From 9418998c31a8b13717ca226690e0ac96685887ee Mon Sep 17 00:00:00 2001
From: Michael Marsh <mmarsh@cs.umd.edu>
Date: Mon, 19 Feb 2018 08:51:50 -0500
Subject: [PATCH] configure links with network emulation
---
start_testbed.py | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/start_testbed.py b/start_testbed.py
index 1381b99..52eec78 100755
--- a/start_testbed.py
+++ b/start_testbed.py
@@ -54,6 +54,13 @@ def connect_nodes(node1, node2):
'ip', 'link', 'add', dev_1, 'type', 'veth',
'peer', 'name', dev_2
])
+
+ # Configure the link for network emulation.
+ subprocess.call([
+ 'sudo',
+ 'tc', 'qdisc', 'add', 'dev', dev_1, 'root', 'handle', '1:0', 'netem'
+ ])
+
# Add the link endpoints to the container namespaces.
def add_to_ns(dev,ns):
subprocess.call([
--
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