Contents
xviii
Catalyst 2960 Switch Software Configuration Guide
OL-8603-04
Monitoring and Maintaining LLDP and LLDP-MED 21-7
CHAPTER
22 Configuring UDLD 22-1
Understanding UDLD 22-1
Modes of Operation 22-1
Methods to Detect Unidirectional Links 22-2
Configuring UDLD 22-4
Default UDLD Configuration 22-4
Configuration Guidelines 22-4
Enabling UDLD Globally 22-5
Enabling UDLD on an Interface 22-5
Resetting an Interface Disabled by UDLD 22-6
Displaying UDLD Status 22-6
CHAPTER
23 Configuring SPAN and RSPAN 23-1
Understanding SPAN and RSPAN 23-1
Local SPAN 23-2
Remote SPAN 23-2
SPAN and RSPAN Concepts and Terminology 23-3
SPAN Sessions 23-3
Monitored Traffic 23-4
Source Ports 23-5
Source VLANs 23-6
VLAN Filtering 23-6
Destination Port 23-6
RSPAN VLAN 23-7
SPAN and RSPAN Interaction with Other Features 23-8
Configuring SPAN and RSPAN 23-9
Default SPAN and RSPAN Configuration 23-9
Configuring Local SPAN 23-9
SPAN Configuration Guidelines 23-10
Creating a Local SPAN Session 23-10
Creating a Local SPAN Session and Configuring Incoming Traffic 23-13
Specifying VLANs to Filter 23-14
Configuring RSPAN 23-15
RSPAN Configuration Guidelines 23-16
Configuring a VLAN as an RSPAN VLAN 23-16
Creating an RSPAN Source Session 23-17
Creating an RSPAN Destination Session 23-19