From ef2c8920955a05f120d4e431624083101e842a3b Mon Sep 17 00:00:00 2001
From: Peng Hailin <unisko@gmail.com>
Date: Wed, 31 Aug 2016 11:02:31 +0800
Subject: [PATCH] update

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

diff --git a/SUMMARY.md b/SUMMARY.md
index a08484c..a873e89 100644
--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -6,4 +6,5 @@
 * [第三章, 中继、DTP 及 VLAN 间路由](d03-Trunking-DTP-and-Inter-VLAN-Routing.md)
 * [第四章, 路由器和交换机安全](d04-Router-and-Switch-Security.md)
 * [第五章, IP 地址分配](d05-IP-Addressing.md)
+* [第六章, 网络地址转换](d06-NAT.md)