R21xx-HP FlexFabric 11900 Layer 3 IP Services Configuration Guide
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Specifying WINS servers and NetBIOS node type for the client ····································································· 40
Specifying BIMS server information for the client ······························································································ 41
Specifying the TFTP server and boot file name for the client ············································································ 41
Specifying a server for the DHCP client ·············································································································· 42
Configuring Option 184 parameters for the client ···························································································· 42
Configuring self-defined DHCP options ·············································································································· 43
Enabling DHCP ······························································································································································ 44
Enabling the DHCP server on an interface ·················································································································· 44
Applying an address pool on an interface ················································································································· 44
Configuring IP address conflict detection ···················································································································· 45
Enabling handling of Option 82 ·································································································································· 45
Configuring DHCP server compatibility ······················································································································· 46
Configuring the DHCP server to broadcast all responses ················································································· 46
Configure the DHCP server to ignore BOOTP requests ···················································································· 46
Configuring the DHCP server to send BOOTP responses in RFC 1048 format·············································· 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
DHCP user class configuration example ············································································································· 50
Self-defined option configuration example ········································································································· 52
Troubleshooting DHCP server configuration ··············································································································· 52
Symptom ································································································································································· 52
Analysis ·································································································································································· 53
Solution ··································································································································································· 53
Configuring the DHCP relay agent ··························································································································· 54
Overview ········································································································································································· 54
Operation ······························································································································································· 54
DHCP relay agent support for Option 82 ·········································································································· 55
DHCP relay agent configuration task list ····················································································································· 55
Enabling DHCP ······························································································································································ 56
Enabling the DHCP relay agent on an interface ········································································································ 56
Specifying DHCP servers on a relay agent ················································································································· 56
Configuring the DHCP relay agent security functions ································································································ 57
Enabling the DHCP relay agent to record relay entries ···················································································· 57
Enabling periodic refresh of dynamic relay entries ··························································································· 57
Enabling DHCP starvation attack protection ······································································································ 58
Configuring the DHCP relay agent to release an IP address ···················································································· 58
Configuring Option 82 ················································································································································· 59
Displaying and maintaining the DHCP relay agent ··································································································· 59
DHCP relay agent configuration examples ················································································································· 60
DHCP relay agent configuration example ·········································································································· 60
Option 82 configuration example ······················································································································· 61










