Contents
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Catalyst 2960 and 2960-S Switch Software Configuration Guide
OL-8603-09
Generating IGMP Reports 19-4
Leaking IGMP Reports 19-4
Configuration Examples 19-4
MAC Address-Table Move Update 19-6
Configuring Flex Links and the MAC Address-Table Move Update 19-7
Default Configuration 19-8
Configuration Guidelines 19-8
Configuring Flex Links 19-9
Configuring VLAN Load Balancing on Flex Links 19-11
Configuring the MAC Address-Table Move Update Feature 19-12
Monitoring Flex Links and the MAC Address-Table Move Update 19-14
CHAPTER
20 Configuring DHCP Features and IP Source Guard Features 20-1
Understanding DHCP Snooping 20-2
DHCP Server 20-2
DHCP Relay Agent 20-2
DHCP Snooping 20-2
Option-82 Data Insertion 20-4
DHCP Snooping Binding Database 20-7
DHCP Snooping and Switch Stacks 20-8
Configuring DHCP Snooping 20-9
Default DHCP Snooping Configuration 20-9
DHCP Snooping Configuration Guidelines 20-9
Configuring the DHCP Relay Agent 20-11
Enabling DHCP Snooping and Option 82 20-11
Enabling the DHCP Snooping Binding Database Agent 20-13
Displaying DHCP Snooping Information 20-14
Understanding IP Source Guard 20-14
Source IP Address Filtering 20-15
Source IP and MAC Address Filtering 20-15
IP Source Guard for Static Hosts 20-15
Configuring IP Source Guard 20-16
Default IP Source Guard Configuration 20-16
IP Source Guard Configuration Guidelines 20-16
Enabling IP Source Guard 20-17
Configuring IP Source Guard for Static Hosts 20-18
Configuring IP Source Guard for Static Hosts on a Layer 2 Access Port 20-18
Displaying IP Source Guard Information 20-22
Understanding DHCP Server Port-Based Address Allocation 20-22