一個給自己挖坑的網絡綜合實驗

• 前言
• 一、需求
• 二、思維想法
• 三、實踐結果
• • 1、PC1連通性
  • 2、PC2連通性
  • 3、PC3連通性
  • 4、PC4連通性
  • 5、PC5連通性
  • 6、PC6連通性
• 四、問題出來了
• 五、找到原因
• 六、改完后的結果
• • PC4
  • PC5
• 總結

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前言

一、需求

全網互通，一個不留

二、思維想法

• AS100區域中，把R5和R7做成反射器，其余用OSPF互通
• AS200區域中，做個生成樹，加上VRRP，中間LSW1和LSW2中間做聚合，加上RIP，和BGP之間互相導入
• AS300區域中，G0/0/1接口做個PC1的網關，來連接路由和PC機，AS400同理。
• AS500和AS600一樣，做BGP連接不同AS域。

三、實踐結果

1、PC1連通性

PC>ping 192.168.10.100Ping 192.168.10.100: 32 data bytes, Press Ctrl_C to break From 192.168.10.100: bytes=32 seq=1 ttl=121 time=78 ms From 192.168.10.100: bytes=32 seq=2 ttl=121 time=110 ms From 192.168.10.100: bytes=32 seq=3 ttl=121 time=125 ms From 192.168.10.100: bytes=32 seq=4 ttl=121 time=93 ms From 192.168.10.100: bytes=32 seq=5 ttl=121 time=94 ms--- 192.168.10.100 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 78/100/125 msPC>ping 192.168.20.100Ping 192.168.20.100: 32 data bytes, Press Ctrl_C to break From 192.168.20.100: bytes=32 seq=1 ttl=121 time=125 ms From 192.168.20.100: bytes=32 seq=2 ttl=121 time=78 ms From 192.168.20.100: bytes=32 seq=3 ttl=121 time=109 ms From 192.168.20.100: bytes=32 seq=4 ttl=121 time=110 ms From 192.168.20.100: bytes=32 seq=5 ttl=121 time=93 ms--- 192.168.20.100 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 78/103/125 msPC>ping 192.168.30.100Ping 192.168.30.100: 32 data bytes, Press Ctrl_C to break From 192.168.30.100: bytes=32 seq=1 ttl=121 time=93 ms From 192.168.30.100: bytes=32 seq=2 ttl=121 time=110 ms From 192.168.30.100: bytes=32 seq=3 ttl=121 time=109 ms From 192.168.30.100: bytes=32 seq=4 ttl=121 time=94 ms From 192.168.30.100: bytes=32 seq=5 ttl=121 time=94 ms--- 192.168.30.100 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 93/100/110 msPC>ping 192.168.40.100Ping 192.168.40.100: 32 data bytes, Press Ctrl_C to break From 192.168.40.100: bytes=32 seq=1 ttl=121 time=125 ms From 192.168.40.100: bytes=32 seq=2 ttl=121 time=141 ms From 192.168.40.100: bytes=32 seq=3 ttl=121 time=109 ms From 192.168.40.100: bytes=32 seq=4 ttl=121 time=125 ms From 192.168.40.100: bytes=32 seq=5 ttl=121 time=125 ms--- 192.168.40.100 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 109/125/141 msPC>ping 10.4.20.20Ping 10.4.20.20: 32 data bytes, Press Ctrl_C to break From 10.4.20.20: bytes=32 seq=1 ttl=124 time=31 ms From 10.4.20.20: bytes=32 seq=2 ttl=124 time=31 ms From 10.4.20.20: bytes=32 seq=3 ttl=124 time=16 ms From 10.4.20.20: bytes=32 seq=4 ttl=124 time=31 ms From 10.4.20.20: bytes=32 seq=5 ttl=124 time=31 ms--- 10.4.20.20 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 16/28/31 ms

2、PC2連通性

PC>ping 192.168.40.100Ping 192.168.40.100: 32 data bytes, Press Ctrl_C to break From 192.168.40.100: bytes=32 seq=1 ttl=120 time=125 ms From 192.168.40.100: bytes=32 seq=2 ttl=120 time=109 ms From 192.168.40.100: bytes=32 seq=3 ttl=120 time=110 ms From 192.168.40.100: bytes=32 seq=4 ttl=120 time=125 ms From 192.168.40.100: bytes=32 seq=5 ttl=120 time=140 ms--- 192.168.40.100 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 109/121/140 msPC>ping 192.168.30.100Ping 192.168.30.100: 32 data bytes, Press Ctrl_C to break From 192.168.30.100: bytes=32 seq=1 ttl=120 time=93 ms From 192.168.30.100: bytes=32 seq=2 ttl=120 time=94 ms From 192.168.30.100: bytes=32 seq=3 ttl=120 time=110 ms From 192.168.30.100: bytes=32 seq=4 ttl=120 time=93 ms From 192.168.30.100: bytes=32 seq=5 ttl=120 time=110 ms--- 192.168.30.100 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 93/100/110 msPC>ping 192.168.20.100Ping 192.168.20.100: 32 data bytes, Press Ctrl_C to break From 192.168.20.100: bytes=32 seq=1 ttl=120 time=125 ms From 192.168.20.100: bytes=32 seq=2 ttl=120 time=109 ms From 192.168.20.100: bytes=32 seq=3 ttl=120 time=109 ms From 192.168.20.100: bytes=32 seq=4 ttl=120 time=141 ms From 192.168.20.100: bytes=32 seq=5 ttl=120 time=109 ms--- 192.168.20.100 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 109/118/141 msPC>ping 192.168.10.100Ping 192.168.10.100: 32 data bytes, Press Ctrl_C to break From 192.168.10.100: bytes=32 seq=1 ttl=120 time=94 ms From 192.168.10.100: bytes=32 seq=2 ttl=120 time=94 ms From 192.168.10.100: bytes=32 seq=3 ttl=120 time=125 ms From 192.168.10.100: bytes=32 seq=4 ttl=120 time=78 ms From 192.168.10.100: bytes=32 seq=5 ttl=120 time=94 ms--- 192.168.10.100 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 78/97/125 msPC>ping 10.3.10.10Ping 10.3.10.10: 32 data bytes, Press Ctrl_C to break From 10.3.10.10: bytes=32 seq=1 ttl=124 time=31 ms From 10.3.10.10: bytes=32 seq=2 ttl=124 time=31 ms From 10.3.10.10: bytes=32 seq=3 ttl=124 time=16 ms From 10.3.10.10: bytes=32 seq=4 ttl=124 time=31 ms From 10.3.10.10: bytes=32 seq=5 ttl=124 time=31 ms--- 10.3.10.10 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 16/28/31 ms

3、PC3連通性

PC>ping 192.168.40.100Ping 192.168.40.100: 32 data bytes, Press Ctrl_C to break From 192.168.40.100: bytes=32 seq=1 ttl=127 time=94 ms From 192.168.40.100: bytes=32 seq=2 ttl=127 time=78 ms From 192.168.40.100: bytes=32 seq=3 ttl=127 time=94 ms From 192.168.40.100: bytes=32 seq=4 ttl=127 time=94 ms From 192.168.40.100: bytes=32 seq=5 ttl=127 time=109 ms--- 192.168.40.100 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 78/93/109 msPC>ping 192.168.30.100Ping 192.168.30.100: 32 data bytes, Press Ctrl_C to break From 192.168.30.100: bytes=32 seq=1 ttl=126 time=109 ms From 192.168.30.100: bytes=32 seq=2 ttl=126 time=78 ms From 192.168.30.100: bytes=32 seq=3 ttl=126 time=125 ms From 192.168.30.100: bytes=32 seq=4 ttl=126 time=141 ms From 192.168.30.100: bytes=32 seq=5 ttl=127 time=62 ms--- 192.168.30.100 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 62/103/141 msPC>ping 192.168.20.100Ping 192.168.20.100: 32 data bytes, Press Ctrl_C to break From 192.168.20.100: bytes=32 seq=1 ttl=127 time=78 ms From 192.168.20.100: bytes=32 seq=2 ttl=127 time=63 ms From 192.168.20.100: bytes=32 seq=3 ttl=127 time=47 ms From 192.168.20.100: bytes=32 seq=4 ttl=127 time=47 ms From 192.168.20.100: bytes=32 seq=5 ttl=127 time=78 ms--- 192.168.20.100 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 47/62/78 msPC>ping 10.3.10.10Ping 10.3.10.10: 32 data bytes, Press Ctrl_C to break From 10.3.10.10: bytes=32 seq=1 ttl=120 time=78 ms From 10.3.10.10: bytes=32 seq=2 ttl=120 time=63 ms From 10.3.10.10: bytes=32 seq=3 ttl=120 time=93 ms From 10.3.10.10: bytes=32 seq=4 ttl=120 time=78 ms From 10.3.10.10: bytes=32 seq=5 ttl=120 time=94 ms--- 10.3.10.10 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 63/81/94 msPC>ping 10.4.20.20Ping 10.4.20.20: 32 data bytes, Press Ctrl_C to break From 10.4.20.20: bytes=32 seq=1 ttl=121 time=78 ms From 10.4.20.20: bytes=32 seq=2 ttl=121 time=78 ms From 10.4.20.20: bytes=32 seq=3 ttl=121 time=62 ms From 10.4.20.20: bytes=32 seq=4 ttl=121 time=78 ms From 10.4.20.20: bytes=32 seq=5 ttl=121 time=79 ms--- 10.4.20.20 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 62/75/79 ms

4、PC4連通性

PC>ping 192.168.10.100Ping 192.168.10.100: 32 data bytes, Press Ctrl_C to break From 192.168.10.100: bytes=32 seq=1 ttl=127 time=31 ms From 192.168.10.100: bytes=32 seq=2 ttl=127 time=31 ms From 192.168.10.100: bytes=32 seq=3 ttl=127 time=32 ms From 192.168.10.100: bytes=32 seq=4 ttl=127 time=31 ms From 192.168.10.100: bytes=32 seq=5 ttl=127 time=15 ms--- 192.168.10.100 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 15/28/32 msPC>ping 192.168.30.100Ping 192.168.30.100: 32 data bytes, Press Ctrl_C to break Request timeout! Request timeout! Request timeout! Request timeout! Request timeout!--- 192.168.30.100 ping statistics ---5 packet(s) transmitted0 packet(s) received100.00% packet lossPC>ping 192.168.40.100Ping 192.168.40.100: 32 data bytes, Press Ctrl_C to break From 192.168.40.100: bytes=32 seq=1 ttl=127 time=125 ms From 192.168.40.100: bytes=32 seq=2 ttl=127 time=93 ms From 192.168.40.100: bytes=32 seq=3 ttl=127 time=110 ms From 192.168.40.100: bytes=32 seq=4 ttl=127 time=94 ms From 192.168.40.100: bytes=32 seq=5 ttl=127 time=78 ms--- 192.168.40.100 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 78/100/125 ms

5、PC5連通性

PC>ping 192.168.10.100Ping 192.168.10.100: 32 data bytes, Press Ctrl_C to break Request timeout! Request timeout! Request timeout! Request timeout! Request timeout!--- 192.168.10.100 ping statistics ---5 packet(s) transmitted0 packet(s) received100.00% packet lossPC>ping 192.168.20.100Ping 192.168.20.100: 32 data bytes, Press Ctrl_C to break From 192.168.20.100: bytes=32 seq=1 ttl=126 time=62 ms From 192.168.20.100: bytes=32 seq=2 ttl=126 time=94 ms From 192.168.20.100: bytes=32 seq=3 ttl=126 time=94 ms From 192.168.20.100: bytes=32 seq=4 ttl=126 time=94 ms From 192.168.20.100: bytes=32 seq=5 ttl=126 time=78 ms--- 192.168.20.100 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 62/84/94 msPC>ping 192.168.40.100Ping 192.168.40.100: 32 data bytes, Press Ctrl_C to break From 192.168.40.100: bytes=32 seq=1 ttl=127 time=47 ms From 192.168.40.100: bytes=32 seq=2 ttl=127 time=78 ms From 192.168.40.100: bytes=32 seq=3 ttl=127 time=47 ms From 192.168.40.100: bytes=32 seq=4 ttl=127 time=47 ms From 192.168.40.100: bytes=32 seq=5 ttl=127 time=78 ms--- 192.168.40.100 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 47/59/78 ms

6、PC6連通性

PC>ping 192.168.30.100Ping 192.168.30.100: 32 data bytes, Press Ctrl_C to break From 192.168.30.100: bytes=32 seq=1 ttl=127 time=156 ms From 192.168.30.100: bytes=32 seq=2 ttl=127 time=63 ms From 192.168.30.100: bytes=32 seq=3 ttl=127 time=78 ms From 192.168.30.100: bytes=32 seq=4 ttl=127 time=47 ms From 192.168.30.100: bytes=32 seq=5 ttl=127 time=15 ms--- 192.168.30.100 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 15/71/156 msPC>ping 192.168.20.100Ping 192.168.20.100: 32 data bytes, Press Ctrl_C to break From 192.168.20.100: bytes=32 seq=1 ttl=127 time=172 ms From 192.168.20.100: bytes=32 seq=2 ttl=127 time=78 ms From 192.168.20.100: bytes=32 seq=3 ttl=127 time=94 ms From 192.168.20.100: bytes=32 seq=4 ttl=127 time=93 ms From 192.168.20.100: bytes=32 seq=5 ttl=127 time=94 ms--- 192.168.20.100 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 78/106/172 msPC>ping 192.168.10.100Ping 192.168.10.100: 32 data bytes, Press Ctrl_C to break From 192.168.10.100: bytes=32 seq=1 ttl=126 time=94 ms From 192.168.10.100: bytes=32 seq=2 ttl=126 time=94 ms From 192.168.10.100: bytes=32 seq=3 ttl=126 time=109 ms From 192.168.10.100: bytes=32 seq=4 ttl=126 time=110 ms From 192.168.10.100: bytes=32 seq=5 ttl=126 time=109 ms--- 192.168.10.100 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 94/103/110 msPC>ping 10.3.10.10Ping 10.3.10.10: 32 data bytes, Press Ctrl_C to break From 10.3.10.10: bytes=32 seq=1 ttl=120 time=110 ms From 10.3.10.10: bytes=32 seq=2 ttl=120 time=140 ms From 10.3.10.10: bytes=32 seq=3 ttl=120 time=94 ms From 10.3.10.10: bytes=32 seq=4 ttl=120 time=78 ms From 10.3.10.10: bytes=32 seq=5 ttl=120 time=94 ms--- 10.3.10.10 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 78/103/140 msPC>ping 10.4.20.20Ping 10.4.20.20: 32 data bytes, Press Ctrl_C to break From 10.4.20.20: bytes=32 seq=1 ttl=121 time=93 ms From 10.4.20.20: bytes=32 seq=2 ttl=121 time=94 ms From 10.4.20.20: bytes=32 seq=3 ttl=121 time=63 ms From 10.4.20.20: bytes=32 seq=4 ttl=121 time=93 ms From 10.4.20.20: bytes=32 seq=5 ttl=121 time=78 ms--- 10.4.20.20 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 63/84/94 ms

四、問題出來了

看到這里，我發現奇怪的現象了，PC3、PC4、PC5和PC6之間出現了奇怪的問題，就是PC3和PC6明顯的沒問題，都能互通，但是，PC4出現了ping vlan30 也就是PC5超時的問題，同樣的，PC5也出現了問題，就是PC5出現了ping vlan10 也就是PC3超時，這個問題就很奇怪。

五、找到原因

我多方面的排障之后，發現了問題，我在AS200里進行抓包排障，發現了問題
這里的所有接口，都出現了VRRP問題，也就是說，問題出現在VRRP上，但是，我在做VRRP的時候，用命令dis vrrp brife 查VRRP的虛擬路由的Master和Backup完全沒有問題，沒有出現一個三層交換機出現多個Master的情況。
所以我決定刪除VRRP再試試

六、改完后的結果

PC4

PC>ping 192.168.30.100Ping 192.168.30.100: 32 data bytes, Press Ctrl_C to break From 192.168.30.100: bytes=32 seq=1 ttl=126 time=109 ms From 192.168.30.100: bytes=32 seq=2 ttl=126 time=94 ms From 192.168.30.100: bytes=32 seq=3 ttl=126 time=94 ms From 192.168.30.100: bytes=32 seq=4 ttl=126 time=78 ms From 192.168.30.100: bytes=32 seq=5 ttl=126 time=125 ms--- 192.168.30.100 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 78/100/125 ms

PC5

PC>ping 192.168.10.100Ping 192.168.10.100: 32 data bytes, Press Ctrl_C to break From 192.168.10.100: bytes=32 seq=1 ttl=126 time=125 ms From 192.168.10.100: bytes=32 seq=2 ttl=126 time=109 ms From 192.168.10.100: bytes=32 seq=3 ttl=126 time=109 ms From 192.168.10.100: bytes=32 seq=4 ttl=126 time=94 ms From 192.168.10.100: bytes=32 seq=5 ttl=126 time=94 ms--- 192.168.10.100 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 94/106/125 ms

總結

哎，就感覺是自己給自己挖了個坑，而且還跳進去了，差點出不來，本來想著多套幾個進去，讓自己能把網絡的簡單知識靈活運用，能串聯起來的，沒想到是給自己挖坑了。。。

總結

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