ENSP静态路由实验一
分析：如图所知，我们可以知道我们需要6个骨干链路网段和R1-R2每个路由器存在两个环回接口，所以一共是14个网段。
过程：
1.配置接口IP和网段信息
2.R1-R4配置缺省路由，R5配置空接口路由，防止产生路由黑洞。
3.配置R4-R5之间的浮动静态路由。
4.测试
配置：
1.划分区段
2.配置接口IP地址：
r1配置：
[r1]int l0
[r1-LoopBack0]ip address 192.168.1.33 28
[r1-LoopBack0]int l1
[r1-LoopBack1]ip address 192.168.1.49 28
[r1]int g0/0/0
[r1-GigabitEthernet0/0/0]ip address 192.168.1.1 30
[r1-GigabitEthernet0/0/0]int g0/0/1
[r1-GigabitEthernet0/0/1]ip address 192.168.1.5 30
r2配置:
[r2]int l0
[r2-LoopBack0]ip address 192.168.1.65 28
[r2-LoopBack0]int l1
[r2-LoopBack1]ip address 192.168.1.81 28
[r2]int g0/0/0
[r2-GigabitEthernet0/0/0]ip address 192.168.1.2 30
[r2-GigabitEthernet0/0/0]int g0/0/1
[r2-GigabitEthernet0/0/1]ip address 192.168.1.9 30
r3配置：
[r3]int l0
[r3-LoopBack0]ip address 192.168.1.97 28
[r3-LoopBack0]int l1
[r3-LoopBack1]ip address 192.168.1.113 28
[r3]int g0/0/0
[r3-GigabitEthernet0/0/0]ip address 192.168.1.6 30
[r3-GigabitEthernet0/0/0]int g0/0/1
[r3-GigabitEthernet0/0/1]ip address 192.168.1.13 30
r4配置：
[r4]int g0/0/0
[r4-GigabitEthernet0/0/0]ip address 192.168.1.14 30
[r4-GigabitEthernet0/0/0]int g0/0/1
[r4-GigabitEthernet0/0/1]ip address 192.168.1.10 30
[r4-GigabitEthernet0/0/1]int g0/0/2
[r4-GigabitEthernet0/0/2]ip address 192.168.1.17 30
[r4-GigabitEthernet0/0/2]int g4/0/0
[r4-GigabitEthernet4/0/0]ip address 192.168.1.21 30
[r4-GigabitEthernet4/0/0]int l0
[r4-LoopBack0]ip address 192.168.1.129 28
[r4-LoopBack0]int l1
[r4-LoopBack1]ip address 192.168.1.145 28
r5配置：
[r5]int g0/0/0
[r5-GigabitEthernet0/0/0]ip address 192.168.1.18 30
[r5-GigabitEthernet0/0/0]int g0/0/1
[r5-GigabitEthernet0/0/1]ip address 192.168.1.22 30
[r5-GigabitEthernet0/0/1]int l0
[r5-LoopBack0]ip address 5.5.5.5 24
3. 配置静态路由和缺省路由：
r1配置：
R1---->R2
[r1]ip route-static 192.168.1.64 27 192.168.1.2
[r1]ip route-static 192.168.1.8 30 192.168.1.2
R1---->R4
[r1]ip route-static 192.168.1.128 27 192.168.1.2
[r1]ip route-static 192.168.1.128 27 192.168.1.6
[r1]ip route-static 192.168.1.16 30 192.168.1.2
[r1]ip route-static 192.168.1.16 30 192.168.1.6
R1---->R3
[r1]ip route-static 192.168.1.12 30 192.168.1.6
[r1]ip route-static 192.168.1.96 27 192.168.1.6
缺省：
[r1]ip route-static 0.0.0.0 0 192.168.1.6
[r1]ip route-static 0.0.0.0 0 192.168.1.2
空接口：
[r1]ip route-static 192.168.1.32 27 NULL 0
浮动静态路由：
[r1]ip route-static 192.168.1.20 30 192.168.1.2
[r1]ip route-static 192.168.1.20 30 192.168.1.6
r2配置：
R2---->R4
[r2]ip route-static 192.168.1.128 27 192.168.1.10
[r2]ip route-static 192.168.1.16 30 192.168.1.10
[r2]ip route-static 192.168.1.12 30 192.168.1.10
R2---->R3采用负载均衡
[r2]ip route-static 192.168.1.96 27 192.168.1.10
[r2]ip route-static 192.168.1.96 27 192.168.1.1
[r2]ip route-static 192.168.1.4 30 192.168.1.1
R2---->R1
[r2]ip route-static 192.168.1.32 27 192.168.1.1
缺省：
[r2]ip route-static 0.0.0.0 0 192.168.1.10
空接口：
[r2]ip route-static 192.168.1.64 27 NULL 0
浮动静态路由：
[r2]ip route-static 192.168.1.20 30 192.168.1.10
r3配置：
R3---->R1
[r3]ip route-static 192.168.1.32 27 192.168.1.5
[r3]ip route-static 192.168.1.0 30 192.168.1.5
R3---->R2采用负载均衡
[r3]ip route-static 192.168.1.64 27 192.168.1.5
[r3]ip route-static 192.168.1.64 27 192.168.1.14
R3---->R5
[r3]ip route-static 192.168.1.8 30 192.168.1.14
[r3]ip route-static 192.168.1.16 30 192.168.1.14
[r3]ip route-static 192.168.1.20 30 192.168.1.14
缺省：
[r3]ip route-static 0.0.0.0 0 192.168.1.14
空接口：
[r3]ip route-static 192.168.1.96 27 NULL 0
浮动静态路由：
[r3]ip route-static 192.168.1.20 30 192.168.1.14
r4配置：
r4---->r3
[r4]ip route-static 192.168.1.96 27 192.168.1.13
[r4]ip route-static 192.168.1.4 30 192.168.1.13
R4---->R1采用负载均衡
[r4]ip route-static 192.168.1.32 27 192.168.1.13
[r4]ip route-static 192.168.1.32 27 192.168.1.9
R4---->R2
[r4]ip route-static 192.168.1.0 30 192.168.1.9
[r4]ip route-static 192.168.1.64 27 192.168.1.9
缺省：
[r4]ip route-static 0.0.0.0 0 192.168.1.18
空接口：
[r4]ip route-static 192.168.1.128 27 NULL 0
浮动静态路由：
[r4]ip route-static 0.0.0.0 0 192.168.1.22 preference 70
r5配置：
[r5]ip route-static 192.168.1.32 27 192.168.1.17
[r5]ip route-static 192.168.1.64 27 192.168.1.17
[r5]ip route-static 192.168.1.96 27 192.168.1.17
[r5]ip route-static 192.168.1.128 27 192.168.1.17
[r5]ip route-static 192.168.1.0 30 192.168.1.17
[r5]ip route-static 192.168.1.4 30 192.168.1.17
[r5]ip route-static 192.168.1.8 30 192.168.1.17
[r5]ip route-static 192.168.1.12 30 192.168.1.17
浮动静态路由：
[r5]ip route-static 192.168.1.0 255.255.255.252 192.168.1.21 preference 61
[r5]ip route-static 192.168.1.4 255.255.255.252 192.168.1.21 preference 61
[r5]ip route-static 192.168.1.8 255.255.255.252 192.168.1.21 preference 61
[r5]ip route-static 192.168.1.12 255.255.255.252 192.168.1.21 preference 61
[r5]ip route-static 192.168.1.32 255.255.255.252 192.168.1.21 preference 61
[r5]ip route-static 192.168.1.64 255.255.255.252 192.168.1.21 preference 61
[r5]ip route-static 192.168.1.96 255.255.255.252 192.168.1.21 preference 61
[r5]ip route-static 192.168.1.128 255.255.255.252 192.168.1.21 preference 61
测试：
