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使用ensp搭建OSPF+BGP和静态路由,底层PC使用dhcp,实现PC互通

1.4种方式,实现PC2可以互通底层的所有设备

OSPF:OSPF是一种用于互联网协议网络的链路状态路由协议

BGP:是一种用于互联网上进行路由和可达性信息传递的外部网关协议(EGP)

静态路由: 静态路由是一种路由方式,其中路由信息是手动配置的,而不是通过动态路由协议自动学习和传播的

DHCP: 是一种网络协议,用于自动分配网络配置参数给网络中的设备

2.拓扑图

3.先配置路由器1.1.1.1

#配置IP地址 1.1.1.1 路由器
interface GigabitEthernet0/0/0
ip address 192.168.10.254 255.255.255.0 interface GigabitEthernet0/0/1
ip address 11.1.1.1 255.255.255.0 interface GigabitEthernet0/0/2
ip address 12.1.1.1 255.255.255.0 #配置looback(回环接口)
interface LoopBack0
ip address 1.1.1.1 255.255.255.255 #配置BGProuter-id 1.1.1.1peer 2.2.2.2 as-number 200 peer 2.2.2.2 ebgp-max-hop 2 peer 2.2.2.2 connect-interface LoopBack0peer 3.3.3.3 as-number 200 peer 3.3.3.3 ebgp-max-hop 2 peer 3.3.3.3 connect-interface LoopBack0network 1.1.1.1 255.255.255.255 network 2.2.2.2 255.255.255.255 network 3.3.3.3 255.255.255.255 network 192.168.10.0 #配置静态路由
ip route-static 2.2.2.0 255.255.255.0 11.1.1.2
ip route-static 3.3.3.0 255.255.255.0 12.1.1.2

 4.配置路由器2.2.2.2

#配置IP地址
interface GigabitEthernet0/0/0
ip address 11.1.1.2 255.255.255.0 interface GigabitEthernet0/0/1
ip address 13.1.1.1 255.255.255.0 #配置回环接口
interface LoopBack0
ip address 2.2.2.2 255.255.255.255 #配置BGP
router-id 2.2.2.2peer 1.1.1.1 as-number 1000 peer 1.1.1.1 ebgp-max-hop 2 peer 1.1.1.1 connect-interface LoopBack0peer 3.3.3.3 next-hop-local  peer 3.3.3.3 as-number 200 peer 3.3.3.3 connect-interface LoopBack0peer 4.4.4.4 as-number 200 peer 4.4.4.4 connect-interface LoopBack0peer 4.4.4.4 next-hop-local network 1.1.1.1 255.255.255.255 network 2.2.2.2 255.255.255.255 network 3.3.3.3 255.255.255.255 network 4.4.4.4 255.255.255.255 #配置OSPFospf
area 0network 2.2.2.2 0.0.0.0 network 13.1.1.0 0.0.0.255 #配置路由
ip route-static 1.1.1.1 255.255.255.255 11.1.1.1

 5.配置路由器3.3.3.3

#配置ip地址
interface GigabitEthernet0/0/0
ip address 15.1.1.1 255.255.255.0 interface GigabitEthernet0/0/1
ip address 12.1.1.2 255.255.255.0 interface GigabitEthernet0/0/2
ip address 14.1.1.1 255.255.255.0 #配置回环接口
interface LoopBack0
ip address 3.3.3.3 255.255.255.255 #配置BGProuter-id 3.3.3.3peer 1.1.1.1 as-number 100 peer 1.1.1.1 ebgp-max-hop 2 peer 1.1.1.1 connect-interface LoopBack0peer 2.2.2.2 as-number 200 peer 2.2.2.2 connect-interface LoopBack0peer 4.4.4.4 as-number 200 peer 4.4.4.4 connect-interface LoopBack0peer 6.6.6.6 as-number 300 peer 6.6.6.6 ebgp-max-hop 2 peer 6.6.6.6 connect-interface LoopBack0network 1.1.1.1 255.255.255.255 network 2.2.2.2 255.255.255.255 network 3.3.3.3 255.255.255.255 network 4.4.4.4 255.255.255.255 network 6.6.6.6 255.255.255.255 peer 2.2.2.2 next-hop-local peer 4.4.4.4 next-hop-local #配置OSPF
ospf 1 area 0.0.0.0 network 3.3.3.3 0.0.0.0 network 12.1.1.0 0.0.0.255 network 14.1.1.0 0.0.0.255 network 15.1.1.0 0.0.0.255#配置静态路由
ip route-static 1.1.1.1 255.255.255.255 12.1.1.1
ip route-static 6.6.6.6 255.255.255.255 15.1.1.2

6.配置路由器4.4.4.4

#配置IP地址
interface GigabitEthernet0/0/0
ip address 13.1.1.2 255.255.255.0 interface GigabitEthernet0/0/1
ip address 14.1.1.2 255.255.255.0 interface GigabitEthernet0/0/2
ip address 16.1.1.1 255.255.255.0 #配置环回接口
interface LoopBack0
ip address 4.4.4.4 255.255.255.255#配置BGP
bgp 200router-id 4.4.4.4peer 2.2.2.2 as-number 200 peer 2.2.2.2 connect-interface LoopBack0peer 2.2.2.2 next-hop-local peer 3.3.3.3 as-number 200 peer 3.3.3.3 connect-interface LoopBack0peer 3.3.3.3 next-hop-local peer 5.5.5.5 as-number 300 peer 5.5.5.5 ebgp-max-hop 2 peer 5.5.5.5 connect-interface LoopBack0network 2.2.2.2 255.255.255.255 network 3.3.3.3 255.255.255.255 network 4.4.4.4 255.255.255.255 network 5.5.5.5 255.255.255.255 #配置OSPF
ospf 1 area 0.0.0.0 network 4.4.4.4 0.0.0.0 network 12.1.1.0 0.0.0.255 network 13.1.1.0 0.0.0.255 network 14.1.1.0 0.0.0.255 #配置路由
ip route-static 3.3.3.3 255.255.255.255 14.1.1.1
ip route-static 5.5.5.5 255.255.255.255 16.1.1.2

7.配置路由器5.5.5.5

#配置IP地址
interface GigabitEthernet0/0/0
ip address 16.1.1.2 255.255.255.0 interface GigabitEthernet0/0/1
ip address 17.1.1.254 255.255.255.0#配置环回接口
interface LoopBack0
ip address 5.5.5.5 255.255.255.255 #配置bgp
bgp 300router-id 5.5.5.5peer 4.4.4.4 as-number 200 peer 4.4.4.4 ebgp-max-hop 2 peer 4.4.4.4 connect-interface LoopBack0network 17.1.1.0 255.255.255.0 #配置静态路由
ip route-static 4.4.4.4 255.255.255.255 16.1.1.1
ip route-static 192.168.1.0 255.255.255.0 16.1.1.1

8.配置路由器6.6.6.6

#配置IP地址
interface GigabitEthernet0/0/0
ip address 192.168.254.2 255.255.255.0 interface GigabitEthernet0/0/1
ip address 192.168.255.2 255.255.255.0 interface GigabitEthernet0/0/2
ip address 15.1.1.2 255.255.255.0 #配置环回接口
interface LoopBack0
ip address 6.6.6.6 255.255.255.255 #配置bgp
bgp 300router-id 6.6.6.6peer 3.3.3.3 as-number 200 peer 3.3.3.3 ebgp-max-hop 2 peer 3.3.3.3 connect-interface LoopBack0network 192.168.1.0 network 192.168.2.0 #配置OSPF
ospf 1 import-route bgparea 0.0.0.0 network 15.1.1.0 0.0.0.255 network 192.168.254.0 0.0.0.255 network 192.168.255.0 0.0.0.255#配置静态路由
ip route-static 3.3.3.3 255.255.255.255 15.1.1.1
ip route-static 17.1.1.0 255.255.255.0 15.1.1.1

9.配置三层交换机LSW1

#配置DHCP地址池
dncp enableip pool 10gateway-list 192.168.1.254network 192.168.1.0 mask 255.255.255.0excluded-ip-address 192.168.1.100 192.168.1.253dns-list 8.8.8.8#配置vlan
interface Vlanif10
ip address 192.168.1.254 255.255.255.0
dhcp select globalinterface Vlanif20
ip address 192.168.254.1 255.255.255.0#配置接口
interface GigabitEthernet0/0/1
port link-type access
port default vlan 20interface GigabitEthernet0/0/2
port link-type trunk
port trunk allow-pass vlan 2 to 4094interface GigabitEthernet0/0/3
port link-type trunk
port trunk allow-pass vlan 2 to 4094interface GigabitEthernet0/0/4
port link-type trunk
port trunk allow-pass vlan 2 to 4094#配置OSPF
ospf 1area 0.0.0.0network 192.168.1.0 0.0.0.255network 192.168.254.0 0.0.0.255#创建vlan  
vlan 10 #配置他下面的二层交换机(LSW8)
interface Ethernet0/0/1port link-type trunkport trunk allow-pass vlan 2 to 4094interface Ethernet0/0/2port link-type accessport default vlan 10interface Ethernet0/0/3port link-type accessport default vlan 10其他的都一样,配置PC连接二层的线为access口,设置到三层的为trunk

 10.配置三层交换机LSW2

#配置DHCP地址池
dhcp enable ip pool 40gateway-list 192.168.2.254network 192.168.2.0 mask 255.255.255.0excluded-ip-address 192.168.2.100 192.168.2.253dns-list 8.8.8.8#配置VLAN
interface Vlanif30
ip address 192.168.255.1 255.255.255.0interface Vlanif40
ip address 192.168.2.254 255.255.255.0
dhcp select global#配置接口
interface GigabitEthernet0/0/1
port link-type access
port default vlan 30interface GigabitEthernet0/0/2
port link-type trunk
port trunk allow-pass vlan 2 to 4094interface GigabitEthernet0/0/3
port link-type trunk
port trunk allow-pass vlan 2 to 4094#配置OSPF
ospf 1area 0.0.0.0network 192.168.255.0 0.0.0.255network 192.168.2.0 0.0.0.255#其他的都一样,配置PC连接二层的线为access口,设置到三层的为trunk

11.最下面一排PC全部用DHCP,我用一个做测试,查看ip地址

  12.测试底层PC能不能到PC2

  13.总结,最后成功使用底层的全部PC访问PC2,使用的协议有OSPF+BGP+DHCP+静态路由的结合,如果由以上不懂的地方,请联系小编

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