1.先配交換機trunk
三層:int f0/0
sw tr enca do
sw mod tr
二層:int f0/0
sw mod tr
2.劃分vlan以及vtp server/client
vlan 劃分:vlan 10
name vlan10
vtp server: vtp mod server
vtp domain +名字
vtp passwod +密碼
vtp client:vtp mod client
vtp domain +名字
vtp passwod +密碼
3.把對應端口加到想要劃分的VLAN中
在sw1上把pc0對應的端口劃分到vlan10,把pc1對應的端口劃分到vlan20
在sw1上把pc2對應的端口劃分到vlan10,把pc3對應的端口劃分到vlan20
在sw3上把服務器對應的端口劃分到vlan30
4.匯聚層
在AC1上分別給vlan10 20 30 40配地址
int vlan10
ip addr 172.16.10.252 255.255.255.0
int vlan20
ip addr 172.16.20.252 255.255.255.0
int vlan30
ip addr 172.16.30.252 255.255.255.0
int vlan40
ip addr 172.16.40.252 255.255.255.0
在AC2
int vlan10
ip addr 172.16.10.254 255.255.255.0
int vlan20
ip addr 172.16.20.254 255.255.255.0
int vlan30
ip addr 172.16.30.254 255.255.255.0
int vlan40
ip addr 172.16.40.254 255.255.255.0
5.在AC1和AC2上構建一個虛擬的ip
AC1:
spanning-tree vlan10,30 primary
spanning-tree vlan20,40 secondary
int vlan10
standby 10 ip 172.16.10.1
standby 10 priority 100 設置優先級
standby preempt 搶佔,線路可以自動切換
int vlan20
standby 10 ip 172.16.20.1
standby 10 priority 80 設置優先級
standby preempt 搶佔,線路可以自動切換
int vlan30
standby 10 ip 172.16.30.1
standby 10 priority 100 設置優先級
standby preempt 搶佔,線路可以自動切換
AC2:
spanning-tree vlan20,40 primary
spanning-tree vlan10,30 secondary
int vlan10
standby 10 ip 172.16.10.1
standby 10 priority 80 設置優先級
standby preempt 搶佔,線路可以自動切換
int vlan20
standby 10 ip 172.16.20.1
standby 10 priority 100 設置優先級
standby preempt 搶佔,線路可以自動切換
int vlan30
standby 10 ip 172.16.30.1
standby 10 priority 80 設置優先級
standby preempt 搶佔,線路可以自動切換
6.給服務器配static地址
並且作爲vlan 10,20的dhcp的服務器
7.在AC1和AC2上配置vlan10,20的dhcp幫助地址
int vlan10/20
ip helper-address 172.16.30.2
8.CE路由器,core1和2 給端口配IP地址
交換機no switchport 升級端口 ,可以配IP
ip routing 讓交換機具有路由的功能
啓用ospf協議
把匯聚層向上連得接口放到area 0
向下連的vlan放到area 1
router ospf 1
router-id 1.1.1.1
network 192.168.1.1 0.0.0.255 area 0
network 192.168.7.2 0.0.0.255 area 1
在CE上配置
int lo100
ip add 100.100.100.100 255.255.255.0
exit
ip route 0.0.0.0 0.0.0.0 100.100.100.1下放缺省路由