vlan | ip段 | 子网掩码 | DNS服务器 | 网关 | 端口 |
---|---|---|---|---|---|
vlan20 | 192.168.2.0 | 255.255.255.0 | 192.168.1.1(路由器上配置了DNS服务器,见上一篇博客) | 192.168.2.1 | gi4-6 |
vlan30 | 192.168.3.0 | 255.255.255.0 | 192.168.1.1 | 192.168.3.1 | gi7-9 |
vlan40 | 192.168.4.0 | 255.255.255.0 | 192.168.1.1 | 192.168.4.1 |
gi10-12 |
vlan database vlan 20 vlan 30 vlan 40 interface vlan20 ip address 192.168.2.1 255.255.255.0 exit interface vlan30 ip address 192.168.3.1 255.255.255.0 exit interface vlan40 ip address 192.168.4.1 255.255.255.0 exit
interface range gi4-6 switchport mode access switchport access vlan 20 exit interface range gi7-9 switchport mode access switchport access vlan 30 exit interface range gi10-12 switchport mode access switchport access vlan 40 exit
gi4-12端口已经分配出去,剩下的端口在交换机上默认归属vlan1,用于连接路由器的端口可从剩下的端口中随便选取一个即可。
interface vlan 1 ip address 192.168.1.2 255.255.255.0 exit
conf t ip route 0.0.0.0 0.0.0.0 192.168.1.1 exit
//取消原来的列表,原来只允许192.168.1.0的网段访问外网,现在需要192.168.2.0,192.168.3.0,192.168.4.0都能访问外网 no access-list 10 permit 192.168.1.0 0.0.0.255 access-list 10 permit 192.168.0.0 0.0.255.255
ip route 192.168.2.0 255.255.255.0 192.168.1.2 ip route 192.168.3.0 255.255.255.0 192.168.1.2 ip route 192.168.4.0 255.255.255.0 192.168.1.2
上述配置完成后,用网线将路由器的192.168.1.1端口与交换机上vlan1中的任意端口连接起来,即可上网。