F3215-HP Load Balancing Module Network Management Configuration Guide-6PW101
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Configuring NAT at the CLI ········································································································································ 114
NAT configuration task list ································································································································· 114
Configuring static NAT ······································································································································· 114
Configuring dynamic NAT ································································································································· 115
Configuring an internal server ··························································································································· 117
Configuring DNS mapping ································································································································ 118
Displaying and maintaining NAT ······················································································································ 119
One-to-one static NAT configuration example ································································································· 119
Dynamic NAT configuration example ··············································································································· 120
Common internal server configuration example ······························································································ 121
NAT DNS mapping configuration example ····································································································· 122
Troubleshooting NAT ··················································································································································· 123
Symptom 1 ··························································································································································· 123
Solution ································································································································································· 123
Symptom 2 ··························································································································································· 123
Solution ································································································································································· 123
Configuring NAT-PT ················································································································································ 124
Overview ······································································································································································· 124
Basic concepts ····················································································································································· 124
Implementing NAT-PT ·········································································································································· 125
NAT-PT limitations ··············································································································································· 126
Protocols and standards ····································································································································· 126
NAT-PT configuration task list ····································································································································· 127
Configuration prerequisites ········································································································································· 127
Enabling NAT-PT ·························································································································································· 127
Configuring a NAT-PT prefix ······································································································································ 128
Configuring IPv4/IPv6 address mappings on the IPv6 side ···················································································· 128
Configuring a static mapping on the IPv6 side ································································································ 128
Configuring a dynamic mapping policy on the IPv6 side ·············································································· 129
Configuring IPv4/IPv6 address mappings on the IPv4 side ···················································································· 130
Configuring a static mapping on the IPv4 side ································································································ 130
Configuring a dynamic mapping policy on the IPv4 side ·············································································· 130
Setting the ToS field after NAT-PT translation ··········································································································· 131
Setting the traffic class field after NAT-PT translation ······························································································· 131
Configuring static NAPT-PT mappings of IPv6 servers ····························································································· 131
Displaying and maintaining NAT-PT ·························································································································· 132
NAT-PT configuration examples ································································································································· 132
Configuring dynamic mapping on the IPv6 side ····························································································· 132
Configuring static mappings on the IPv4 side and the IPv6 side ··································································· 134
Troubleshooting NAT-PT ·············································································································································· 135
Symptom ······························································································································································· 135
Solution ································································································································································· 135
Configuring ALG ····················································································································································· 136
ALG process ································································································································································· 136
Enabling ALG ······························································································································································· 138
FTP ALG configuration example ································································································································· 138
SIP/H.323 ALG configuration example ···················································································································· 138
NBT ALG configuration example ······························································································································· 139
Configuring flow classification ······························································································································· 141
Overview ······································································································································································· 141
Enabling flow classification ········································································································································· 141
Displaying and maintaining flow classification ········································································································ 141