3Com E4500-24 Cli Configuration Manual page 423

Enabling Unauthorized DHCP Server Detection···········································································2-24
Configuring IP Address Detecting ·································································································2-24
Configuring DHCP Accounting Functions ·····························································································2-25
Introduction to DHCP Accounting··································································································2-25
DHCP Accounting Fundamentals··································································································2-25
DHCP Accounting Configuration ···································································································2-26
Enabling the DHCP Server to Process Option 82 ················································································2-26
Displaying and Maintaining the DHCP Server ······················································································2-27
DHCP Server Configuration Examples ·································································································2-27
DHCP Server Configuration Example ···························································································2-27
DHCP Server with Option 184 Support Configuration Example ···················································2-29
DHCP Accounting Configuration Example ····················································································2-31
Troubleshooting a DHCP Server ··········································································································2-32
3 DHCP Relay Agent Configuration ············································································································3-1
Introduction to DHCP Relay Agent ·········································································································3-1
Usage of DHCP Relay Agent ··········································································································3-1
DHCP Relay Agent Fundamentals··································································································3-1
Option 82 Support on DHCP Relay Agent ······················································································3-2
Configuring the DHCP Relay Agent········································································································3-3
DHCP Relay Agent Configuration Task List····················································································3-4
Enabling DHCP ·······························································································································3-4
Correlating a DHCP Server Group with a Relay Agent Interface····················································3-4
Configuring DHCP Relay Agent Security Functions ·······································································3-5
Configuring the DHCP Relay Agent to Support Option 82······························································3-7
Displaying and Maintaining DHCP Relay Agent Configuration·······························································3-8
DHCP Relay Agent Configuration Example····························································································3-8
Troubleshooting DHCP Relay Agent Configuration················································································3-9
4 DHCP Snooping Configuration ················································································································4-1
DHCP Snooping Overview······················································································································4-1
Introduction to DHCP Snooping ······································································································4-1
Introduction to DHCP-Snooping Option 82 ·····················································································4-2
Introduction to IP Filtering················································································································4-4
Configuring DHCP Snooping ··················································································································4-5
Configuring DHCP Snooping···········································································································4-5
Configuring DHCP Snooping to Support Option 82 ········································································4-6
Configuring IP Filtering ····················································································································4-9
Displaying and Maintaining DHCP Snooping Configuration ·································································4-10
DHCP Snooping Configuration Examples ····························································································4-11
DHCP-Snooping Option 82 Support Configuration Example ························································4-11
IP Filtering Configuration Example································································································4-12
5 DHCP Packet Rate Limit Configuration···································································································5-1
Introduction to DHCP Packet Rate Limit·································································································5-1
Configuring DHCP Packet Rate Limit ·····································································································5-2
Configuring DHCP Packet Rate Limit······························································································5-2
Configuring Port State Auto Recovery ····························································································5-2
Rate Limit Configuration Example ··········································································································5-3
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