曹世宏的博客:https://blog.csdn.net/qq_38265137/article/category/7126126
life is wonderful的博客:https://blog.csdn.net/erlian1992/article/category/5684137/1?
zqixiao_09的博客(路由部分):https://blog.csdn.net/zqixiao_09/article/category/6167371
zqixiao_09的博客(交换部分):https://blog.csdn.net/zqixiao_09/article/category/6184147
snmplink的博客:https://blog.csdn.net/qingwufeiyang12346/article/category/5625177/2?
vlan基础知识:https://blog.csdn.net/qq_38265137/article/details/80390759
接入层、汇聚层和核心层交换机的特点:https://blog.csdn.net/Linux7985/article/details/78838132
路由器与交换机的工作原理:https://blog.csdn.net/maopig/article/details/6854708
二三层交换机与路由器的基本工作原理和区别:https://blog.csdn.net/maopig/article/details/6854446
OSI七层模型:https://www.cnblogs.com/evablogs/p/6709707.html,https://blog.csdn.net/marui156/article/details/77759418
网络设备解析:中继器、集线器、网桥、交换机、路由器、网关的区别:https://blog.csdn.net/trochiluses/article/details/21070807?locationNum=2
SNMP原理和实战详解:https://blog.csdn.net/bbwangj/article/details/80981098