diff --git a/d36-EIGRP.md b/d36-EIGRP.md
index 722e593..5df0e52 100644
--- a/d36-EIGRP.md
+++ b/d36-EIGRP.md
@@ -2164,3 +2164,11 @@ D       10.2.2.0 [90/2297856] via 150.1.1.1, 00:00:14, Serial0/0
 D       10.1.1.0 [90/2297856] via 150.1.1.1, 00:00:14, Serial0/0
 D       10.0.0.0 [90/2297856] via 150.1.1.1, 00:00:14, Serial0/0
 ```
+
+为将路由器R1上的这些路由条目进行汇总并通告出一条单一的具体（译者注，这里可能是“汇总”，而不是具体(specific)）路由，就要在R1的`Serial0/0`接口是上应用如下配置：
+
+```
+R1(config)#interface Serial0/0
+R1(config-if)#ip summary-address eigrp 150 10.0.0.0 255.252.0.0
+R1(config-if)#exit
+```