diff --git a/systems/lctr-b2xx/lauv-dolphin-2-aux.cfg b/systems/lctr-b2xx/lauv-dolphin-2-aux.cfg
new file mode 100644
index 0000000..d38c906
--- /dev/null
+++ b/systems/lctr-b2xx/lauv-dolphin-2-aux.cfg
@@ -0,0 +1,6 @@
+cfg_hostname='lauv-dolphin-2-aux'
+cfg_storage='data0:ext4:/opt data1:ext4:/opt/lsts/dune/log'
+cfg_eth_ext_ip='10.0.10.143'
+cfg_eth_ext_mk='255.255.0.0'
+cfg_eth_ext_gw='10.0.0.1'
+cfg_ptpd_interface='eth0'
diff --git a/systems/lctr-b2xx/lauv-dolphin-3-aux.cfg b/systems/lctr-b2xx/lauv-dolphin-3-aux.cfg
new file mode 100644
index 0000000..90e56d1
--- /dev/null
+++ b/systems/lctr-b2xx/lauv-dolphin-3-aux.cfg
@@ -0,0 +1,6 @@
+cfg_hostname='lauv-dolphin-3-aux'
+cfg_storage='data0:ext4:/opt data1:ext4:/opt/lsts/dune/log'
+cfg_eth_ext_ip='10.0.10.153'
+cfg_eth_ext_mk='255.255.0.0'
+cfg_eth_ext_gw='10.0.0.1'
+cfg_ptpd_interface='eth0'