H3C S5100-SI Operation Manual page 342

1 DHCP Overview··········································································································································1-1
Introduction to DHCP ······························································································································1-1
DHCP IP Address Assignment ···············································································································1-1
IP Address Assignment Policy ········································································································1-1
Obtaining IP Addresses Dynamically ······························································································1-2
Updating IP Address Lease·············································································································1-2
DHCP Packet Format······························································································································1-3
Protocol Specification······························································································································1-4
2 DHCP Relay Agent Configuration ············································································································1-1
Introduction to DHCP Relay Agent ·········································································································1-1
Usage of DHCP Relay Agent ··········································································································1-1
DHCP Relay Agent Fundamentals··································································································1-1
Option 82 Support on DHCP Relay Agent ······················································································1-2
Configuring the DHCP Relay Agent········································································································1-3
DHCP Relay Agent Configuration Task List····················································································1-3
Correlating a DHCP Server Group with a Relay Agent Interface····················································1-4
Configuring DHCP Relay Agent Security Functions ·······································································1-4
Configuring the DHCP Relay Agent to Support Option 82······························································1-6
Displaying and Maintaining DHCP Relay Agent Configuration·······························································1-7
DHCP Relay Agent Configuration Example····························································································1-7
Troubleshooting DHCP Relay Agent Configuration················································································1-8
3 DHCP Snooping Configuration ················································································································3-1
DHCP Snooping Overview······················································································································3-1
Introduction to DHCP Snooping ······································································································3-1
Introduction to DHCP-Snooping Option 82 ·····················································································3-2
Introduction to IP Filtering················································································································3-5
Configuring DHCP Snooping ··················································································································3-5
Configuring DHCP Snooping···········································································································3-5
Configuring DHCP Snooping to Support Option 82 ········································································3-6
Configuring IP Filtering ··················································································································3-10
Displaying DHCP Snooping Configuration····························································································3-10
DHCP Snooping Configuration Examples ····························································································3-11
DHCP-Snooping Option 82 Support Configuration Example ························································3-11
IP Filtering Configuration Example································································································3-12
4 DHCP/BOOTP Client Configuration ·········································································································4-1
Introduction to DHCP Client····················································································································4-1
Introduction to BOOTP Client ·················································································································4-1
Configuring a DHCP/BOOTP Client········································································································4-1
Displaying DHCP/BOOTP Client Configuration······················································································4-2
DHCP/BOOTP Client Configuration Example ························································································4-3
DHCP Client Configuration Example·······························································································4-3
BOOTP Client Configuration Example ····························································································4-3
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