R1和R4之间ebgp无法互通，其他都正常

啰嗦的小7

下面是配置

R1
interface GigabitEthernet0/0/0
ip address 13.13.13.1 255.255.255.0
#
interface GigabitEthernet0/0/1
ip address 12.12.12.1 255.255.255.0
#
interface GigabitEthernet0/0/2
#
interface GigabitEthernet0/0/3
#
wlan
#
interface NULL0
#
interface LoopBack0
ip address 1.1.1.1 255.255.255.255
#
interface LoopBack1
ip address 10.1.1.1 255.255.255.255
#
bgp 100
peer 4.4.4.4 as-number 200
peer 4.4.4.4 ebgp-max-hop 255
peer 4.4.4.4 connect-interface LoopBack0
peer 12.12.12.2 as-number 100
peer 13.13.13.3 as-number 100
#
ipv4-family unicast
  undo synchronization
  network 10.1.1.1 255.255.255.255
  peer 4.4.4.4 enable
  peer 12.12.12.2 enable
  peer 12.12.12.2 next-hop-local
  peer 13.13.13.3 enable
  peer 13.13.13.3 next-hop-local
#
ospf 1 router-id 1.1.1.1
area 0.0.0.0
  network 0.0.0.0 255.255.255.255
#
ip route-static 34.34.34.0 255.255.255.0 12.12.12.2
ip route-static 34.34.34.0 255.255.255.0 13.13.13.3
#
user-interface con 0
user-interface vty 0 4
user-interface vty 16 20







R2
interface GigabitEthernet0/0/0
ip address 24.24.24.2 255.255.255.0
#
interface GigabitEthernet0/0/1
ip address 12.12.12.2 255.255.255.0
#
interface GigabitEthernet0/0/2
#
interface GigabitEthernet0/0/3
#
wlan
#
interface NULL0
#
interface LoopBack0
ip address 2.2.2.2 255.255.255.255
#
bgp 100
peer 3.3.3.3 as-number 100
peer 3.3.3.3 connect-interface LoopBack0
peer 12.12.12.1 as-number 100
peer 24.24.24.4 as-number 200
#
ipv4-family unicast
  undo synchronization
  peer 3.3.3.3 enable
  peer 3.3.3.3 next-hop-local
  peer 12.12.12.1 enable
  peer 12.12.12.1 next-hop-local
  peer 24.24.24.4 enable
#
ospf 1 router-id 2.2.2.2
area 0.0.0.0
  network 2.2.2.0 0.0.0.255
  network 12.12.12.2 0.0.0.0
#
user-interface con 0
user-interface vty 0 4
user-interface vty 16 20


R3
interface GigabitEthernet0/0/0
ip address 13.13.13.3 255.255.255.0
#
interface GigabitEthernet0/0/1
ip address 34.34.34.3 255.255.255.0
#
interface GigabitEthernet0/0/2
#
interface GigabitEthernet0/0/3
#
wlan
#
interface NULL0
#
interface LoopBack0
ip address 3.3.3.3 255.255.255.255
#
interface LoopBack1
#
bgp 100
peer 2.2.2.2 as-number 100
peer 2.2.2.2 connect-interface LoopBack0
peer 13.13.13.1 as-number 100
peer 34.34.34.4 as-number 200
#
ipv4-family unicast
  undo synchronization
  peer 2.2.2.2 enable
  peer 2.2.2.2 next-hop-local
  peer 13.13.13.1 enable
  peer 13.13.13.1 next-hop-local
  peer 34.34.34.4 enable
#
ospf 1 router-id 3.3.3.3
area 0.0.0.0
  network 3.3.3.0 0.0.0.255
  network 13.13.13.3 0.0.0.0
#
user-interface con 0
user-interface vty 0 4
user-interface vty 16 20
#


R4
interface GigabitEthernet0/0/0
ip address 24.24.24.4 255.255.255.0
#
interface GigabitEthernet0/0/1
ip address 34.34.34.4 255.255.255.0
#
interface GigabitEthernet0/0/2
#
interface GigabitEthernet0/0/3
#
wlan
#
interface NULL0
#
interface LoopBack0
ip address 4.4.4.4 255.255.255.255
#
interface LoopBack1
ip address 20.1.1.1 255.255.255.255
#
bgp 200
peer 1.1.1.1 as-number 100
peer 1.1.1.1 ebgp-max-hop 255
peer 1.1.1.1 connect-interface LoopBack0
peer 24.24.24.2 as-number 100
peer 34.34.34.3 as-number 100
#
ipv4-family unicast
  undo synchronization
  network 20.1.1.1 255.255.255.255
  peer 1.1.1.1 enable
  peer 24.24.24.2 enable
  peer 34.34.34.3 enable
#
ip route-static 12.12.12.0 255.255.255.0 24.24.24.2
ip route-static 13.13.13.0 255.255.255.0 34.34.34.3
#
user-interface con 0
user-interface vty 0 4
user-interface vty 16 20

啰嗦的小7

只有R1和R4之间不能通  最大跳数和更新源我都写了啊  还有那两条静态 有没有都建立不起来 不知道为什么
求大神告知！！！

zhangjiahong

R4上ospf加上，IGP的路由互通。就可以了。  静态路由可以删除。R1、R4各自都没有学到对方的loopback0地址。

包道洋

你这个是R1和R4的IGP不通。

包道洋

都写成ospf 1 进程就好了