根據圖示拓撲圖,完成圖中給出的條件,完成客戶機獲取IP,且各客戶機可以互通
設置客戶機PC1-5 ip配置爲DHCP
例:PC1
框選圖內全部設備,點擊啓動
理清思路,將該拓撲圖理解成三個部分,方便後期命令的輸入,也便於學習
區域①的命令
首先設置二層交換機SW1
創建vlan10 20,爲vlan10 20劃分端口,1、3口劃分vlan10,2、4口劃分給vlan20
[SW1]int e0/0/1
[SW1-Ethernet0/0/1]p l a
[SW1-Ethernet0/0/1]p d v 10
[SW1-Ethernet0/0/1]int e0/0/3
[SW1-Ethernet0/0/3]p l a
[SW1-Ethernet0/0/3]p d v 10
[SW1-Ethernet0/0/3]int e0/0/2
[SW1-Ethernet0/0/2]p l a
[SW1-Ethernet0/0/2]p d v 20
[SW1-Ethernet0/0/2]int e0/0/4
[SW1-Ethernet0/0/4]p l a
[SW1-Ethernet0/0/4]p d v 20
爲SW1與R1相連的g0/0/1口設置trunk,允許通過全部vlan
[SW1]int g0/0/1
[SW1-GigabitEthernet0/0/1]p l t
[SW1-GigabitEthernet0/0/1]p t a v all
到此,二層交換機SW1的命令結束,區域①結束
開始區域②的部分
設置路由器R3,給端口設置ip,開始DHCP服務,並將DHCP分配工作指向IP地址14.0.0.2
[Huawei]
[Huawei]sys R3
[R3]dhcp enable
[R3]int g0/0/3
[R3-GigabitEthernet0/0/3]ip add 15.0.0.1 24
[R3-GigabitEthernet0/0/3]dhcp select relay
[R3-GigabitEthernet0/0/3]dhcp relay server-ip 14.0.0.2
順手把端口 g0/0/2的ip分配一下
[R3-GigabitEthernet0/0/2]ip add 12.0.0.2 24
區域②的步驟完成,接下來做區域③,區域③的命令較爲繁瑣,要細心的做
路由器R1的命令,第一步分配端口的ip
sys
Enter system view, return user view with Ctrl+Z.
[Huawei]sys R1
[R1]int g0/0/0
[R1-GigabitEthernet0/0/0]ip add 14.0.0.1 24
[R1-GigabitEthernet0/0/0]int g0/0/2
[R1-GigabitEthernet0/0/2]ip add 12.0.0.1 24
接下來開啓DHCP服務
[R1]dhcp enable
給g0/0/1端口做單臂路由.10 .20
[R1]int g0/0/1.10
[R1-GigabitEthernet0/0/1.10]d t v 10
[R1-GigabitEthernet0/0/1.10]ip add 192.168.10.1
[R1-GigabitEthernet0/0/1.10]a b e
[R1-GigabitEthernet0/0/1.10]dhcp select relay
[R1-GigabitEthernet0/0/1.10]dhcp relay server-ip 14.0.0.2
[R1]int g0/0/1.20
[R1-GigabitEthernet0/0/1.20]d t v 20
[R1-GigabitEthernet0/0/1.20]ip add 192.168.20.1 24
[R1-GigabitEthernet0/0/1.20]a b e
[R1-GigabitEthernet0/0/1.20]dhcp select relay
[R1-GigabitEthernet0/0/1.20]dhcp relay server-ip 14.0.0.2
設置默認路由,嚇一跳端口是R3的g0/0/2
[R1]ip route-static 0.0.0.0 0.0.0.0 12.0.0.2
設置路由器R2的命令,劃分ip地址池,且允許DHCP服務
sys
Enter system view, return user view with Ctrl+Z.
[Huawei]sys R2
[R2]int g0/0/0
[R2-GigabitEthernet0/0/0]ip add 14.0.0.2 24
劃分地址池 15 網段
[R2]ip pool DHCP15.0.0.0
Info:It’s successful to create an IP address pool.
[R2-ip-pool-DHCP15.0.0.0]network 15.0.0.1 mask 24
[R2-ip-pool-DHCP15.0.0.0]network 15.0.0.1 mask 24
[R2-ip-pool-DHCP15.0.0.0]gateway-list 15.0.0.1
[R2-ip-pool-DHCP15.0.0.0]dns-list 8.8.8.8 2.2.2.2
根據要求,需要移出100-254,給PC5劃分ip爲.88,先查看PC5的mac地址
繼續在路由器R3的地址池DHCP15中輸入命令
移除100-254
[R2-ip-pool-DHCP15.0.0.0]excluded-ip-address 15.0.0.100 15.0.0.254
綁定mac地址
[R2-ip-pool-DHCP15.0.0.0]static-bind ip-address 15.0.0.88 mac-address 5489-98A
9-1BDE
劃分DHCP vlan 10和20的地址池
[R2]ip pool DHCPvlan10
Info:It’s successful to create an IP address pool.
[R2-ip-pool-DHCPvlan10]net
[R2-ip-pool-DHCPvlan10]network 192.168.10.0 mask 24
[R2-ip-pool-DHCPvlan10]gateway-list 192.168.10.1
[R2-ip-pool-DHCPvlan10]dns-list 8.8.8.8 2.2.2.2
[R2]ip pool DHCPvlan20
Info:It’s successful to create an IP address pool.
[R2-ip-pool-DHCPvlan20]net
[R2-ip-pool-DHCPvlan20]network 192.168.20.0 .mask 24
[R2-ip-pool-DHCPvlan20]gateway-list 192.168.20.1
[R2-ip-pool-DHCPvlan20]dns-list 8.8.8.8 2.2.2.2
開啓DHCP服務,再次選擇G0/0/0端口,改成global模式
[R2]dhcp enable
[R2]int g0/0/0
[R2-GigabitEthernet0/0/0]dhcp select global
設置默認路由
[R2]ip route-static 0.0.0.0 0.0.0.0 14.0.0.1
最後回到路由器R2,設置靜態路由
[R3]ip route-static 192.168.10.0 24 12.0.0.1
[R3]ip route-static 192.168.20.0 24 12.0.0.1
[R3]ip route-static 14.0.0.0 24 12.0.0.1
此時PC1到PC5可以使用DHCP獲取IP了,同時全客戶機互通
實驗結束,根據要求完成實驗