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2. （可选）默认情况下，已启用 DCBX 的端口将通告所有 TLV。如果 PFC 或 ETS TLV 处于禁用状态，请在 INTERFACE 模式
下输入命令以重新启用 PFC 或 ETS TLV 通告。
dcbx tlv-select {ets-conf | ets-reco | pfc}
● ets-conf — 启用 ETS 配置 TLV。
● ets-reco — 启用 ETS 建议 TLV。
● pfc — 启用 PFC TLV。
3. （可选）默认情况下，在端口上启用 DCBX。如果 DCBX 已禁用，请在 INTERFACE 模式下启用它。
lldp tlv-select dcbxp
4. 返回 CONFIGURATION 模式。
exit
5. 在 CONFIGURATION 模式下全局启用交换机上的 DCBX，以使用 PFC、ETS 和 iSCSI 配置激活 DCBX TLV 消息的交换。
dcbx enable
配置 DCBX
查看 DCBX 配置
OS10# show lldp dcbx interface ethernet 1/1/15
E-ETS Configuration TLV enabled e-ETS Configuration TLV disabled
R-ETS Recommendation TLV enabled r-ETS Recommendation TLV disabled
P-PFC Configuration TLV enabled p-PFC Configuration TLV disabled
F-Application priority for FCOE enabled f-Application Priority for FCOE disabled
I-Application priority for iSCSI enabled i-Application Priority for iSCSI disabled
-----------------------------------------------------------------------------------------
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Interface ethernet1/1/15
Port Role is Manual
DCBX Operational Status is Enabled
Is Configuration Source? FALSE
Local DCBX Compatibility mode is CEE
Local DCBX Configured mode is CEE
Peer Operating version is CEE
Local DCBX TLVs Transmitted: ErPfI
Local DCBX Status
-----------------
DCBX Operational Version is 0
DCBX Max Version Supported is 0
Sequence Number: 14
Acknowledgment Number: 5
Protocol State: In-Sync
Peer DCBX Status
-----------------
DCBX Operational Version is 0
DCBX Max Version Supported is 255
Sequence Number: 5
Acknowledgment Number: 14
220 Input PFC TLV pkts, 350 Output PFC TLV pkts, 0 Error PFC pkts
220 Input PG TLV Pkts, 396 Output PG TLV Pkts, 0 Error PG TLV Pkts
71 Input Appln Priority TLV pkts, 80 Output Appln Priority TLV pkts, 0 Error Appln
Priority TLV Pkts
Total DCBX Frames transmitted 538
Total DCBX Frames received 220
Total DCBX Frame errors 0
Total DCBX Frames unrecognized 0
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