Cisco 7206 Network Configuration Guide - Page 84
Information About Access and Trunk Interfaces
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Information About Access and Trunk Interfaces Chapter 3 Configuring Layer 2 Interfaces Send document comments to [email protected] • Default Settings, page 3-9 • Configuring Access and Trunk Interfaces, page 3-9 • Verifying the Interface Configuration, page 3-22 • Monitoring the Layer 2 Interfaces, page 3-23 • Example Configurations for Access and Trunk Ports, page 3-23 • Additional References, page 3-24 • Feature History for Configuring Layer 2 Interfaces, page 3-25 Note See the Cisco Nexus 7000 Series NX-OS System Management Configuration Guide, Release 5.x, for information on configuring a SPAN destination interface. You can configure Layer 2 switching ports as access or trunk ports. Trunks carry the traffic of multiple VLANs over a single link and allow you to extend VLANs across an entire network. All Layer 2 switching ports maintain media access control (MAC) address tables. Note See the Cisco Nexus 7000 Series NX-OS Layer 2 Switching Configuration Guide, Release 5.x, for information on VLANs, MAC address tables, private VLANs, and the Spanning Tree Protocol. Note A Layer 2 port can function as either a trunk port, an access port, or a private VLAN port. See the Cisco Nexus 7000 Series NX-OS Layer 2 Switching Configuration Guide, Release 5.x, for more information on private VLANs. Information About Access and Trunk Interfaces Note See the Cisco Nexus 7000 Series NX-OS High Availability and Redundancy Guide, Release 5.x, for complete information on high-availability features. This section includes the following topics: • Information About Access and Trunk Interfaces, page 3-3 • IEEE 802.1Q Encapsulation, page 3-4 • Access VLANs, page 3-5 • Native VLAN IDs for Trunk Ports, page 3-6 • Tagging Native VLAN Traffic, page 3-6 • Allowed VLANs, page 3-6 • High Availability, page 3-7 • Virtualization Support, page 3-7 • Default Interfaces, page 3-7 • SVI Autostate Exclude, page 3-7 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 3-2 OL-23435-03