動態路由BGP

1、實驗目的：
通過實驗瞭解BGP的配置來了解BGP的工作原理和其中數據傳輸的過程。
2、實驗環境：
Rip、ospf、bgp

（1）配置AR1：
    -interface GigabitEthernet0/0/0
       -ip address 12.0.0.1 255.255.255.252
-interface GigabitEthernet0/0/1
       -ip address 15.0.0.1 255.255.255.252 
-interface LoopBack0
       -ip address 1.1.1.1 255.255.255.255
-bgp 100
       -router-id 1.1.1.1
       -peer 2.2.2.2 as-number 100 
       -peer 2.2.2.2 connect-interface LoopBack0
       -peer 5.5.5.5 as-number 100 
       -peer 5.5.5.5 connect-interface LoopBack0
-ospf 1 router-id 1.1.1.1 
       -area 0.0.0.0 
       -network 1.1.1.1 0.0.0.0 
       -network 12.0.0.0 0.0.0.3 
       -network 15.0.0.0 0.0.0.3
（2）配置AR3：
     -interface GigabitEthernet0/0/0
       -ip address 12.0.0.2 255.255.255.252 
-interface GigabitEthernet0/0/1
       -ip address 23.0.0.1 255.255.255.252 
-interface LoopBack0
       -ip address 2.2.2.2 255.255.255.255
-bgp 100
       -router-id 2.2.2.2
       -peer 1.1.1.1 as-number 100 
       -peer 1.1.1.1 connect-interface LoopBack0
       -peer 3.3.3.3 as-number 200 
       -peer 3.3.3.3 ebgp-max-hop 2 
       -peer 3.3.3.3 connect-interface LoopBack0
       -peer 5.5.5.5 as-number 100 
       -peer 5.5.5.5 connect-interface LoopBack0
-ospf 1 router-id 2.2.2.2 
       -area 0.0.0.0 
         -network 2.2.2.2 0.0.0.0 
         -network 12.0.0.0 0.0.0.3 
         -network 23.0.0.0 0.0.0.3
   -import-route bgp 
-rip 1
       -version 2
         -network 23.0.0.0
         -network 2.0.0.0
（4）配置AR2：
-interface GigabitEthernet0/0/1
-ip address 15.0.0.2 255.255.255.252
-interface LoopBack0
-ip address 5.5.5.5 255.255.255.255
-interface LoopBack1
-ip address 202.0.0.1 255.255.255.0
-interface LoopBack2
-ip address 202.0.1.1 255.255.255.0
-bgp 100
-router-id 5.5.5.5
-peer 1.1.1.1 as-number 100 
-peer 1.1.1.1 connect-interface LoopBack0
-peer 2.2.2.2 as-number 100 
-peer 2.2.2.2 connect-interface LoopBack0
-ospf 1 router-id 5.5.5.5 
 -import-route direct       （將業務網段打包宣告出去202）
 -area 0.0.0.0 
  network 5.5.5.5 0.0.0.0 
  network 15.0.0.0 0.0.0.3 
  network 202.0.0.0 0.0.0.255 
  network 202.0.1.0 0.0.0.255


（5）配置AR3：
-interface GigabitEthernet0/0/1
  -ip address 23.0.0.2 255.255.255.252 
-interface LoopBack0
  -ip address 3.3.3.3 255.255.255.255 
-bgp 200
 -router-id 3.3.3.3
 -peer 2.2.2.2 as-number 100 
 -peer 2.2.2.2 ebgp-max-hop 2 
 -peer 2.2.2.2 connect-interface LoopBack0
-ospf 1 router-id 3.3.3.3 
 -area 0.0.0.0 
  -network 3.3.3.3 0.0.0.0 
  -network 12.0.0.0 0.0.0.3 
  -network 23.0.0.0 0.0.0.3 
  -import-route bgp
-rip 1
 -version 2
 -network 3.0.0.0
 -network 23.0.0.0   

5、實驗驗證：