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DCBX 运行状态在 Dell EMC 网络交换机中显示为关闭

Summary: 作为 Dell EMC Storage Spaces Direct 就绪节点部署指南的一部分,对于使用 RoCE v2 for RDMA 和 Mellanox CX4 LX 适配器的基础架构,我们建议在主机操作系统中全局禁用 DCBX willing,并将网络适配器 DCBXMode 设置为 Host in charge。

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.

Symptoms

出现了什么问题?

部署和配置适用于 Microsoft Azure Stack HCI 的 Dell EMC 解决方案后,您可能会看到网络交换机上的 DCBX 操作状态可能显示为关闭。可以通过运行以下命令进行验证:

 show interfaces tengigabitethernet x/y pfc detail.

TOR1#show interfaces tengigabitethernet 1/5 pfc detail

Interface TenGigabitEthernet 1/5

Admin mode is on

Admin is enabled, Priority list is 3

Remote is disabled

Local is enabled, Priority list is 3

Oper status is init

PFC DCBX Oper status is Down

Reason: Waiting for Peer

State Machine Type is Symmetric

TLV Tx Status is enabled

PFC Link Delay 65535 pause quntams

Application Priority TLV Parameters :

--------------------------------------

FCOE TLV Tx Status is enabled

ISCSI TLV Tx Status is disabled

Local FCOE PriorityMap is 0x8

Local ISCSI PriorityMap is 0x0

1581 Input TLV pkts, 8649 Output TLV pkts, 121 Error pkts, 4495543 Pause Tx pkts, 374345 Pause Rx pkts

0 Input Appln Priority TLV pkts, 0 Output Appln Priority TLV pkts, 0 Error Appln Priority TLV Pkts

Cause

问题出在哪里?

作为 Dell EMC Storage Spaces Direct 就绪节点部署指南的一部分,对于使用 RoCE v2 for RDMA 和 Mellanox CX4 LX 适配器的基础架构,我们建议在主机操作系统中全局禁用 DCBX willing,并将网络适配器 DCBXMode 设置为 Host in charge。使用此配置时,没有下游实体与 Dell EMC 网络交换机交换 DCBX 信息,因此 DCBX 操作状态将在面向服务器的端口上显示为关闭。

Resolution

这不是一个障碍,也不是一个值得关注的问题。这按预期工作。

Affected Products

Switches
Article Properties
Article Number: 000131009
Article Type: Solution
Last Modified: 22 Jul 2024
Version:  4
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