-to-net static NAT ····································································································· 119
Configuring inbound one-to-one static NAT ····································································································· 120
Configuring inbound net-to-net static NAT ········································································································ 120
Configuring dynamic NAT ·········································································································································· 121
Configuration restrictions and guidelines ········································································································· 121
Configuration prerequisites ································································································································ 121
Configuring outbound dynamic NAT ················································································································ 121
Configuring inbound dynamic NAT ·················································································································· 122
Configuring NAT Server ·············································································································································· 123
Configuring common NAT Server ····················································································································· 123
Configuring load sharing NAT Server ·············································································································· 124
Configuring NAT with DNS mapping ······················································································································· 125
Configuring NAT hairpin ············································································································································ 125
Configuring NAT with ALG ········································································································································· 125
Configuring NAT logging ··········································································································································· 126
Displaying and maintaining NAT······························································································································· 126
NAT configuration examples ······································································································································ 127
One-to-one static NAT for internal-to-external access ······················································································ 127
Outbound dynamic NAT for internal-to-external access (non-overlapping addresses) ································ 129
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