HPE FlexNetwork 10500 Series Configuration Manual page 5

Enabling DHCP logging on the DHCP server ·································································································· 55
Displaying and maintaining the DHCP server ·································································································· 56
DHCP server configuration examples ·············································································································· 56
Static IP address assignment configuration example ·············································································· 56
Dynamic IP address assignment configuration example ········································································· 58
DHCP user class configuration example ·································································································· 60
DHCP user class whitelist configuration example ···················································································· 61
Primary and secondary subnets configuration example ·········································································· 62
DHCP option customization configuration example ················································································· 64
Troubleshooting DHCP server configuration ··································································································· 65
Symptom ·················································································································································· 65
Analysis ···················································································································································· 65
Solution ···················································································································································· 65
Configuring the DHCP relay agent ······························································· 67
Overview ·························································································································································· 67
Operation ················································································································································· 67
DHCP relay agent support for Option 82 ································································································· 68
DHCP relay agent configuration task list ········································································································· 68
Enabling DHCP ················································································································································ 69
Enabling the DHCP relay agent on an interface ······························································································ 69
Specifying DHCP servers on a relay agent ······································································································ 70
Configuring the DHCP relay agent security features ······················································································· 70
Enabling the DHCP relay agent to record relay entries ··········································································· 70
Enabling periodic refresh of dynamic relay entries ·················································································· 70
Configuring DHCP flood attack protection ······························································································· 71
Enabling DHCP starvation attack protection ···························································································· 72
Configuring the DHCP relay agent to release an IP address ··········································································· 72
Configuring Option 82 ······································································································································ 73
Setting the DSCP value for DHCP packets sent by the DHCP relay agent ····················································· 73
Enabling DHCP server proxy on the DHCP relay agent ·················································································· 74
Configuring a DHCP address pool on the DHCP relay agent ·········································································· 74
Specifying the DHCP relay agent address to be padded to DHCP requests ··················································· 75
Enabling client offline detection on the DHCP relay agent ·············································································· 75
Configuring the DHCP smart relay feature······································································································· 76
Specifying the DHCP server selecting algorithm ····························································································· 77
Specifying the source IP address for DHCP requests ····················································································· 79
Discarding DHCP requests that are delivered from VXLAN tunnels ································································ 79
Displaying and maintaining the DHCP relay agent ·························································································· 80
DHCP relay agent configuration examples ······································································································ 81
DHCP relay agent configuration example ································································································ 81
Option 82 configuration example ············································································································· 82
DHCP server selection configuration example ························································································· 82
Troubleshooting DHCP relay agent configuration ···························································································· 84
Symptom ·················································································································································· 84
Analysis ···················································································································································· 84
Solution ···················································································································································· 84
Configuring the DHCP client ········································································ 85
Enabling the DHCP client on an interface ········································································································ 85
Configuring a DHCP client ID for an interface·································································································· 85
Enabling duplicated address detection ············································································································ 86
Setting the DSCP value for DHCP packets sent by the DHCP client ······························································ 86
Displaying and maintaining the DHCP client···································································································· 86
DHCP client configuration example ················································································································· 87
Network requirements ······························································································································ 87
Configuration procedure ··························································································································· 87
Verifying the configuration ························································································································ 88
Configuring DHCP snooping ········································································ 90
Overview ·························································································································································· 90
Application of trusted and untrusted ports································································································ 90
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