数通高培实验指导书ISSUE 1.0

发布时间 : 2024/5/18 5:44:01 星期六 文章数通高培实验指导书ISSUE 1.0更新完毕开始阅读

数通高培工程师实验指导书ISSUE1.0

学员用书

127.0.0.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0 127.255.255.255/32 DIRECT 0 0 127.0.0.1 InLoopBack0 255.255.255.255/32 DIRECT 0 0 127.0.0.1 InLoopBack0

[router-B]display ip routing-table Routing Table: public net

Destination/Mask Protocol Pre Cost Nexthop Interface 1.1.1.0/24 DIRECT 0 0 1.1.1.2 GigabitEthernet4/0/ 0

1.1.1.2/32 DIRECT 0 0 127.0.0.1 InLoopBack0 1.1.1.255/32 DIRECT 0 0 127.0.0.1 InLoopBack0 20.1.1.0/24 STATIC 60 0 1.1.1.1 GigabitEthernet4/0/ 0

30.1.1.0/24 DIRECT 0 0 30.1.1.1 LoopBack1 30.1.1.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0 30.1.1.255/32 DIRECT 0 0 127.0.0.1 InLoopBack0 127.0.0.0/8 DIRECT 0 0 127.0.0.1 InLoopBack0 127.0.0.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0 127.255.255.255/32 DIRECT 0 0 127.0.0.1 InLoopBack0 255.255.255.255/32 DIRECT 0 0 127.0.0.1 InLoopBack0 2. 使用1.1.1.0/24网段将路由器A和B连接起来，B上配置默认路由使A成为B的网关路由器

相关配置命令：

ip route-static 0.0.0.0 { 0.0.0.0 | 0 } {interface-name | gateway-address } [ preference value ] [ reject | blackhole 路由器A配置和上面一致 路由器B的配置：

[router-B] interface GigabitEthernet4/0/0

[router-B-GigabitEthernet4/0/0] undo negotiation auto

华为技术有限公司 版权所有, 未经许可不得扩散

35

数通高培工程师实验指导书ISSUE1.0

学员用书

[router-B-GigabitEthernet4/0/0] undo shutdown

[router-B-GigabitEthernet4/0/0] ip address 1.1.1.2 255.255.255.0 [router-B] interface LoopBack1

[router-B-LoopBack1] ip address 30.1.1.1 255.255.255.0 [router-B] ip route-static 0.0.0.0 0.0.0.0 1.1.1.1 preference 60 配置完成后，使用display ip routing-table命令查看路由器的路由表。 display ip routing-table Routing Table: public net

Destination/Mask Protocol Pre Cost Nexthop Interface 0.0.0.0/0 STATIC 60 0 1.1.1.1 GigabitEthernet4/0/ 0

1.1.1.0/24 DIRECT 0 0 1.1.1.2 GigabitEthernet4/0/ 0

1.1.1.2/32 DIRECT 0 0 127.0.0.1 InLoopBack0 1.1.1.255/32 DIRECT 0 0 127.0.0.1 InLoopBack0 30.1.1.0/24 DIRECT 0 0 30.1.1.1 LoopBack1 30.1.1.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0 30.1.1.255/32 DIRECT 0 0 127.0.0.1 InLoopBack0 127.0.0.0/8 DIRECT 0 0 127.0.0.1 InLoopBack0 127.0.0.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0 127.255.255.255/32 DIRECT 0 0 127.0.0.1 InLoopBack0 255.255.255.255/32 DIRECT 0 0 127.0.0.1 InLoopBack0 3. 使用1.1.1.0/24和2.2.2.0/24两个网段将路由器A和B连接起来，配置两条优先级不同的静态路由使得A访问30.1.1.0/24网段时实现链路备份。 路由器A的配置：

[router-A]interface GigabitEthernet2/0/0

[router-A-GigabitEthernet2/0/0]undo negotiation auto [router-A-GigabitEthernet2/0/0]undo shutdown

[router-A-GigabitEthernet2/0/0] ip address 1.1.1.1 255.255.255.0

36

华为技术有限公司 版权所有, 未经许可不得扩散

数通高培工程师实验指导书ISSUE1.0

学员用书

[router-A]interface GigabitEthernet2/0/1

[router-A-GigabitEthernet2/0/1]undo negotiation auto [router-A-GigabitEthernet2/0/1]undo shutdown

[router-A-GigabitEthernet2/0/1] ip address 2.2.2.1 255.255.255.0 [router-A]interface LoopBack1

[router-A-LoopBack1] ip address 20.1.1.1 255.255.255.0

[router-A]ip route-static 30.1.1.0 255.255.255.0 1.1.1.2 preference 60 [router-A]ip route-static 30.1.1.0 255.255.255.0 2.2.2.2 preference 100 路由器B配置：

[router-B] interface GigabitEthernet4/0/0

[router-B-GigabitEthernet4/0/0] undo negotiation auto [router-B-GigabitEthernet4/0/0] undo shutdown

[router-B-GigabitEthernet4/0/0] ip address 1.1.1.2 255.255.255.0 [router-B] interface GigabitEthernet4/0/1

[router-B-GigabitEthernet4/0/1] undo negotiation auto [router-B-GigabitEthernet4/0/1] undo shutdown

[router-B-GigabitEthernet4/0/1] ip address 2.2.2.2 255.255.255.0 [router-B] interface LoopBack1

[router-B-LoopBack1] ip address 30.1.1.1 255.255.255.0

[router-B] ip route-static 20.1.1.0 255.255.255.0 1.1.1.1 preference 60 [router-B] ip route-static 20.1.1.0 255.255.255.0 2.2.2.1 preference 100 配置完毕后，使用display ip routing-table查看路由器A的路由表的情况。 display ip routing-table Routing Table: public net

Destination/Mask Protocol Pre Cost Nexthop Interface 1.1.1.0/24 DIRECT 0 0 1.1.1.1 GigabitEthernet2/0/ 0

1.1.1.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0 1.1.1.255/32 DIRECT 0 0 127.0.0.1 InLoopBack0

华为技术有限公司 版权所有, 未经许可不得扩散

37

数通高培工程师实验指导书ISSUE1.0

学员用书

2.2.2.0/24 DIRECT 0 0 2.2.2.1 GigabitEthernet2/0/ 1

2.2.2.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0 2.2.2.255/32 DIRECT 0 0 127.0.0.1 InLoopBack0 20.1.1.0/24 DIRECT 0 0 20.1.1.1 LoopBack1 20.1.1.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0 20.1.1.255/32 DIRECT 0 0 127.0.0.1 InLoopBack0 30.1.1.0/24 STATIC 60 0 1.1.1.2 GigabitEthernet2/0/ 0

127.0.0.0/8 DIRECT 0 0 127.0.0.1 InLoopBack0 127.0.0.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0 127.255.255.255/32 DIRECT 0 0 127.0.0.1 InLoopBack0 255.255.255.255/32 DIRECT 0 0 127.0.0.1 InLoopBack0 发现使用一条配置的静态路由加入了路由表中，而且是preference值较小的。 如果我们对路由器A的GigabitEthernet2/0/0接口执行shutdown操作，然后再查看路由器A的路由表情况。 display ip routing-table Routing Table: public net

Destination/Mask Protocol Pre Cost Nexthop Interface 2.2.2.0/24 DIRECT 0 0 2.2.2.1 GigabitEthernet2/0/ 1

2.2.2.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0 2.2.2.255/32 DIRECT 0 0 127.0.0.1 InLoopBack0 20.1.1.0/24 DIRECT 0 0 20.1.1.1 LoopBack1 20.1.1.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0 20.1.1.255/32 DIRECT 0 0 127.0.0.1 InLoopBack0 30.1.1.0/24 STATIC 100 0 2.2.2.2 GigabitEthernet2/0/ 1

127.0.0.0/8 DIRECT 0 0 127.0.0.1 InLoopBack0

38

华为技术有限公司 版权所有, 未经许可不得扩散