1. Subnetting
192.168.1.0/24
192.168.1.16/28
192.168.1.32/28
192.168.1.48/28
192.168.1.64/28
192.168.1.80/28
192.168.1.96/28
192.168.1.112/28
192.168.1.128/28
192.168.1.144/28
192.168.1.160/28
192.168.1.176/28
. . . .
2. Configure the IP address
r1: 
static routing:
r2: 
static routing: 
r3: 
static routing:
r4: 
static routing :! [insert picture description here](https://img-blog.csdnimg.cn/20210113181709320.png? x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl81MzA2NjIyNw==,size_16,color_70FFFF,t_70FFFF
DHCP: 
r5: 
static route: 
ping:
