R0106-HP MSR Router Series Layer 3 - IP Services Configuration Guide(V7)
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IP address lease extension···································································································································· 23
DHCP message format ··················································································································································· 24
DHCP options ································································································································································· 25
Common DHCP options ········································································································································ 25
Custom DHCP options ··········································································································································· 25
Protocols and standards ················································································································································ 27
Configuring the DHCP server ···································································································································· 29
Overview ········································································································································································· 29
DHCP address pool ··············································································································································· 29
IP address allocation sequence ···························································································································· 31
DHCP server configuration task list ······························································································································ 31
Configuring an address pool on the DHCP server ····································································································· 32
Configuration task list ··········································································································································· 32
Creating a DHCP address pool ··························································································································· 32
Specifying IP address ranges for a DHCP address pool ·················································································· 32
Specifying gateways for the client······················································································································· 35
Specifying a domain name suffix for the client ·································································································· 36
Specifying DNS servers for the client ·················································································································· 36
Specifying WINS servers and NetBIOS node type for the client ····································································· 36
Specifying BIMS server information for the client ······························································································ 37
Specifying the TFTP server and boot file name for the client ············································································ 37
Specifying a server for the DHCP client ·············································································································· 38
Configuring Option 184 parameters for the client ···························································································· 38
Customizing DHCP options ·································································································································· 39
Enabling DHCP ······························································································································································ 40
Enabling the DHCP server on an interface ·················································································································· 40
Applying an address pool on an interface ················································································································· 40
Configuring IP address conflict detection ···················································································································· 41
Enabling handling of Option 82 ·································································································································· 41
Configuring DHCP server compatibility ······················································································································· 42
Configuring the DHCP server to broadcast all responses ················································································· 42
Configure the DHCP server to ignore BOOTP requests ···················································································· 42
Configuring the DHCP server to send BOOTP responses in RFC 1048 format·············································· 42
Setting the DSCP value for DHCP packets sent by the DHCP server ········································································ 43
Displaying and maintaining the DHCP server ············································································································ 43
DHCP server configuration examples ·························································································································· 44
Static IP address assignment configuration example························································································· 44
Dynamic IP address assignment configuration example ··················································································· 45
DHCP user class configuration example ············································································································· 47
Primary and secondary subnets configuration example ··················································································· 48
DHCP option customization configuration example ·························································································· 49
Troubleshooting DHCP server configuration ··············································································································· 50
Symptom ································································································································································· 50
Analysis ·································································································································································· 50
Solution ··································································································································································· 50
Configuring the DHCP relay agent ··························································································································· 52
Overview ········································································································································································· 52
Operation ······························································································································································· 52
DHCP relay agent support for Option 82 ·········································································································· 53
DHCP relay agent configuration task list ····················································································································· 53
Enabling DHCP ······························································································································································ 54
Enabling the DHCP relay agent on an interface ········································································································ 54
Specifying DHCP servers on a relay agent ················································································································· 54