要求：

  • 三层交换机配置DHCP服务
  • PC机配置DHCP自动获取IP
  • 配置相应的环回接口
  • 使用ospf动态路由协议，实现全网互通

实验拓扑：

思科单区OSPF的配置_路由与交换

配置清单：

R1

interface Loopback0
ip address 131.108.4.1 255.255.255.128

interface Loopback1
ip address 131.108.4.129 255.255.255.128

interface Loopback2
ip address 131.108.5.1 255.255.255.224

interface FastEthernet0/0
ip address 131.108.1.1 255.255.255.0

interface FastEthernet0/1
ip address 132.108.1.1 255.255.255.0

router ospf 1
 log-adjacency-changes
 network 131.108.4.0 0.0.0.127 area 0
 network 131.108.1.0 0.0.0.255 area 0
 network 131.108.4.128 0.0.0.127 area 0
 network 131.108.5.0 0.0.0.31 area 0
 network 132.108.1.0 0.0.0.255 area 0

R2

interface Loopback0
ip address 131.108.5.33 255.255.255.224

interface Loopback1
ip address 131.108.6.1 255.255.255.255

interface Loopback2
ip address 131.108.6.2 255.255.255.255

interface FastEthernet0/0
ip address 131.108.1.2 255.255.255.0

router ospf 1
log-adjacency-changes
 network 131.108.1.0 0.0.0.255 area 0
 network 131.108.5.32 0.0.0.31 area 0
 network 131.108.6.1 0.0.0.0 area 0
 network 131.108.6.2 0.0.0.0 area 0

三层交换机

ip routing

ip dhcp pool vlan2
 network 172.16.1.0 255.255.255.0
 default-router 172.16.1.254
 dns-server 8.8.8.8
ip dhcp pool vlan3
 network 172.16.2.0 255.255.255.0
 default-router 172.16.2.254
 dns-server 8.8.8.8

interface FastEthernet0/1
no switchport
ip address 132.108.1.2 255.255.255.0

interface FastEthernet0/2
switchport access vlan 2
switchport mode access

interface FastEthernet0/3
switchport access vlan 3
switchport mode access

interface Vlan2
ip address 172.16.1.254 255.255.255.0

interface Vlan3
ip address 172.16.2.254 255.255.255.0

router ospf 1
log-adjacency-changes
network 132.108.1.0 0.0.0.255 area 0
network 172.16.1.0 0.0.0.255 area 0
network 172.16.2.0 0.0.0.255 area 0

验证

PC机动态获取了IP地址

思科单区OSPF的配置_路由与交换_02


可以ping通R2，实现了全网互通

思科单区OSPF的配置_路由与交换_03