vm-common.sh: enable ip forwarding just in case

Signed-off-by: Colin McCabe <cmccabe@alumni.cmu.edu>

diff --git a/vm-common.sh b/vm-common.sh
index d702b80..2c57b05 100644 (file)
--- a/vm-common.sh
+++ b/vm-common.sh
@@ -4,6 +4,7 @@ die() {
 }
 
 run_vm() {
+    sysctl -w net.ipv4.ip_forward=1 || die "failed to enable ip_forward"
     ID=$1
     shift
     NARGS=$@