HP A5120 EI Series Configuration Manual page 4

Protocols and standards ················································································································································ 28
DHCP server configuration ··········································································································································· 30
Introduction to DHCP server ·········································································································································· 30
Application environment ······································································································································· 30
DHCP address pool··············································································································································· 30
IP address allocation sequence···························································································································· 31
DHCP server configuration task list ······························································································································ 31
Configuring an address pool for the DHCP server····································································································· 32
Configuration task list ··········································································································································· 32
Creating a DHCP address pool ··························································································································· 32
Configuring an address allocation mode for a common address pool ·························································· 33
Configuring dynamic address allocation for an extended address pool ························································ 35
Configuring a domain name suffix for the client ······························································································· 36
Configuring DNS servers for the client ··············································································································· 36
Configuring WINS servers and NetBIOS node type for the client ·································································· 36
Configuring BIMS server information for the client ··························································································· 37
Configuring gateways for the client ···················································································································· 37
Configuring Option 184 parameters for the client with voice service ···························································· 38
Configuring the TFTP server and bootfile name for the client ··········································································· 38
Configuring self-defined DHCP options ·············································································································· 39
Enabling DHCP ······························································································································································ 40
Enabling the DHCP server on an interface ·················································································································· 40
Applying an extended address pool on an interface ································································································ 41
Configuring the DHCP server security functions ········································································································· 41
Configuration prerequisites ·································································································································· 41
Enabling unauthorized DHCP server detection ·································································································· 42
Configuring IP address conflict detection ··········································································································· 42
Enabling Option 82 handling ······································································································································ 42
Specifying the threshold for sending trap messages ·································································································· 43
Configuration prerequisites ·································································································································· 43
Configuration procedure ······································································································································ 43
Displaying and maintaining the DHCP server ············································································································ 44
DHCP server configuration examples ·························································································································· 44
Static IP address assignment configuration example ························································································ 45
Dynamic IP address assignment configuration example ··················································································· 46
Self-defined option configuration example ········································································································· 47
Troubleshooting DHCP server configuration ··············································································································· 48
DHCP relay agent configuration ·································································································································· 50
Introduction to DHCP relay agent ································································································································ 50
Application environment ······································································································································· 50
Fundamentals ························································································································································· 50
DHCP relay agent support for Option 82 ·········································································································· 51
DHCP relay agent configuration task list ····················································································································· 52
Enabling DHCP ······························································································································································ 52
Enabling the DHCP relay agent on an interface ········································································································ 52
Correlating a DHCP server group with a relay agent interface ··············································································· 53
Configuring the DHCP relay agent security functions ································································································ 54
Creating static bindings and enabling address check ······················································································ 54
Configuring periodic refresh of dynamic client entries ····················································································· 54
Enabling unauthorized DHCP server detection ·································································································· 55
Enabling DHCP starvation attack protection ······································································································ 55
Enabling offline detection·············································································································································· 56
Configuring the DHCP relay agent to release an IP address ···················································································· 56
Configuring the DHCP relay agent to support Option 82 ························································································· 57
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