From 5cb01a8016d09454d9d0ef06aa38b7f90a9e9d6b Mon Sep 17 00:00:00 2001
From: Peng Hailin <unisko@gmail.com>
Date: Wed, 31 Aug 2016 08:57:30 +0800
Subject: [PATCH] update

---
 SUMMARY.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/SUMMARY.md b/SUMMARY.md
index 9976663..e56402f 100644
--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -3,4 +3,5 @@
 * [简介](README.md)
 * [第一章, 网络、线缆、OSI及TCP模型](d01-Networks-Cables-OSI-and-TCP-Models.md)
 * [第二章, CSMA/CD, 交换和虚拟局域网](d02-CSMA-CD-Switching-and-VLANs.md)
+* [中继、DTP 及 VLAN 间路由](d03-Trunking-DTP-and-Inter-VLAN-Routing.md)