HPE 3100 Configuration Manual page 4

DHCP overview ············································································· 25
DHCP address allocation ··········································································································· 25
Dynamic IP address allocation process ·················································································· 25
IP address lease extension ·································································································· 26
DHCP message format ············································································································· 26
DHCP options ························································································································· 27
Common DHCP options ······································································································ 28
Custom options ················································································································· 28
Protocols and standards ············································································································ 32
Configuring DHCP server ································································· 33
Overview ································································································································ 33
DHCP address pool ··········································································································· 33
IP address allocation sequence ···························································································· 34
DHCP server configuration task list ······························································································ 34
Configuring an address pool for the DHCP server ··········································································· 35
Configuration task list ········································································································· 35
Creating a DHCP address pool ···························································································· 35
Configuring address allocation mode for a common address pool ················································ 36
Configuring dynamic address allocation for an extended address pool ·········································· 38
Configuring a domain name suffix for the client ········································································ 38
Configuring DNS servers for the client ··················································································· 39
Configuring WINS servers and NetBIOS node type for the client ················································· 39
Configuring BIMS server information for the client ···································································· 39
Configuring gateways for the client ························································································ 40
Configuring Option 184 parameters for the client with voice service ············································· 40
Configuring the TFTP server and bootfile name for the client ······················································ 41
Specifying a server's IP address for the DHCP client································································· 41
Configuring self-defined DHCP options ·················································································· 42
Enabling DHCP ······················································································································· 42
Enabling the DHCP server on an interface ···················································································· 43
Configuration guidelines ····································································································· 43
Configuration procedure ····································································································· 43
Applying an extended address pool on an interface ········································································· 43
Configuring the DHCP server security functions ············································································· 44
Configuration prerequisites ·································································································· 44
Enabling unauthorized DHCP server detection ········································································ 44
Configuring IP address conflict detection ················································································ 44
Enabling client offline detection ··································································································· 45
Enabling handling of Option 82 ··································································································· 45
Configuration prerequisites ·································································································· 45
Enabling Option 82 handling ································································································ 46
Specifying the threshold for sending trap messages ········································································ 46
Configuration prerequisites ·································································································· 46
Configuration procedure ····································································································· 46
Setting the DSCP value for DHCP packets ···················································································· 46
Displaying and maintaining the DHCP server ················································································· 47
DHCP server configuration examples ··························································································· 47
Static IP address assignment configuration example ································································· 48
Dynamic IP address assignment configuration example ····························································· 49
Self-defined option configuration example··············································································· 50
Troubleshooting DHCP server configuration ·················································································· 51
Symptom ························································································································· 51
Analysis ·························································································································· 51
Solution ··························································································································· 51
Configuring DHCP relay agent ·························································· 53
Overview ································································································································ 53
Fundamentals ··················································································································· 53
DHCP relay agent support for Option 82 ················································································· 54
DHCP relay agent configuration task list ······················································································· 54
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