Contents
27
Software Configuration GuideāRelease IOS XE 3.9.xE and IOS 15.2(5)Ex
Disabling MLD Listener Message Suppression 29-10
Displaying MLD Snooping Information 29-10
Configuring 802.1Q Tunneling, VLAN Mapping, and Layer 2 Protocol Tunneling 30-1
About 802.1Q Tunneling 30-1
Configuring 802.1Q Tunneling 30-3
802.1Q Tunneling Configuration Guidelines 30-3
Native VLANs 30-3
System MTU 30-5
802.1Q Tunneling and Other Features 30-5
Configuring an 802.1Q Tunneling Port 30-5
About VLAN Mapping 30-6
Deployment Example 30-7
Mapping Customer VLANs to Service-Provider VLANs 30-8
Configuring VLAN Mapping 30-9
Default VLAN Mapping Configuration 30-9
VLAN Mapping Configuration Guidelines 30-9
Configuring VLAN Mapping 30-10
One-to-One Mapping 30-10
Traditional Q-in-Q on a Trunk Port 30-11
Selective Q-in-Q on a Trunk Port 30-12
About Layer 2 Protocol Tunneling 30-13
Configuring Layer 2 Protocol Tunneling 30-15
Default Layer 2 Protocol Tunneling Configuration 30-16
Layer 2 Protocol Tunneling Configuration Guidelines 30-16
Configuring Layer 2 Tunneling 30-17
Configuring Layer 2 Tunneling for EtherChannels 30-19
Configuring the SP Edge Switch 30-19
Configuring the Customer Switch 30-21
Monitoring and Maintaining Tunneling Status 30-23
Configuring CDP 31-1
About CDP 31-1
Configuring CDP 31-1
Enabling CDP Globally 31-2
Displaying the CDP Global Configuration 31-2
Enabling CDP on an Interface 31-2
Displaying the CDP Interface Configuration 31-3
Monitoring and Maintaining CDP 31-3