华三H3CTE最新笔记

H3CTE 笔记 BY WSH

H3CTE 考点总结

考试用路由器和交换机： .................................................................................................................... 1

考试使用的路由器 5 台，型号：MSR20 .................................................................................. 1

考试使用的交换机：3-5 台，型号：H3C-S3610 ..................................................................... 1

考场概况： ..................................................................................................................................... 2

考场实战经验（远程考试）........................................................................................................ 2

reset 命令(用户模式下) ....................................................................................................... 6

debugging 命令 ..................................................................................................................... 7

第二章：设备启动、广域网接口及以太网故障查询 ...................................................................... 7

同步异步串口................................................................................................................................. 7

第三章：数据链路层故障排除 ............................................................................................................ 8

PPP 协议故障排除......................................................................................................................... 8

考试重点： ............................................................................................................................ 8

PPP 工作步骤： .................................................................................................................... 8

MSR 系列路由器 PPP 双向 CHAP 验证功能配置 ........................................................... 8

MSR 系列路由器 PPP 双向 PAP 验证功能配置 ............................................................... 9

查看交换机所有端口列表信息 ......................................................................................... 12

显示端口确实通过的 VLAN 和允许通过的 VLAN ...................................................... 13

ACCESS 端口和 TRUNK 端口的配置............................................................................. 13

VLAN 错误点三个总结 ..................................................................................................... 14

VLAN 间的路由方式.......................................................................................................... 15

GVRP 考点（动态学习 VLAN，必须相同的厂家） .................................................... 15

STP 协议故障排除 ...................................................................................................................... 16

MSTP 的基本概念 .............................................................................................................. 16

MSTP 配置命令................................................................................................................... 16

查看 MSTP 配置情况： ..................................................................................................... 17

H3CTE 笔记 BY WSH

RIP V2 的配置命令 ............................................................................................................. 19

RIP 路由协议 2 大考点 ...................................................................................................... 19

静默路由口的特点 .............................................................................................................. 19

OSPF 协议故障排除.................................................................................................................... 20

OSPF 协议考点 ................................................................................................................... 20

OSPF 的基本概念 ............................................................................................................... 20

OSPF 的基本配置 ............................................................................................................... 20

查看 OSPF 信息的命令： .................................................................................................. 21

OSPF 路由引入 ................................................................................................................... 23

OSPF 开销计算 ................................................................................................................... 23

OSPF 外部路由类型 ........................................................................................................... 24

OSPF 路由协议认证 ........................................................................................................... 24

通过两个端口的 LOOPBACK 环回建立 BGP 邻居 ...................................................... 27

TE 考试通常连接方式：.................................................................................................... 28

BGP 路由手工宣告两种方式 ............................................................................................ 28

BGP 路由的传递 ................................................................................................................. 28

最优路由的传递 .................................................................................................................. 29

BGP 的度量/属性 ................................................................................................................ 29

BGP3 个必须遵守的属性................................................................................................... 30

第五章：网络应用故障排除 .............................................................................................................. 30

DHCP 应用 ................................................................................................................................... 30

IPsec 和 GRE 的比较： ..................................................................................................... 33

IKE 和 IPSEC 故障排除 ............................................................................................................. 33

IPSEC VPN 特点 ................................................................................................................. 33

IPSEC VPN 的两个组件..................................................................................................... 33

IPSEC VPN 的建立过程： ................................................................................................ 34

私网 IP 如何传递数据 DATA： ........................................................................................ 34

H3CTE 笔记 BY WSH

实现：网关的主备功能 ..................................................................................................... 38

VRRP 认证 ........................................................................................................................... 38

VRRP 错误点 ....................................................................................................................... 38

VRRP 跟踪上行端口 .......................................................................................................... 39

第七章：故障排除模拟测试 .............................................................................................................. 39

PPP 协议故障排除模拟实验 ...................................................................................................... 39

第八章：附录 ....................................................................................................................................... 40

子网的计算，解决掩码不一致导致的问题............................................................................. 40

子网的计算 .......................................................................................................................... 40

广播地址的计算 .................................................................................................................. 40

有效地址的计算 .................................................................................................................. 40

H3CTE 笔记 BY WSH

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考试用路由器和交换机：

考试使用的路由器 5 台，型号：MSR20

http://www.h3c.com.cn/Products%5F%5F%5FTechnology/Products/IP%5FNetwork/Router/MSR/

MSR%5F20/Home/Detail%5FMaterial%5FList/Specifications/

考试使用的交换机：3-5 台，型号：H3C-S3610

S3610-28F：24 个 100Base-X SFP 百兆以太网端口，2 个 1000Base-X

http://www.h3c.com.cn/Products%5F%5F%5FTechnology/Products/IP%

5FNetwork/Switches/S3610/S3610/

H3CTE 笔记 BY WSH

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考场实战经验（远程考试）

第一章：故障排除故障

故障排除过程文档化