DHCP的配置综合实验2

之前配了个在子接口下配ip helper-ad的实验  并通过单臂路由实现通信  现在我们用三层交换机来做个实验 在VLAN下配置ip helper ad

拓扑如下 用到的只是黑色线条的部分

先贴配置

R1#sh run
Building configuration...

Current configuration : 1270 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R1
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
ip cef
!
!
no ip dhcp use vrf connected
ip dhcp excluded-address 192.168.10.1
ip dhcp excluded-address 192.168.20.1
!
ip dhcp pool vlan10
   network 192.168.10.0 255.255.255.0
   default-router 192.168.10.1
!
ip dhcp pool vlan20
   network 192.168.20.0 255.255.255.0
   default-router 192.168.20.1
!
!
no ip domain lookup
!
multilink bundle-name authenticated
!
!
!
!
!
!
!
!
!
!
!
!
!        
!
!
!
!
!
!
!
!
interface FastEthernet0/0
ip address 192.168.12.1 255.255.255.0
duplex half
!
interface Serial1/0
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/1
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/2
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/3
no ip address
shutdown
serial restart-delay 0
!
router rip
version 2
network 192.168.12.0
no auto-summary
!
no ip http server
no ip http secure-server
!
!
!
logging alarm informational
!
!
!        
!
!
control-plane
!
!
!
!
!
!
gatekeeper
shutdown
!
!
line con 0
exec-timeout 0 0
logging synchronous
stopbits 1
line aux 0
stopbits 1
line vty 0 4
!
!
end

 

 

SW1#sh run
Building configuration...

Current configuration : 1488 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname SW1
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
ip cef
!
!
!
!
no ip domain lookup
multilink bundle-name authenticated
!        
!
!
!
!
!
!
!
!
interface FastEthernet0/0
no ip address
shutdown
duplex auto
speed auto
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
interface FastEthernet1/0
!
interface FastEthernet1/1
switchport access vlan 10
!
interface FastEthernet1/2
switchport access vlan 20
!
interface FastEthernet1/3
!
interface FastEthernet1/4
!
interface FastEthernet1/5
!
interface FastEthernet1/6
!
interface FastEthernet1/7
!
interface FastEthernet1/8
!
interface FastEthernet1/9
!
interface FastEthernet1/10
no switchport
ip address 192.168.12.2 255.255.255.0
!        
interface FastEthernet1/11
!
interface FastEthernet1/12
!
interface FastEthernet1/13
!
interface FastEthernet1/14
!
interface FastEthernet1/15
!
interface Vlan1
no ip address
!
interface Vlan10
ip address 192.168.10.1 255.255.255.0
ip helper-address 192.168.12.1
!
interface Vlan20
ip address 192.168.20.1 255.255.255.0
ip helper-address 192.168.12.1
!
router rip
version 2
network 192.168.10.0
network 192.168.12.0
network 192.168.20.0
no auto-summary
!
!
ip http server
no ip http secure-server
!
!
control-plane
!
!
line con 0
exec-timeout 0 0
logging synchronous
line aux 0
line vty 0 4
!
!
end

SW3 SW4当二层交换机用 没做配置  PC1 PC2只用了  no ip routi

大家在做实验的时候可以cle ip dh b *   这样可能会有效果（如果配置正确的话）