H3CTE最新笔记0.6 包括考试内容 以及H3CTE考试设备及现场情...
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
第一章：故障排除故障........................................................................................................................2
故障排除过程文档化....................................................................................................................2
路由器常用诊断工具介绍............................................................................................................4
ping 命令： ...........................................................................................................................4
tracert命令.............................................................................................................................4
display命令（重点） ...........................................................................................................4
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
如何提高用户权限(考试注意) ..........................................................................................10
PPP验证失败考点注意......................................................................................................10
MP技术考试注意点(MP-GROUP)...................................................................................11
考点：MP技术，两个物理端口没有捆绑上.................................................................11
VLAN协议故障排除..................................................................................................................12
交换机端口的模式和类型： .............................................................................................12
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
查询域设置的情况：..........................................................................................................17
第四章：路由协议故障排除..............................................................................................................18
路由优先级列表-H3C.................................................................................................................18
静态路由协议...............................................................................................................................18
RIP路由协议故障排除...............................................................................................................18
显示路由表的命令：..........................................................................................................18
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
OSPF路由策略...................................................................................................................24
OSPF的类型修改： ...........................................................................................................25
BGP路由协议故障排除.............................................................................................................26
BGP协议基本知识点.........................................................................................................26
BGP邻居=BGP PEER 对等体..........................................................................................26
通过二端物理口IP建立BGP邻居.................................................................................26
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
RR反射方案........................................................................................................................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
CBQ(QOS的队列技术) ..............................................................................................................31
第六章：安全VPN故障排除............................................................................................................32
VPN技术简介..............................................................................................................................32
GRE隧道故障排除.....................................................................................................................32
GRE隧道技术的特点： ....................................................................................................32
GRE隧道基本配置：.........................................................................................................32
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
主模式（固定端口IP）的IPSEC VPN的配置..............................................................34
双层隧道：GRE OVER IPSEC .........................................................................................35
NAT穿越......................................................................................................................................37
VRRP虚拟路由器冗余协议......................................................................................................38
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
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