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Configuring the DCBX Mode

You can configure the DCBX mode that an interface uses to communicate with the connected peer. Three DCBX modes are supported:

  • Autonegotiation—The interface negotiates with the connected peer to determine the DCBX mode. This is the default DCBX mode.

  • IEEE DCBX—The interface uses IEEE DCBX type, length, and value (TLV) to exchange DCBX information with the connected peer.

  • DCBX Version 1.01—The interface uses Converged Enhanced Ethernet (CEE) DCBX version 1.01 TLVs to exchange DCBX information with the connected peer.

Note:

Pre-CEE (pre-DCB) versions of DCBX such as DCBX version 1.00 are not supported. If an interface receives an LLDP frame with pre-CEE DCBX TLVs, the system drops the frame.

Configure the DCBX mode by specifying the mode for one interface or for all interfaces.

  • To configure the DCBX mode, specify the interface and the mode:

    For example, to configure DCBX version 1.01 on interface xe-0/0/21:

    To configure IEEE DCBX on all interfaces:

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