Contents
xxii
Catalyst 3750-E and 3560-E Switch Software Configuration Guide
OL-9775-08
Option-82 Data Insertion 22-3
Cisco IOS DHCP Server Database 22-6
DHCP Snooping Binding Database 22-6
DHCP Snooping and Switch Stacks 22-7
Configuring DHCP Features 22-8
Default DHCP Configuration 22-8
DHCP Snooping Configuration Guidelines 22-9
Configuring the DHCP Server 22-10
DHCP Server and Switch Stacks 22-10
Configuring the DHCP Relay Agent 22-10
Specifying the Packet Forwarding Address 22-11
Enabling DHCP Snooping and Option 82 22-12
Enabling DHCP Snooping on Private VLANs 22-14
Enabling the Cisco IOS DHCP Server Database 22-14
Enabling the DHCP Snooping Binding Database Agent 22-14
Displaying DHCP Snooping Information 22-15
Understanding IP Source Guard 22-16
Source IP Address Filtering 22-16
Source IP and MAC Address Filtering 22-17
IP Source Guard for Static Hosts 22-17
Configuring IP Source Guard 22-18
Default IP Source Guard Configuration 22-18
IP Source Guard Configuration Guidelines 22-18
Enabling IP Source Guard 22-19
Configuring IP Source Guard for Static Hosts 22-20
Configuring IP Source Guard for Static Hosts on a Layer 2 Access Port 22-20
Configuring IP Source Guard for Static Hosts on a Private VLAN Host Port 22-23
Displaying IP Source Guard Information 22-25
Understanding DHCP Server Port-Based Address Allocation 22-25
Configuring DHCP Server Port-Based Address Allocation 22-26
Default Port-Based Address Allocation Configuration 22-26
Port-Based Address Allocation Configuration Guidelines 22-26
Enabling DHCP Server Port-Based Address Allocation 22-27
Displaying DHCP Server Port-Based Address Allocation 22-29
CHAPTER
23 Configuring Dynamic ARP Inspection 23-1
Understanding Dynamic ARP Inspection 23-1
Interface Trust States and Network Security 23-3
Rate Limiting of ARP Packets 23-4
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