Contents
xvi
Cisco ME 3400 Ethernet Access Switch Software Configuration Guide
OL-9639-06
Configuring Flex Links and MAC Address-Table Move Update 18-7
Default Configuration 18-7
Configuration Guidelines 18-8
Configuring Flex Links 18-8
Configuring VLAN Load Balancing on Flex Links 18-10
Configuring the MAC Address-Table Move Update Feature 18-12
Monitoring Flex Links and the MAC Address-Table Move Update 18-14
CHAPTER
19 Configuring DHCP Features and IP Source Guard 19-1
Understanding DHCP Features 19-1
DHCP Server 19-2
DHCP Relay Agent 19-2
DHCP Snooping 19-2
Option-82 Data Insertion 19-3
Cisco IOS DHCP Server Database 19-6
DHCP Snooping Binding Database 19-6
Configuring DHCP Features 19-7
Default DHCP Configuration 19-8
DHCP Snooping Configuration Guidelines 19-8
Configuring the DHCP Server 19-10
Configuring the DHCP Relay Agent 19-10
Specifying the Packet Forwarding Address 19-10
Enabling DHCP Snooping and Option 82 19-11
Enabling DHCP Snooping on Private VLANs 19-13
Enabling the Cisco IOS DHCP Server Database 19-13
Enabling the DHCP Snooping Binding Database Agent 19-14
Displaying DHCP Snooping Information 19-15
Understanding IP Source Guard 19-15
Source IP Address Filtering 19-16
Source IP and MAC Address Filtering 19-16
Configuring IP Source Guard 19-16
Default IP Source Guard Configuration 19-16
IP Source Guard Configuration Guidelines 19-17
Enabling IP Source Guard 19-17
Displaying IP Source Guard Information 19-19
Understanding DHCP Server Port-Based Address Allocation 19-19