R2511-HP MSR Router Series Layer 3 - IP Services Configuration Guide(V5)
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DHCP address pool ··············································································································································· 25
IP address allocation sequence ···························································································································· 26
DHCP server configuration task list ······························································································································ 26
Configuring an address pool on the DHCP server ····································································································· 27
Configuration task list ··········································································································································· 27
Creating a DHCP address pool ··························································································································· 27
Configuring address allocation mode for a common address pool ································································ 28
Configuring dynamic address allocation for an extended address pool ························································ 30
Specifying a domain name suffix for the client ·································································································· 30
Specifying DNS servers for the client ·················································································································· 31
Specifying WINS servers and NetBIOS node type for the client ····································································· 31
Specifying BIMS server information for the client ······························································································ 32
Specifying gateways for the client······················································································································· 32
Configuring Option 184 parameters for the client with voice service ···························································· 32
Configuring the TFTP server and bootfile name for the client ··········································································· 33
Specifying a server's IP address for the DHCP client ························································································ 34
Configuring self-defined DHCP options ·············································································································· 34
Enabling DHCP ······························································································································································ 35
Enabling the DHCP server on an interface ·················································································································· 35
Configuration guidelines ······································································································································ 35
Configuration procedure ······································································································································ 36
Applying an extended address pool on an interface ································································································ 36
Configuring the DHCP server security functions ········································································································· 37
Configuration prerequisites ·································································································································· 37
Enabling unauthorized DHCP server detection ·································································································· 37
Configuring IP address conflict detection ··········································································································· 37
Configuring the DHCP server to work with authorized ARP ············································································· 38
Enabling client offline detection ··································································································································· 39
Enabling handling of Option 82 ·································································································································· 39
Configuration prerequisites ·································································································································· 39
Enabling Option 82 handling ······························································································································ 39
Specifying the threshold for sending trap messages ·································································································· 40
Configuration prerequisites ·································································································································· 40
Configuration procedure ······································································································································ 40
Displaying and maintaining the DHCP server ············································································································ 40
DHCP server configuration examples ·························································································································· 41
Static IP address assignment configuration example························································································· 41
Dynamic IP address assignment configuration example ··················································································· 43
Self-defined option configuration example ········································································································· 44
Troubleshooting DHCP server configuration ··············································································································· 45
Symptom ································································································································································· 45
Analysis ·································································································································································· 45
Solution ··································································································································································· 45
Configuring the DHCP relay agent ··························································································································· 47
Overview ········································································································································································· 47
Fundamentals ························································································································································· 47
DHCP relay agent support for Option 82 ·········································································································· 48
DHCP relay agent configuration task list ····················································································································· 49
Enabling DHCP ······························································································································································ 49
Enabling the DHCP relay agent on an interface ········································································································ 49
Correlating a DHCP server group with a relay agent interface················································································ 50
Configuring the DHCP relay agent security functions ································································································ 51
Configuring address check ·································································································································· 51
Configuring periodic refresh of dynamic client entries ····················································································· 52