diff --git a/recipes-bsp/init-ifupdown/init-ifupdown-master/sysmocom-idu/interfaces b/recipes-bsp/init-ifupdown/init-ifupdown-master/sysmocom-idu/interfaces
index f3c8d56..89adfc1 100644
--- a/recipes-bsp/init-ifupdown/init-ifupdown-master/sysmocom-idu/interfaces
+++ b/recipes-bsp/init-ifupdown/init-ifupdown-master/sysmocom-idu/interfaces
@@ -37,17 +37,7 @@ iface eth0.2001 inet manual
 # VLAN 2002: Reserved for a future Inmarsat satellite modem
 # attached to port 6 of the IES-3080
 auto eth0.2002
-iface eth0.2002 inet static
-        address 10.156.136.99
-        netmask 255.255.255.224
-        network 10.156.136.96
-        #gateway 10.156.136.97 # no route should be installed, linkmon will do that.
-        # Switch off rp_filter
-        post-up /sbin/sysctl net.ipv4.conf.eth0/2002.rp_filter=2
-        # Set a route with high metric nr so a ping -I on this iface will work:
-        post-up ip r add 5.9.81.48/32 via 10.156.136.97 metric 120
-        # Once sob-idu-linkmon sees pings working, it will install a route
-        # with lower metric.
+iface eth0.2002 inet dhcp
 
 # management VLAN of IES-3080 switch (172.16.2.3)
 auto eth0.6
diff --git a/recipes-bsp/init-ifupdown/init-ifupdown/sysmocom-idu/interfaces b/recipes-bsp/init-ifupdown/init-ifupdown/sysmocom-idu/interfaces
index f3c8d56..89adfc1 100644
--- a/recipes-bsp/init-ifupdown/init-ifupdown/sysmocom-idu/interfaces
+++ b/recipes-bsp/init-ifupdown/init-ifupdown/sysmocom-idu/interfaces
@@ -37,17 +37,7 @@ iface eth0.2001 inet manual
 # VLAN 2002: Reserved for a future Inmarsat satellite modem
 # attached to port 6 of the IES-3080
 auto eth0.2002
-iface eth0.2002 inet static
-        address 10.156.136.99
-        netmask 255.255.255.224
-        network 10.156.136.96
-        #gateway 10.156.136.97 # no route should be installed, linkmon will do that.
-        # Switch off rp_filter
-        post-up /sbin/sysctl net.ipv4.conf.eth0/2002.rp_filter=2
-        # Set a route with high metric nr so a ping -I on this iface will work:
-        post-up ip r add 5.9.81.48/32 via 10.156.136.97 metric 120
-        # Once sob-idu-linkmon sees pings working, it will install a route
-        # with lower metric.
+iface eth0.2002 inet dhcp
 
 # management VLAN of IES-3080 switch (172.16.2.3)
 auto eth0.6