Description

This article provides information on how to disable Data Center Bridging and Exchange (DCBX) autonegotiation on QFX switches.

Symptoms

How to disable Data Center Bridging and Exchange (DCBX) autonegotiation on QFX switches.

Solution

 

Use the following CLI commands to disable DCBX autonegotiation of PFC, FCoE, and ETS:

Turn off autonegotiation for PFC:

[edit]
user@switch# set protocols dcbx interface interface-name priority-flow-control no-auto-negotiation

Turn off autonegotiation for FCoE:
[edit]
user@switch# set protocols dcbx interface interface-name applications fcoe no-auto-negotiation

Turn off autonegotiation for ETS:
[edit]
user@switch# set protocols dcbx interface interface-name enhanced-transmission-selection no-auto-negotiation

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