Cisco WS-C3750-48PS-S

Contents
xvii
Catalyst 3750 Switch Software Configuration Guide
78-16180-02
Default Optional Spanning-Tree Configuration 19-12
Optional Spanning-Tree Configuration Guidelines 19-12
Enabling Port Fast 19-12
Enabling BPDU Guard 19-13
Enabling BPDU Filtering 19-14
Enabling UplinkFast for Use with Redundant Links 19-15
Enabling Cross-Stack UplinkFast 19-16
Enabling BackboneFast 19-16
Enabling EtherChannel Guard 19-17
Enabling Root Guard 19-17
Enabling Loop Guard 19-18
Displaying the Spanning-Tree Status 19-19
CHAPTER 20 Configuring Flex Links 20-1
Understanding Flex Links 20-1
Configuring Flex Links 20-2
Default Flex Link Configuration 20-2
Flex Link Configuration Guidelines 20-2
Configuring Flex Links 20-3
Monitoring Flex Links 20-3
CHAPTER 21 Configuring DHCP Features and IP Source Guard 21-1
Understanding DHCP Features 21-1
DHCP Server 21-2
DHCP Relay Agent 21-2
DHCP Snooping 21-2
Option-82 Data Insertion 21-3
Cisco IOS DHCP Server Database 21-5
DHCP Snooping Binding Database 21-5
DHCP Snooping and Switch Stacks 21-6
Configuring DHCP Features 21-7
Default DHCP Configuration 21-7
DHCP Snooping Configuration Guidelines 21-8
Configuring the DHCP Server 21-8
DHCP Server and Switch Stacks 21-9
Configuring the DHCP Relay Agent 21-9
Specifying the Packet Forwarding Address 21-9
Enabling DHCP Snooping and Option 82 21-10
Enabling DHCP Snooping on Private VLANs 21-12