Describes the Layer 2 protocol tunneling feature that allows service providers to tunnel Layer 2 control protocols across their networks while maintaining protocol transparency for customer networks.
Configuring Layer 2 Protocol Tunneling
Explains how to configure Layer 2 protocol tunneling to transport customer control protocol traffic across service-provider networks.
Configuring SPAN and RSPAN
Guides you through configuring local and remote Switched Port Analyzer sessions, including prerequisites, restrictions, and step-by-step implementation procedures.
Configuring IEEE 802.1Q Tunneling
Explains IEEE 802.1Q tunneling concepts and provides step-by-step configuration procedures for implementing VLAN tunneling across service provider networks.
Configuring VLAN Mapping
Explains VLAN mapping concepts and provides configuration guidelines and procedures for implementing VLAN mapping in network environments.
Loop Detection Guard
Explains how Loop Detection Guard detects and prevents Layer 2 loops, especially in networks with unmanaged switches or limited STP support.