陈2743 发表于 2016-6-6 00:24:13

用 GNS3 做CCNA网络实验(4)

  用 GNS3 做CCNA网络实验(4)
  
  7. 路由实验: 静态路由 Static Routing
  
  (1) 准备实验
  
  我们假定是关闭 GNS3 后重新打开 GNS3 开始新的实验。
  
  先为这次实验准备一个子目录,例如 在 gns3Project 下建一个子目录 stat1.
  
  在 GNS3 打开我们以前保存的已经测试过的 topology, 例如 router1.net  然后装入配置文件。
  
  在 GNS3 菜单 File -> Save topology as 把这个 topology 改名为 statr1.net 并保存 到 stat1 子目录下。
  
  在 菜单 File -> Import/Export 选 Export to a directory 把原来的配置卸出到子目录 stat1 下。
  
  

  
  这样,下面的实验所用到的 topology 和更改配置后的保存都放在这个子目录下。
  
  
  (2) 查看当前路由信息
  
  启动各个路由器 (R1, R2 和 PC1, PC2).
  
  R1 的输出:
  

  
  R2 的输出:
  
  

  
  
  (3) 配置路由器
  
  按照这个 topology, 路由器 R1 直接连接 2 个网段, 网络地址分别为:  192.168.100.0 和 172.17.1.0
  
  而数据包要发送到 网段 192.168.110.0, 则需要经过 R2 的端口 s2/1 进入,这个端口的地址是 172.17.1.2
  
  我们就在 R1 输入:
  
  

  
  
  同样, 路由器 R2 直接连接 2 个网段, 网络地址分别为:  192.168.110.0 和 172.17.1.0
  
  数据包要发送到 192.168.100.0 网段,是要经过 R1 的端口 s2/0 进入, 这个 s2/0 的地址是 172.17.1.1
  
  我们在 R2 输入:
  
  

  
  
  
  (3) 测试
  
  从 R1 ping R2 和 PC2
  

R1#ping 172.17.1.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.17.1.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 192/315/440 ms
R1#ping 192.168.110.253
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.110.253, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 244/288/316 ms
R1#ping 192.168.110.22
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.110.22, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 392/616/752 ms
R1#

   从 R2 ping R1 和 PC1
  

R2#ping 172.17.1.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.17.1.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 248/295/332 ms
R2#ping 192.168.100.254
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.100.254, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 228/292/368 ms
R2#ping 192.168.100.10
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.100.10, timeout is 2 seconds:
!!!
R2#

  
  从 PC1 ping R2 和 PC2
  

PC1#ping 192.168.100.254
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.100.254, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 356/636/1456 ms
PC1#ping 172.17.1.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.17.1.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 644/741/948 ms
PC1#ping 192.168.110.253
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.110.253, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 616/692/812 ms
PC1#ping 192.168.110.22
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.110.22, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1120/1224/1368 ms
PC1#

   从 PC2 ping R1 和 PC1
  

PC2#ping 192.168.100.254
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.100.254, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 728/791/812 ms
PC2#ping 192.168.100.10
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.100.10, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1064/1176/1288 ms
PC2#

   
  现在这个网络 3 个网段已经连通。
  
  (4) 启用路由协议后的路由信息
  
  R1:
  
  

  
  R2:
  
  

  
  
  
  下一步我们尝试动态路由协议的配置。
  
  
  :-
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