From 599f45e2b179a3c3ea081fdda78bdfbc5249b693 Mon Sep 17 00:00:00 2001
From: Kelsey Hightower <kelsey.hightower@gmail.com>
Date: Tue, 27 Sep 2016 06:58:21 -0700
Subject: [PATCH] open traffic between same security group

---
 docs/01-infrastructure-aws.md | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/docs/01-infrastructure-aws.md b/docs/01-infrastructure-aws.md
index 0dae73c..c0e50a4 100644
--- a/docs/01-infrastructure-aws.md
+++ b/docs/01-infrastructure-aws.md
@@ -170,6 +170,13 @@ aws ec2 authorize-security-group-ingress \
   --cidr 0.0.0.0/0
 ```
 
+```
+aws ec2 authorize-security-group-ingress \
+  --group-id ${SECURITY_GROUP_ID} \
+  --protocol all \
+  --source-group ${SECURITY_GROUP_ID}
+```
+
 ### Kubernetes Public Address
 
 An ELB will be used to load balance traffic across the Kubernetes control plane.