Cisco Nexus 6000 Series NX-OS Fibre Channel Command Reference

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Updated:: January 31, 2013

Chapter: T Commands

trunk protocol enable

T Commands

This chapter describes the Cisco NX-OS Fibre Channel, virtual Fibre Channel, and Fibre Channel over Ethernet (FCoE) commands that begin with T.

trunk protocol enable

To configure the trunking protocol for Fibre Channel interfaces, use the trunk protocol enable command. To disable this feature, use the no form of this command.

trunk protocol enable

no trunk protocol enable

Syntax Description

This command has no arguments or keywords.

Command Default

Enabled

Command Modes

Global configuration mode

Command History

Release	Modification
6.0(2)N1(1)	This command was introduced.

Usage Guidelines

If the trunking protocol is disabled on a switch, no port on that switch can apply new trunk configurations. Existing trunk configurations are not affected, and the TE port continues to function in trunking mode, but only supports traffic in Virtual SANs (VSANs) that it negotiated previously (when the trunking protocol was enabled). Also, other switches that are directly connected to this switch are similarly affected on the connected interfaces. In some cases, you may need to merge traffic from different port VSANs across a nontrunking ISL. Before you merge traffic, you need to disable the trunking protocol.