diff --git a/patches/systemvm/debian/config/root/redundant_router/disable_pubip.sh b/patches/systemvm/debian/config/root/redundant_router/disable_pubip.sh
index 9a9a2c6f72f..f59eea9ef23 100644
--- a/patches/systemvm/debian/config/root/redundant_router/disable_pubip.sh
+++ b/patches/systemvm/debian/config/root/redundant_router/disable_pubip.sh
@@ -1,4 +1,4 @@
 #!/bin/bash
 
-ifconfig eth2 down
+ifdown eth2
 service dnsmasq stop
diff --git a/patches/systemvm/debian/config/root/redundant_router/enable_pubip.sh.templ b/patches/systemvm/debian/config/root/redundant_router/enable_pubip.sh.templ
index 93539422753..5d96b018327 100644
--- a/patches/systemvm/debian/config/root/redundant_router/enable_pubip.sh.templ
+++ b/patches/systemvm/debian/config/root/redundant_router/enable_pubip.sh.templ
@@ -1,7 +1,7 @@
 #!/bin/bash
 
-ifconfig eth2 down && \
+ifdown eth2 && \
 ifconfig eth2 hw ether [ETH2MAC] && \
-ifconfig eth2 up && \
-ip route add 0/0 via [GATEWAY] && \
+ifup eth2 && \
+ip route add default via [GATEWAY] dev eth2 && \
 service dnsmasq restart