DHCP中继+静态路由（eNSP）
实验目的：
终端PC得到DHCP中继的自动分配地址，配置静态路由实现终端全网互通。
拓扑：
AR2 DHCP服务配置请看：
DHCP服务实验及其安全风险应对（eNSP）
https://blog.csdn.net/qq_44846097/article/details/153659367?spm=1001.2014.3001.5501
DHCP中继：
AR1端接口默认路由中继配置：
[Huawei]ip route-static 0.0.0.0 0.0.0.0 10.0.1.2 //配置默认路由[Huawei]int g0/0/0[Huawei-GigabitEthernet0/0/0]ip address 10.0.0.1 24[Huawei-GigabitEthernet0/0/0]int g0/0/1[Huawei-GigabitEthernet0/0/1]ip add 10.0.1.1 24[Huawei-GigabitEthernet0/0/1]dis ip int bri //查询端接口IP配置
*down: administratively down
^down: standby
(l): loopback
(s): spoofing
The number of interface that is UP in Physical is 3
The number of interface that is DOWN in Physical is 1
The number of interface that is UP in Protocol is 3
The number of interface that is DOWN in Protocol is 1Interface IP Address/Mask Physical Protocol
GigabitEthernet0/0/0 10.0.0.1/24 up up
GigabitEthernet0/0/1 10.0.1.1/24 up up
GigabitEthernet0/0/2 unassigned down down
NULL0 unassigned up up(s)
[Huawei-GigabitEthernet0/0/1]q[Huawei]dhcp server group 1001dhcp //dhcp服务分组（非强制分组）[Huawei-dhcp-server-group-1001dhcp]dhcp-server 10.0.1.2 //dhcp服务中心地址[Huawei-dhcp-server-group-1001dhcp]int g0/0/0 //子网网关接口[Huawei-GigabitEthernet0/0/0]dhcp relay server-select 1001dhcp //引用dhcp服务中心分组地址
AR2配置静态路由：
[Huawei]ip route-static 10.0.0.0 24 10.0.1.1[Huawei]ip route-static 10.0.3.0 24 10.0.2.2[Huawei]dis ip routing-table
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: PublicDestinations : 12 Routes : 12Destination/Mask Proto Pre Cost Flags NextHop Interface10.0.0.0/24 Static 60 0 RD 10.0.1.1 GigabitEthernet0/0/010.0.1.0/24 Direct 0 0 D 10.0.1.2 GigabitEthernet0/0/010.0.1.2/32 Direct 0 0 D 127.0.0.1 GigabitEthernet0/0/010.0.1.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet0/0/010.0.2.0/24 Direct 0 0 D 10.0.2.1 GigabitEthernet0/0/110.0.2.1/32 Direct 0 0 D 127.0.0.1 GigabitEthernet0/0/110.0.2.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet0/0/110.0.3.0/24 Static 60 0 RD 10.0.2.2 GigabitEthernet0/0/1127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0AR3端接口和中继配置：
[Huawei]ip route-static 0.0.0.0 0.0.0.0 10.0.2.1 //添加默认路由[Huawei]int g0/0/0[Huawei-GigabitEthernet0/0/0]ip add 10.0.2.2 24[Huawei-GigabitEthernet0/0/0]int g0/0/1[Huawei-GigabitEthernet0/0/1]ip add 10.0.3.1 24[Huawei]dis ip int bri //查询端接口网络配置
*down: administratively down
^down: standby
(l): loopback
(s): spoofing
The number of interface that is UP in Physical is 3
The number of interface that is DOWN in Physical is 1
The number of interface that is UP in Protocol is 3
The number of interface that is DOWN in Protocol is 1Interface IP Address/Mask Physical Protocol
GigabitEthernet0/0/0 10.0.2.2/24 up up
GigabitEthernet0/0/1 10.0.3.1/24 up up
GigabitEthernet0/0/2 unassigned down down
NULL0 unassigned up up(s)[Huawei]int g0/0/1[Huawei-GigabitEthernet0/0/1]dhcp select relay[Huawei-GigabitEthernet0/0/1]dhcp relay server-ip 10.0.2.1验证：
终端PC获取分配地址，且同子网和互通，
