Contents
xxiv
Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
OL-8978-04
Default UDLD Configuration
32-2
Configuring UDLD on the Switch
32-3
Enabling UDLD Globally
32-3
Enabling UDLD on Individual Ports
32-3
Disabling UDLD on Individual Ports
32-4
Disabling UDLD Globally
32-4
Specifying the UDLD Message Interval
32-4
Enabling UDLD Aggressive Mode
32-5
Displaying the UDLD Configuration
32-5
C H A P T E R
33
Configuring DHCP Snooping and IP Source Guard
33-1
Understanding How DHCP Snooping Works
33-1
DHCP Snooping Configuration Guidelines
33-2
Configuring DHCP Snooping on a VLAN
33-2
Default Configuration for DHCP Snooping
33-4
Enabling DHCP Snooping
33-4
Enabling DHCP Snooping on a Private VLAN
33-5
Enabling the DHCP-Snooping Host-Tracking Information Option
33-5
Enabling the DHCP Snooping MAC-Address Matching Option
33-6
Configuration Examples for DHCP Snooping
33-7
Specifying the DHCP-Snooping Binding Limit on a Per-Port Basis
33-11
Specifying the DHCP-Snooping IP Address-to-MAC Address Binding on a Per-Port Basis
33-12
Displaying DHCP-Snooping Information
33-12
Displaying the Binding Table
33-12
Displaying the DHCP-Snooping Configuration and Statistics
33-13
Storing DHCP-Snooping Binding Entries to a Flash Device
33-15
Understanding How IP Source Guard Works
33-16
IP Source Guard Configuration Guidelines
33-16
Enabling IP Source Guard on a Port
33-17
Displaying the IP Source Guard Information
33-18
C H A P T E R
34
Configuring NTP
34-1
Understanding How NTP Works
34-1
NTP Default Configuration
34-2
Configuring NTP on the Switch
34-2
Enabling NTP in Broadcast-Client Mode
34-3
Configuring NTP in Client Mode
34-4
Configuring Authentication in Client Mode
34-4
