diff --git a/configs/l2fwd-echo-branch-lv1.click b/configs/l2fwd-echo-branch-lv1.click
index 0700865..7e7d1f6 100644
--- a/configs/l2fwd-echo-branch-lv1.click
+++ b/configs/l2fwd-echo-branch-lv1.click
@@ -1,6 +1,3 @@
-//FromInput -> lv1_head :: RandomWeightedBranch({0}, {1});
-//lv1_head[0] -> L2Forward(method {2}) -> ToOutput();
-//lv1_head[1] -> L2Forward(method {2}) -> ToOutput();
-FromInput -> lv1_head :: RandomWeightedBranch(0.3, 0.7);
-lv1_head[0] -> L2Forward(method echoback) -> ToOutput();
-lv1_head[1] -> L2Forward(method echoback) -> ToOutput();
+FromInput -> lv1_head :: RandomWeightedBranch({0}, {1});
+lv1_head[0] -> L2Forward(method {2}) -> ToOutput();
+lv1_head[1] -> L2Forward(method {2}) -> ToOutput();
diff --git a/scripts/run_all.sh b/scripts/run_all.sh
index 671495b..29edabd 100755
--- a/scripts/run_all.sh
+++ b/scripts/run_all.sh
@@ -1,8 +1,8 @@
 #! /bin/sh
 dropbox.py stop
-./run_branch.py --branch-pred-type off
-./run_branch.py --branch-pred-type always
-./run_branch.py --branch-pred-type on
+./run_branch.py --skip-dropbox --branch-pred-type off
+./run_branch.py --skip-dropbox --branch-pred-type always
+./run_branch.py --skip-dropbox --branch-pred-type on
 ./run_app_perf.py --prefix compbatching -b bin-backup/main --comp-batch-sizes 1,4,8,16,32,64 -p 64,256,1500 default.py ipv4-router.click --combine-cpu-gpu
 ./run_app_perf.py --prefix compbatching -b bin-backup/main --comp-batch-sizes 1,4,8,16,32,64 -p 64,256,1500 default.py ipv6-router.click --combine-cpu-gpu
 ./run_app_perf.py --prefix compbatching -b bin-backup/main --comp-batch-sizes 1,4,8,16,32,64 -p 64,256,1500 default.py ipsec-encryption.click --combine-cpu-gpu
diff --git a/scripts/run_branch.py b/scripts/run_branch.py
index 232e0e7..e145f9d 100755
--- a/scripts/run_branch.py
+++ b/scripts/run_branch.py
@@ -7,13 +7,16 @@
 
     parser = argparse.ArgumentParser()
     parser.add_argument('--branch-pred-type', choices=('on', 'off', 'always'), required=True)
-    args = parser.parse_args()
+    parser.add_argument('--skip-dropbox', action='store_true', default=False)
+    args, extra_args = parser.parse_known_args()
     args.bin = 'bin-backup/main.branchpred.' + args.branch_pred_type
 
     #branch_configs = ["l2fwd-echo-branch-lv1.click"]#, "l2fwd-echo-branch-lv2.click", "l2fwd-echo-branch-lv3.click"]
     branch_config = 'l2fwd-echo-skewed-branch-lv3.click'
+    #branch_config = 'l2fwd-echo-branch-lv1.click'
     #branch_ratios = [50, 40, 30, 20, 10, 5, 1]
-    branch_ratios = [99, 95, 90, 80, 70, 60, 50, 40, 30, 20, 10, 5, 1]
+    #branch_ratios = [99, 95, 90, 80, 70, 60, 50, 40, 30, 20, 10, 5, 1]
+    branch_ratios = [90, 80, 60, 50, 40, 20, 10]
 
     conf_paths = []
     os.chdir('..')
@@ -34,16 +37,20 @@
 
     os.chdir('scripts')
     # Run.
-    subprocess.run(['dropbox.py', 'stop'])
-    subprocess.run([
+    if not args.skip_dropbox: subprocess.run(['dropbox.py', 'stop'])
+    main_args = [
         './run_app_perf.py',
         '--prefix', 'branch-pred.' + args.branch_pred_type,
         '-b', args.bin,
         '-p', '64',
+    ]
+    main_args.extend(extra_args)
+    main_args.extend([
         'default.py',
         ','.join(conf_paths),
     ])
-    subprocess.run(['dropbox.py', 'start'])
+    subprocess.run(main_args)
+    if not args.skip_dropbox: subprocess.run(['dropbox.py', 'start'])
 
     # Delete templated configs.
     os.chdir('..')