三層交換機與路由器對接上網教程
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交換機作為網關,實現跨網段轉發。同時作為DHCP服務器分配IP。路由器做NAT轉換,使用户可以上外網。下面是小編帶來的配置過程:
1、配置連接用户的接口和對應的VLANIF接口
system-view
[Huawei]vlan batch 2 3
[Huawei]interface g0/0/2
[Huawei-GigabitEthernet0/0/2]portlink-type access
[Huawei-GigabitEthernet0/0/2]portdefault vlan 2
[Huawei-GigabitEthernet0/0/2]quit
[Huawei]int g0/0/3
[Huawei-GigabitEthernet0/0/3]portlink-type access
[Huawei-GigabitEthernet0/0/3]portdefault vlan 3
[Huawei-GigabitEthernet0/0/3]q
[Huawei]int Vlanif 2
[Huawei-Vlanif2]ip 24
[Huawei-Vlanif2]quit
[Huawei]int vlanif 3
[Huawei-Vlanif3]ip 24
[Huawei-Vlanif3]quit
2、配置連接路由器的接口和對應的`VLANIF接口
[Huawei]vlan 100
[Huawei-vlan100]int g0/0/1
[Huawei-GigabitEthernet0/0/1]portlink-type access
[Huawei-port-group-default]portdefault vlan 100
[Huawei-port-group-default]quit
[Huawei]int Vlanif 100
[Huawei-Vlanif100]ip 24
[Huawei-Vlanif100]quit
3、配置缺省路由(下一跳地址為路由器內網口地址)
[Huawei]iproute-static
4、配置DHCP服務
[Huawei]dhcp enable
[Huawei]
[Huawei]int vlanif 2
[Huawei-Vlanif2]dhcp selectinterface
[Huawei-Vlanif2]dhcp serverdns-list
[Huawei-Vlanif2]quit
[Huawei]int vlanif 3
[Huawei-Vlanif3]dhcp selectinterface
[Huawei-Vlanif3]dhcp serverdns-list
[Huawei-Vlanif3]quit
路由器配置(共4步)1、配置連接交換機的接口對應的IP地址
sys
[Huawei]int g0/0/1
[Huawei-GigabitEthernet0/0/1]ipaddress 24
[Huawei-GigabitEthernet0/0/1]quit
2、配置連接公網的接口對應的IP地址
[Huawei]int g0/0/2
[Huawei-GigabitEthernet0/0/2]ipaddress 30
[Huawei-GigabitEthernet0/0/2]q
3、配置缺省路由和回程路由(路由器訪問內網段,接口為連接路由器的VLANIF地址)
[Huawei]ip route-static
[Huawei]ip
4、配置NAT轉換
[Huawei]acl number 2001
[Huawei-acl-basic-2001]rule 5permit source
[Huawei-acl-basic-2001]quit
[Huawei]int g0/0/2
[Huawei-GigabitEthernet0/0/2]natoutbound 2001
[Huawei-GigabitEthernet0/0/2]quit
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