BGP 实验1

BGP与OSPF路由配置案例

最新推荐文章于 2023-05-09 10:17:03 发布

原创最新推荐文章于 2023-05-09 10:17:03 发布 · 168 阅读

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本文介绍了一个具体的路由配置案例，涉及BGP及OSPF等协议在多个路由器间的配置细节，包括不同区域内的IBGP与EBGP互联、网络可达性设置、以及RIP协议的应用。

在这里插入图片描述

所有路由器都开启BGP协议，R1、R2、R5为IBGP area 100，R3和R2为EBGP，R3属于area200
R1、R2、R3配置ospf协议，属于area 0
R1有两个业务网段：202.0.0.1/24和202.0.1.1/24
R3可以访问R1业务网段
R4和R3配置rip

配置路由器R1

#
 sysname R1
#
interface GigabitEthernet0/0/0
 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
 #
 ipv4-family unicast
  undo synchronization
  peer 1.1.1.1 enable
  peer 2.2.2.2 enable
#
ospf 1 router-id 5.5.5.5 
 area 0.0.0.0 
  network 5.5.5.5 0.0.0.0 
  network 15.0.0.0 0.0.0.255 
  network 202.0.0.1 0.0.0.0 
  network 202.0.1.1 0.0.0.0 
#
user-interface con 0
 authentication-mode password
user-interface vty 0 4
user-interface vty 16 20

配置路由器R2

#
 sysname R2
#
interface GigabitEthernet0/0/0
 ip address 15.0.0.1 255.255.255.252 
#
interface GigabitEthernet0/0/1
 ip address 12.0.0.1 255.255.255.252 
#
interface GigabitEthernet0/0/2
#
interface NULL0
#
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 0.0.0.255 
  network 15.0.0.0 0.0.0.255

配置路由器R3

#
 sysname R3
 #
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 255 
 peer 3.3.3.3 connect-interface LoopBack0
 peer 5.5.5.5 as-number 100 
 peer 5.5.5.5 connect-interface LoopBack0
 #
 ipv4-family unicast
  undo synchronization
  network 3.3.3.3 255.255.255.255 
  import-route ospf 1
  peer 1.1.1.1 enable
  peer 3.3.3.3 enable
  peer 5.5.5.5 enable
#
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 0.0.0.255 
#
rip 1
 version 2
 network 23.0.0.0
 network 2.0.0.0

配置路由器R4

#
 sysname R4
 #
interface GigabitEthernet0/0/0
 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 255 
 peer 2.2.2.2 connect-interface LoopBack0
 #
 ipv4-family unicast
  undo synchronization
  network 3.3.3.3 255.255.255.255 
  peer 2.2.2.2 enable
#
rip 1
 version 2
 network 23.0.0.0
 network 3.0.0.0