diff --git a/meta-sysmocom-bsp/recipes-bsp/init-ifupdown/init-ifupdown/sysmocom-idu/interfaces b/meta-sysmocom-bsp/recipes-bsp/init-ifupdown/init-ifupdown/sysmocom-idu/interfaces
index 81d41326b4..8dc4b0ffaa 100644
--- a/meta-sysmocom-bsp/recipes-bsp/init-ifupdown/init-ifupdown/sysmocom-idu/interfaces
+++ b/meta-sysmocom-bsp/recipes-bsp/init-ifupdown/init-ifupdown/sysmocom-idu/interfaces
@@ -6,9 +6,13 @@ iface lo inet loopback
 
 # eth0 is attached to the IDU-internal managed switch
 # in the future we will use VLANs to use individual switch ports as
-# break-out interfaces.  For now we simply do DHCP.
-iface eth0 inet dhcp
-	post-up ip r add 10.6.1.0/24 via 192.168.0.1
+# break-out interfaces.  For now we simply do static config for use with
+# the iridium openport satmodem
+iface eth0 inet static
+	address 192.168.0.254
+	netmask 255.255.255.0
+	network 192.168.0.0
+        post-up ip r add 10.6.1.0/24 via 192.168.0.1
 
 #eth1 is our admin interface and will provide dhcp to clients
 auto eth1
@@ -46,3 +50,9 @@ auto br0.6:0
 iface br0.6:0 inet static
 	address 172.16.1.1
 	netmask 255.255.255.255
+
+auto br0.7
+iface br0.7 inet static
+    address 172.16.7.1
+    netmask 255.255.255.0
+    network 172.16.7.0
diff --git a/meta-sysmocom-bsp/recipes-extra/dnsmasq/files/sysmocom-idu/dnsmasq.conf b/meta-sysmocom-bsp/recipes-extra/dnsmasq/files/sysmocom-idu/dnsmasq.conf
index 1d50a91c59..03ded0b097 100755
--- a/meta-sysmocom-bsp/recipes-extra/dnsmasq/files/sysmocom-idu/dnsmasq.conf
+++ b/meta-sysmocom-bsp/recipes-extra/dnsmasq/files/sysmocom-idu/dnsmasq.conf
@@ -132,6 +132,9 @@ dhcp-range=native,172.16.4.10,172.16.4.254,255.255.254.0,168h
 # DHCP range for administrative access via eth1
 dhcp-range=admin,172.16.6.2,172.16.6.255,255.255.255.0,24h
 
+# DHCP range for all BTS
+dhcp-range=gsm,172.16.7.10,172.16.7.255,255.255.255.0,168h
+
 
 # This is an example of a DHCP range with a network-id, so that
 # some DHCP options may be set only for this network.