配置左边主机ip地址192.168.1.1 掩码255.255.255.0 网关192.168.1.254
再配置路由器
sys
int g0/0
ip add 192.168.1.254 24
dhcp server ip-pool 1
nextwork 192.168.1.0 mask 255.255.255.0
gateway-list 192.168.1.254
quit
int g0/0
dhcp select server
原文:https://www.cnblogs.com/wdn135468/p/11937390.html