R211x-HP Flexfabric 11900 Layer 3 - IP Services Configuration Guide
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Network requirements ··········································································································································· 79
Configuration procedure ······································································································································ 79
Configuring DNS ······················································································································································· 80
Overview ········································································································································································· 80
Static domain name resolution ····························································································································· 80
Dynamic domain name resolution ······················································································································· 80
DNS proxy ····························································································································································· 81
DNS spoofing ························································································································································ 82
DNS configuration task list ············································································································································ 83
Configuring the IPv4 DNS client ·································································································································· 84
Configuring static domain name resolution ········································································································ 84
Configuring dynamic domain name resolution ·································································································· 84
Configuring the IPv6 DNS client ·································································································································· 85
Configuring static domain name resolution ········································································································ 85
Configuring dynamic domain name resolution ·································································································· 86
Configuring the DNS proxy ·········································································································································· 86
Configuring DNS spoofing ··········································································································································· 87
Specifying the source interface for DNS packets ······································································································· 87
Configuring the DNS trusted interface ························································································································· 88
Specifying the DSCP value for outgoing DNS packets ······························································································ 89
Displaying and maintaining IPv4 DNS ························································································································ 89
IPv4 DNS configuration examples ······························································································································· 89
Static domain name resolution configuration example ····················································································· 89
Dynamic domain name resolution configuration example ··············································································· 90
DNS proxy configuration example ······················································································································ 93
IPv6 DNS configuration examples ······························································································································· 95
Static domain name resolution configuration example ····················································································· 95
Dynamic domain name resolution configuration example ··············································································· 95
DNS proxy configuration example ···················································································································· 100
Troubleshooting IPv4 DNS configuration ·················································································································· 101
Symptom ······························································································································································· 101
Solution ································································································································································· 101
Troubleshooting IPv6 DNS configuration ·················································································································· 101
Symptom ······························································································································································· 101
Solution ································································································································································· 101
Configuring DDNS ·················································································································································· 102
Overview ······································································································································································· 102
DDNS application ··············································································································································· 102
DDNS client configuration task list ····························································································································· 103
Configuring a DDNS policy ········································································································································ 103
Configuration prerequisites ································································································································ 105
Configuration procedure ···································································································································· 105
Applying the DDNS policy to an interface ················································································································ 105
Specifying the DSCP value for outgoing DDNS packets ························································································· 106
Displaying DDNS ························································································································································· 106
DDNS configuration examples ··································································································································· 107
DDNS configuration example with www.3322.org ······················································································· 107
DDNS configuration example with PeanutHull server ····················································································· 108
Basic IP forwarding on the device ························································································································· 110
FIB table ········································································································································································ 110
Displaying FIB table entries ········································································································································· 110