OPEN Alliance Automotive Ethernet ECU Test Specification Layer 2 V3.0：详解车载网络关键测试标准

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本资源是一份由OPEN Alliance Automotive Ethernet TC8 Working Group编写的关于车载以太网ECU（Electronic Control Unit）测试规范的文档，标题为"OPEN Alliance Automotive Ethernet ECU Test Specification Layer 2"，版本为3.0，发布日期为2020年5月8日。该规范处于最终状态，但仅对OPEN Alliance的技术成员开放。这份文档的核心内容集中在Layer 2（数据链路层）测试上，适用于车载网络环境中的电子控制单元通信。Layer 2是网络通信的基础层次，负责帧的传输，包括MAC地址处理、介质访问控制以及错误检测等功能。测试规格涵盖了IPv4、UDP（用户数据报协议）和ICMPv4（Internet Control Message Protocol version 4）相关的测试用例，反映了多次修订和改进，如： 1. 第1.0版：2016年1月15日首次发布，主要关注IPv4测试用例。 2. 第1.1版：2016年5月31日更新，对IPv4测试用例进行了优化。 3. 第1.2版：同年6月29日，增加了对UDP测试用例的改进。 4. 第1.3版：9月7日，针对ICMPv4测试用例进行了调整。值得注意的是，第1.4版中删除了章5.6中的DHCPv4 Server（动态主机配置协议版本4服务器）部分，具体更改未在提供的内容中详述。此文档的目标是确保车载以太网ECUs在实际应用中的性能和兼容性，通过严格的测试标准来验证通信的可靠性、效率和安全性。对于汽车行业参与者来说，这份规范提供了重要的测试框架，帮助制造商、供应商和技术成员确保他们的产品符合行业内的通信标准和最佳实践。同时，随着技术的发展和新需求的出现，后续版本可能会包含更多的功能测试和新的测试案例，以适应不断变化的车载网络环境。

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OPEN Alliance Automotive Ethernet ECU Test Specification Layer 2 May-20 12

5.3 VLAN Testing

5.3.1.1.1 SWITCH_VLAN_X001: VLAN_untagged_external

Synopsys

Check if untagged frames are dropped or forwarded to external ports according to the

customer's VLAN requirements.

Prerequisites

n/a

Test setup

Standard test setup for switching

Test Input

Parameters

VLAN configuration

Test Procedure

1. From the test station, send untagged broadcast frames to every DUT port.

2. On every test station port, check if the frames are received as expected

according to the customer's VLAN requirements.

Pass Criteria

2. Every frame sent from the test station that is expected to be forwarded

according to the customer's VLAN requirements has been received at the

expected test station ports.

2. No frame that is not expected to be forwarded according to the customer's

VLAN requirements has been received at any unexpected test station ports.

2. Every frame received at the test station is untagged, single-tagged or

double-tagged, respectively, according to the customer's VLAN requirements.

2. Every single-tagged or double-tagged frame carries the correct inner and/or

outer TPID and the correct VIDs according to the customer's VLAN

requirements.

Reference

802.1Q-2018

Notes

n/a

5.3.1.1.2 SWITCH_VLAN_X002: VLAN_single-tagged_external

Synopsys

Check if single-tagged frames are dropped or forwarded to external ports according to the

customer's VLAN requirements.

Prerequisites

n/a

Test setup

Standard test setup for switching

Test Input

Parameters

VLAN configuration

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Restriction Level: OPEN Technical Members Only

OPEN Alliance Automotive Ethernet ECU Test Specification Layer 2 May-20 13

Test Procedure

1. From the test station, send single-tagged broadcast frames to every DUT

port. The TPID shall be 0x8100. The test station shall iterate through every

VID for every combination of ingress and egress port, including VID 0 and

VID 4095.

2. On every test station port, check if the frames are received as expected

according to the customer's VLAN requirements.

Pass Criteria

2. Every frame sent from the test station that is expected to be forwarded

according to the customer's VLAN requirements has been received at the

expected test station ports.

2. No frame that is not expected to be forwarded according to the customer's

VLAN requirements has been received at any unexpected test station ports.

2. Every frame received at the test station is untagged, single-tagged or

double-tagged, respectively, according to the customer's VLAN requirements.

2. Every single-tagged or double-tagged frame carries the correct inner and/or

outer TPID and the correct VIDs according to the customer's VLAN

requirements.

Reference

802.1Q-2018

Notes

n/a

5.3.1.1.3 SWITCH_VLAN_X003: VLAN_regular_double-tagged_outer_TPID_0x88a8_external

Synopsys

Check if regularly double-tagged frames with outer TPID 0x88a8 are dropped or forwarded

to external ports according to the customer's VLAN requirements.

Prerequisites

n/a

Test setup

Standard test setup for switching

Test Input

Parameters

VLAN configuration

Test

Procedure

1. From the test station, send double-tagged broadcast frames to every DUT

port. The inner TPID shall be 0x8100. The outer TPID shall be 0x88a8. The

VID of the inner and outer tag shall be the same. The test station shall

iterate through every VID for every combination of ingress and egress port,

including VID 0 and VID 4095.

2. On every test station port, check if the frames are received as expected

according to the customer's VLAN requirements.

Pass Criteria

2. Every frame sent from the test station that is expected to be forwarded

according to the customer's VLAN requirements has been received at the

expected test station ports.

OPEN Alliance

Restriction Level: OPEN Technical Members Only

OPEN Alliance Automotive Ethernet ECU Test Specification Layer 2 May-20 14

2. No frame that is not expected to be forwarded according to the customer's

VLAN requirements has been received at any unexpected test station ports.

2. Every frame received at the test station is untagged, single-tagged or double-

tagged, respectively, according to the customer's VLAN requirements.

2. Every single-tagged or double-tagged frame carries the correct inner and/or

outer TPID and the correct VIDs according to the customer's VLAN

requirements.

Reference

802.1Q-2018

Notes

n/a

5.3.1.1.4 SWITCH_VLAN_X004: VLAN_regular_double-tagged_outer_TPID_0x9100_external

Synopsys

Check if regularly double-tagged frames with outer TPID 0x9100 are dropped or forwarded

to external ports according to the customer's VLAN requirements.

Prerequisites

n/a

Test setup

Standard test setup for switching

Test Input

Parameters

VLAN configuration

Test

Procedure

1. From the test station, send double-tagged broadcast frames to every DUT

port. The inner TPID shall be 0x8100. The outer TPID shall be 0x9100. The

VID of the inner and outer tag shall be the same. The test station shall

iterate through every VID for every combination of ingress and egress port,

including VID 0 and VID 4095.

2. On every test station port, check if the frames are received as expected

according to the customer's VLAN requirements.

Pass Criteria

2. Every frame sent from the test station that is expected to be forwarded

according to the customer's VLAN requirements has been received at the

expected test station ports.

2. No frame that is not expected to be forwarded according to the customer's

VLAN requirements has been received at any unexpected test station ports.

2. Every frame received at the test station is untagged, single-tagged or double-

tagged, respectively, according to the customer's VLAN requirements.

2. Every single-tagged or double-tagged frame carries the correct inner and/or

outer TPID and the correct VIDs according to the customer's VLAN

requirements.

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