https://deepsleep.fun/learn/network-protocols/06-gre/Recent content in GRE — 通用路由封装 on DeepSleep BlogHugozh-CNhttps://deepsleep.fun/learn/network-protocols/06-gre/02-%E5%AE%9E%E6%88%98%E4%B8%8E%E6%8E%92%E9%94%99/Mon, 01 Jan 0001 00:00:00 +0000https://deepsleep.fun/learn/network-protocols/06-gre/02-%E5%AE%9E%E6%88%98%E4%B8%8E%E6%8E%92%E9%94%99/GRE 隧道 Wireshark 抓包过滤、Linux/Cisco 配置命令、MTU 黑洞与递归路由排查、与 IPSec/VXLAN 对比 / 网络层（隧道） / IP 协议号 47 / RFC 2784https://deepsleep.fun/learn/network-protocols/06-gre/01-%E5%8E%9F%E7%90%86%E4%B8%8E%E6%8A%A5%E6%96%87/Mon, 01 Jan 0001 00:00:00 +0000https://deepsleep.fun/learn/network-protocols/06-gre/01-%E5%8E%9F%E7%90%86%E4%B8%8E%E6%8A%A5%E6%96%87/GRE 封装/解封装流程、头部逐比特字段（C/K/S/Recursion/Protocol Type）、建隧交互与时序、MTU 与递归路由机制