1．JUNOS简介........................................................................................................................................ 7
1.1 系统启动顺序............................................................................................................................. 7
1.2 系统启动、关闭和升级............................................................................................................. 8
1.2.1 RSR 系统启动................................................................................................................. 8
1.2.2，关机或者从启动。........................................................................................................ 8
1.2.3 更新系统软件.................................................................................................................. 9
1.3 使用junos 帮助.......................................................................................................................... 9
2. JUNOS CLI..........................................................................................................................................11
2.1 CLI 的模式...............................................................................................................................11
2.1.1 CLI 操作模式................................................................................................................ 12
2.1.2 配置模式........................................................................................................................ 14
3．系统管理和服务............................................................................................................................... 20
3.1 Root 帐户................................................................................................................................. 20
3.1.1 登陆............................................................................................................................... 20
3.1.2 配置root 密码............................................................................................................... 20
3.2 管理user 账号和访问.............................................................................................................. 21
3.2.1 user 帐户........................................................................................................................ 21
3.2.2 login classes .................................................................................................................... 21
3.3 services and processes................................................................................................................ 22
3.3.1 设置 host name 、dns、domain-name ......................................................................... 22
3.3.2 设置Telnet、SSH........................................................................................................... 23
3.3.2 设置FTP......................................................................................................................... 26
3.3.3 设置时间和时区、NTP （network time protocol） ................................................... 27
3.3.4 配置SNMP..................................................................................................................... 31
3.3.5 诊断工具 ping、traceroute、syslog、......................................................................... 32
4，interface 配置和控制........................................................................................................................ 36
4.1 标准接口命名规则.................................................................................................................... 36
4.2 配置Ethernet interface : GE and FE ......................................................................................... 39
4.4.1 MAC 地址设置.............................................................................................................. 39
4.4.2 VLAN Tagging................................................................................................................ 40
4.2.3 Source Filtering............................................................................................................... 41
4.3 配置VRRP （RFC 2338）...................................................................................................... 42
4.3.1 工作原理........................................................................................................................ 42
4.3.2 RSR 实现....................................................................................................................... 42
4.4 Aggregated Interfaces ............................................................................................................. 44
4.5 Troubleshooting interface........................................................................................................... 47
4.5.1 monitor interface ............................................................................................................. 47
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4.5.1 show interfaces fe-0/0/0 extensive .................................................................................. 47
4.5.2 在E-1 Loopback 测试物理链路使用........................................................................... 47
5. protocol-Independent Routing ............................................................................................................. 49
5.1 静态路由协议........................................................................................................................... 49
5.2 Aggregated Routes 和 Generated Routes......................................................................... 50
5.3 Martian Routes................................................................................................................... 51
5.4 JUNOS 路由表......................................................................................................................... 52
5.5 JUNOS software Preference Values ................................................................................ 53
5.6 新添加路由表........................................................................................................................... 54
5.7 Load Balancing .......................................................................................................................... 54
5.8 其它 Features ......................................................................................................................... 56
6．Route policy ...................................................................................................................................... 58
6.1 policy overview......................................................................................................................... 58
6.2 什么时候使用路由策略........................................................................................................... 58
6.3 输入输出策略........................................................................................................................... 58
6.4 查看策略操作........................................................................................................................... 59
6.5 路由策略链............................................................................................................................... 59
6.6 匹配条件.................................................................................................................................. 60
6.7 匹配后动作............................................................................................................................... 61
6.8 default policy............................................................................................................................. 61
6.9 Route Filters.............................................................................................................................. 62
6.10 Route Filters and Other Match Criteria .............................. 63
6.11 Applying Routing Policies ........................................... 64
6.12 BGP Policy Application .............................................. 65
7．Routing Information Protocol （RIP） ............................................................................................ 66
7.1 RIP技术概述............................................................................................................................. 66
7.2.1 路由选择环路................................................................................................................ 67
7.2.2 RIP报文格式................................................................................................................... 69
7.3 RIP 配置................................................................................................................................... 70
7.3 Monitoring RIP .................................................................................................................. 70
7.3.2 查看RIP 路由表............................................................................................................ 71
7.3.3 查看RIP发布到指定邻居的路由.................................................................................. 71
7.3.4 查看RIP收到指定邻居的路由...................................................................................... 71
7.3.5 查看RIP的statistics........................................................................................................ 72
7.3.5 存放RIP log.................................................................................................................... 72
7.4 配置案例.................................................................................................................................. 73
8. Open Shortest Path First (OSPF) ......................................................................................................... 76
8.1 引言.......................................................................................................................................... 76
8.2 OSPF技术概述.......................................................................................................................... 77
8.2.1 链路状态路由协议........................................................................................................ 77
8.2.2 扩散............................................................................................................................... 77
8.2.3 Diskjtra算法.................................................................................................................... 77
8.2.4 区域............................................................................................................................... 78
8.2.5 主干区域0..................................................................................................................... 78
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8.2.6 指定路由器.................................................................................................................... 78
8.2.7 OSPF协议包................................................................................................................... 79
8.2.8 链路状态通告................................................................................................................ 80
8.2.9 OSPF网的类型............................................................................................................... 82
8.3 配置OSPF................................................................................................................................ 82
8.3.1 单区域............................................................................................................................ 82
8.3.2 配置OSPF多区域.......................................................................................................... 83
8.3.2 配置a Stub Area ............................................................................................................. 83
8.3.3 配置a Not-So-Stubby Area ............................................................................................ 83
8.4.4 配置OSPF Virtual Link.................................................................................................. 84
8.3.5 配置OSPF Router Interfaces.......................................................................................... 84
8.3.6 配置验证........................................................................................................................ 84
8.4 JUNOS Troubleshooting ............................................................................................................ 85
8.4.1 查看参与OSPF运行的接口show ospf interface ........................................................... 85
8.4.2 查看OSPF 邻居............................................................................................................ 85
8.4.3 查看OSPF LSA 数据库................................................................................................ 86
8.4.3 清空OSPF 数据库........................................................................................................ 87
8.4.5 查看OSPF Log............................................................................................................... 87
8.4.6 查看OSPF statistics ........................................................................................................ 88
8.4.7 查看运行OSPF 算法.................................................................................................... 89
8.4.8 查看ospf 路由............................................................................................................... 89
8.5 配置OSPF 多区域................................................................................................................... 90
8.5.1 查看RSR ospf 学习的路由.......................................................................................... 94
8.5.2 查看OSPF 邻接关系.................................................................................................... 95
8.5.3 查看参与ospf 接口....................................................................................................... 95
8.5.4 查看路由表摘要............................................................................................................ 96
8.5.5 查看转发表..................................................................................................................... 96
8.5.6 查看接口cost ................................................................................................................. 96
8.5.7 OSPF Authentication....................................................................................................... 97
8.6 配置Stub Areas ....................................................................................................................... 101
8.7 配置Not-So-Stubby Areas (NSSA)......................................................................................... 106
8.8 配置Virtual Links.................................................................................................................... 106
9. Firewall Filters ...................................................................................................................................111
9.1 firewall Filters Overview ..........................................................................................................111
9.2 执行 Firewall Filter.................................................................................................................111
9.2.1 firewall filter 命令格式.................................................................................................111
9.2.2 默认动作.......................................................................................................................112
9.2.3 匹配条件.......................................................................................................................112
9.2.4 动作...............................................................................................................................117
9.2.3 Applying Firewall Filters .............................................................................................. 120
9.3 Protecting the Routing Engine ................................................................................................. 121
9.4 Rate Limits.............................................................................................................................. 121
9.5 show firewall........................................................................................................................... 123
9.5.1 show firewall log........................................................................................................ 123
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9.5.2 show log messages ........................................................................................................ 123
9.5.3 show interfaces filters ................................................................................................... 124
9.6 Configuring Filter-Based Forwarding...................................................................................... 124
