Cisco N7K-C7018 Configuration Guide - Page 204
Information About vPCs, vPC Overview
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Information About vPCs Chapter 7 Configuring vPCs Send document comments to [email protected] Information About vPCs This section includes the following topics: • vPC Overview, page 7-2 • vPC Terminology, page 7-5 • vPC Peer Links, page 7-6 • Peer-Keepalive Link and Messages, page 7-11 • vPC Peer-Gateway, page 7-12 • vPC Domain, page 7-13 • vPC Topology, page 7-14 • Compatibility Parameters for vPC Interfaces, page 7-15 • vPC Number, page 7-18 • Moving Other Port Channels into a vPC, page 7-18 • Configuring vPC Peer Links and Links to the Core on a Single Module, page 7-19 • vPC Interactions with Other Features, page 7-20 • Virtualization Support, page 7-27 • vPC Recovery After an Outage, page 7-27 • High Availability, page 7-28 vPC Overview A virtual port channel (vPC) allows links that are physically connected to two different Cisco Nexus 7000 Series devices to appear as a single port channel by a third device (see Figure 7-1). The third device can be a switch, server, or any other networking device that supports port channels. A vPC can provide Layer 2 multipathing, which allows you to create redundancy and increase bisectional bandwidth by enabling multiple parallel paths between nodes and allowing load balancing traffic. Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 7-2 OL-23435-03