D-Link DXS-3600 Series Reference Manual page 648

DXS-3600 Series Layer 3 Managed 10Gigabit Ethernet Switch CLI Reference Guide
Command Default Level
Level: 12.
Usage Guideline
If the optional TLVs advertisement state is enabled, they will be encapsulated in LLDPDU and sent to
other devices.
The Data Center Bridging Exchange protocol (DCBX) is used by DCB devices to exchange configuration
information with directly connected peers. The protocol may also be used for misconfiguration detection
and for the configuration of the peer.
DCB exchanged attributes are packaged into organizationally specific TLVs. The OUI used for the DCBX
TLV is the IEEE 802.1 OUI.
DCBX is expected to operate over a point-to-point link. If multiple LLDP peer ports running DCBX are
detected, then DCBX should behave as if the peer port's DCBX TLVs are not present until the multiple
LLDP peer port condition is no longer present. However, a transition in the LLDP peer port may occur in
some circumstances (like a transition from the system boot to the system operation). Therefore when it is
detected that the number of peer ports running DCBX exceeds 1 for a period longer than the longest TTL
of any of the peers, a multi-peer condition is detected. During the time when the multi-peer condition has
not been detected the DCBX data from the most recent DCBX peer will be used. An LLDP peer port is
identified by a concatenation of the chassis ID and port ID values transmitted in the LLDPDU. A DCBX
peer port is a LLDP peer port that is sending DCBX TLVs.
If ETS or PFC is disabled, the corresponding TLV won't be sent even if the corresponding TLV is selected.
Example
This example shows how to disable the Priority-based Flow Control TLV advertisement.
Switch# configure terminal
Switch(config)# no lldp dot1-tlv-select dcbx pfc-configuration
Switch(config-if)#
58-5 lldp dot3-tlv-select
This command is used to specify which optional type-length-value settings (TLVs) in the IEEE 802.3
Organizationally Specific TLV set will encapsulated in the LLDPDUs and sent to neighbor devices. To
disable the transmission of the TLVs, use the no form of this command.
lldp dot3-tlv-select [mac-phy-cfg | link-aggregation | max-frame-size | energy-efficient-eth]
no lldp dot3-tlv-select [mac-phy-cfg | link-aggregation | max-frame-size | energy-efficient-eth]
Parameters
mac-phy-cfg
link-aggregation
max-frame-size
(Optional) Specifies the MAC/PHY Configuration/Status TLV to send.
The MAC/PHY Configuration/Status TLV is an optional TLV that
identifies (1) the duplex and bit-rate capability of the sending IEEE
802.3 LAN node, and (2) the current duplex and bit-rate settings of the
sending IEEE 802.3 LAN node.
(Optional) Specifies the Link Aggregation TLV to send. The Link
Aggregation TLV contains the following information. Whether the link is
capable of being aggregated, whether the link is currently in an
aggregation, and the aggregated port channel ID of the port. If the port
is not aggregated, then the ID is 0.
(Optional) Specifies the Maximum Frame Size TLV to send. The
Maximum Frame Size TLV indicates the maximum frame size
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