diff --git a/docs/ngcpcfg.txt b/docs/ngcpcfg.txt
index 32ade6d3..3f55055f 100644
--- a/docs/ngcpcfg.txt
+++ b/docs/ngcpcfg.txt
@@ -58,14 +58,14 @@ $EDITOR, webfrontend,...
 * _/etc/ngcp-config/config.$NGCP_HOSTNAME.yml_: host specific configuration file,
 depending on the ngcp_hostname (:= $NGCP_HOSTNAME) of the system.
 
-* _/etc/ngcp-config/config.$PAIRNAME.yml_: pair specific configuration file,
-depending on the pairname (:= $PAIRNAME) of the system (for example _sp_ on
+* _/etc/ngcp-config/config.$NGCP_PAIRNAME.yml_: pair specific configuration file,
+depending on the pairname (:= $NGCP_PAIRNAME) of the system (for example _sp_ on
 CE/PRO or _web01_ on CARRIER).
 
-* _/etc/ngcp-config/config.$HA_NODE.yml_: HA node specific configuration file,
-depending on the HA node name of the system. $HA_NODE is determined using the
-content of /etc/ngcp_ha_node (usually being _sp1_ for the first node and _sp2_
-for the second node).
+* _/etc/ngcp-config/config.$NGCP_NODENAME.yml_: HA node specific configuration
+file, depending on the HA node name of the system. $NGCP_NODENAME is determined
+using the __ngcp-nodename__ program (being _spce_ for CE systems, and _spN_
+where N is the index of the node in the pair).
 
 * _/etc/ngcp-config/config.local.yml_: local configuration, not being host
 specific.
@@ -94,14 +94,15 @@ Files with suffix '.cfg' inside this directory are sourced after
 [IMPORTANT]
 Configuration file priority: constants.yml takes precedence over
 all files in _/etc/ngcp-config/config.d/_, over config.local.yml,
-over config.$NGCP_HOSTNAME.yml, over config.$PAIRNAME.yml,
-over config.$HA_NODE.yml, over config.yml.
+over config.$NGCP_HOSTNAME.yml, over config.$NGCP_PAIRNAME.yml,
+over config.$NGCP_NODENAME.yml, over config.yml.
 
 High Availability specific configuration files
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-* _/etc/ngcp_ha_node_: defines the node name in High Availability setups, usually
-being _sp1_ for the first node and _sp2_ for the second node.
+* _/etc/ngcp_nodename_: defines the node name in High Availability setups,
+being _spce_ for CE systems, and _spN_ where N is the index of the node in
+the pair.
 
 * _/etc/ngcp-config/systems.cfg_: configuration file that specifies to which
 hosts changes should be pushed to.
@@ -119,25 +120,27 @@ file is usually provided by a Debian package.
 * _/etc/ngcp-config/templates/etc/foobar/baz.tt2.inst-$INSTANCE_NAME_: ngcp_instance specific
 template file. $INSTANCE_NAME in lowercase specified at instances part on network.yml.
 
-* _/etc/ngcp-config/templates/etc/foobar/baz.tt2.$HA_NODE_: node specific
-template file. $HA_NODE is determined using the content of /etc/ngcp_ha_node
-(usually being _sp1_ for the first node and _sp2_ for the second node on the
-Sipwise Next Generation Platform). Whereas _*customtt.tt2_ files are used on all
-nodes in a High Availability setup the _*.tt2.$HA_NODE*_ file is specific for
-the single node only. A common use case is master vs. slave configuration of a
-service. The configuration file is usually provided by a Debian package.
+* _/etc/ngcp-config/templates/etc/foobar/baz.tt2.$NGCP_NODENAME_: node specific
+template file. $NGCP_NODENAME is determined using the __ngcp-nodename__ program
+(being _spce_ for CE systems, and _spN_ where N is the index of the node in the
+pair).
+Whereas _*customtt.tt2_ files are used on all nodes in a High Availability
+setup the, _*.tt2.$NGCP_NODENAME*_ file is specific for the single node only
+of each pair.
+A common use case is master vs. slave configuration of a service.
+The configuration file is usually provided by a Debian package.
 Note: This feature is available in High Availability setups only.
 
-* _/etc/ngcp-config/templates/etc/foobar/baz.tt2.$PAIRNAME_: pair specific
+* _/etc/ngcp-config/templates/etc/foobar/baz.tt2.$NGCP_PAIRNAME_: pair specific
 template file. Given a PRO pair in a CARRIER environment where two nodes are
-named _web01a_ and _web01b_ then $PAIRNAME corresponds to _web01_. This is
+named _web01a_ and _web01b_ then $NGCP_PAIRNAME corresponds to _web01_. This is
 useful if there are multiple pairs available but only a specific pair of them
 should include some specific configuration.
 Note: This feature is available in High Availability setups only.
 
 * _/etc/ngcp-config/templates/etc/foobar/baz.tt2.$NGCP_HOSTNAME_: ngcp_hostname specific
-template file. While $HA_NODE is usually bound to _sp1_ for the first node and
-_sp2_ via /etc/ngcp_ha_node it's possible to use host specific template file by
+template file. While $NGCP_NODENAME is usually bound to _sp1_ for the first node and
+_sp2_ via __ngcp-nodename__, it's possible to use host specific template file by
 referring to its ngcp_hostname ($NGCP_HOSTNAME is determined via ngcp-hostname).
 Note: This feature is available in High Availability setups only.
 
@@ -151,16 +154,17 @@ _/etc/ngcp-config/templates/etc/foobar/baz.tt2.inst-$INSTANCE_NAME_ but it's gua
 that the file won't be part of any Debian package mechanism. $INSTANCE_NAME in
 lowercase specified at instances part on network.yml.
 
-* _/etc/ngcp-config/templates/etc/foobar/baz.customtt.tt2.$HA_NODE_: node
-specific template file. Regarding $HA_NODE the same as for _baz.tt2.$HA_NODE_
+* _/etc/ngcp-config/templates/etc/foobar/baz.customtt.tt2.$NGCP_NODENAME_: node
+specific template file.
+Regarding $NGCP_NODENAME the same as for _baz.tt2.$NGCP_NODE_NAME_
 applies (see the previous bullet), but the configuration file usually isn't
 provided by a Debian package but can be modified independently from any
 Debian package mechanism.
 Note: This feature is available in High Availability setups only.
 
-* _/etc/ngcp-config/templates/etc/foobar/baz.customtt.tt2.$PAIRNAME_:
+* _/etc/ngcp-config/templates/etc/foobar/baz.customtt.tt2.$NGCP_PAIRNAME_:
 configuration file similar to
-_/etc/ngcp-config/templates/etc/foobar/baz.tt2.$PAIRNAME_ but it's guaranteed
+_/etc/ngcp-config/templates/etc/foobar/baz.tt2.$NGCP_PAIRNAME_ but it's guaranteed
 that the file won't be part of any Debian package mechanism.  Note: This feature is
 available in High Availability setups only.
 
@@ -174,13 +178,13 @@ available in High Availability setups only.
 Configuration file precedence (highest to lowest):
 *.customtt.tt2.inst-$INSTANCE_NAME
 *.customtt.tt2.$NGCP_HOSTNAME
-*.customtt.tt2.$PAIRNAME
-*.customtt.tt2.$HA_NODE
+*.customtt.tt2.$NGCP_PAIRNAME
+*.customtt.tt2.$NGCP_NODENAME
 *.customtt.tt2
 *.tt2.inst-$INSTANCE_NAME
 *.tt2.$NGCP_HOSTNAME
-*.tt2.$PAIRNAME
-*.tt2.$HA_NODE
+*.tt2.$NGCP_PAIRNAME
+*.tt2.$NGCP_NODENAME
 *.tt2
 
 Customisation for default template files
@@ -205,8 +209,8 @@ availability of the necessary local changes on every configuration apply.
 The patch to be applied to the corresponding tt2 template file is selected in
 the following order (highest to lowest):
 *.patchtt.tt2.$NGCP_HOSTNAME
-*.patchtt.tt2.$PAIRNAME
-*.patchtt.tt2.$HA_NODE
+*.patchtt.tt2.$NGCP_PAIRNAME
+*.patchtt.tt2.$NGCP_NODENAME
 *.patchtt.tt2
 
 [IMPORTANT]
diff --git a/etc/ngcp-config/ngcpcfg.cfg b/etc/ngcp-config/ngcpcfg.cfg
index c524cc2e..2b89e3b7 100644
--- a/etc/ngcp-config/ngcpcfg.cfg
+++ b/etc/ngcp-config/ngcpcfg.cfg
@@ -10,7 +10,9 @@
 NGCPCTL_BASE='/etc'
 NGCPCTL_MAIN="${NGCPCTL_BASE}/ngcp-config"
 NGCPCTL_CONFIG="${NGCPCTL_MAIN}/config.yml"
-HA_CONFIG="${HA_FILE:+${NGCPCTL_MAIN}/config${HA_FILE}.yml}"
+# HA_CONFIG is deprecated, only for backwards compatibility.
+HA_CONFIG="${NODE_FILE:+${NGCPCTL_MAIN}/config${NODE_FILE}.yml}"
+NODE_CONFIG="${NODE_FILE:+${NGCPCTL_MAIN}/config${NODE_FILE}.yml}"
 PAIR_CONFIG="${PAIR_FILE:+${NGCPCTL_MAIN}/config${PAIR_FILE}.yml}"
 HOST_CONFIG="${NGCPCTL_MAIN}/config.$(ngcp-hostname).yml"
 LOCAL_CONFIG="${NGCPCTL_MAIN}/config.local.yml"
diff --git a/functions/main b/functions/main
index ba2b65df..781785e5 100644
--- a/functions/main
+++ b/functions/main
@@ -20,15 +20,10 @@ fi
 if [ -r "${FUNCTIONS}"/ha_features ] ; then
   # shellcheck disable=SC1090,SC1091
   . "${FUNCTIONS}"/ha_features
-  # Set ${HA_FILE}, used by ngcpcfg.cfg, tt2-process and encrypt.
-  set_ha_file
-fi
 
-if [ -r "${FUNCTIONS}"/carrier_features ] ; then
-  # shellcheck disable=SC1090,SC1091
-  . "${FUNCTIONS}"/carrier_features
-  # Set ${HOST_FILE} + ${PAIR_FILE}, used by ngcpcfg.cfg and tt2-process.
-  set_host_and_pair_files
+  # Set HOST_FILE, NODE_FILE and PAIR_FILE variables, used by ngcpcfg.cfg,
+  # tt2-process and encrypt.
+  set_ha_vars
 fi
 ## }}}
 
@@ -155,7 +150,7 @@ chown_configs() {
     return
   fi
 
-  for f in ${NGCPCTL_CONFIG:-} ${HA_CONFIG:-} ${PAIR_CONFIG:-} ${HOST_CONFIG:-} ${LOCAL_CONFIG:-} "${EXTRA_CONFIG_FILES[@]}" ; do
+  for f in ${NGCPCTL_CONFIG:-} ${NODE_CONFIG:-} ${PAIR_CONFIG:-} ${HOST_CONFIG:-} ${LOCAL_CONFIG:-} "${EXTRA_CONFIG_FILES[@]}" ; do
     if [ ! -f "${f}" ]; then
       continue
     fi
diff --git a/helper/tt2-process b/helper/tt2-process
index 40e2a7aa..b4c140da 100755
--- a/helper/tt2-process
+++ b/helper/tt2-process
@@ -255,7 +255,7 @@ sub generate_iofiles {
     if (length $ENV{INSTANCE_NAME}) {
         push @tt2_hosts, ".inst-".lc $ENV{INSTANCE_NAME};
     }
-    foreach my $name (qw(HOST_FILE PAIR_FILE HA_FILE)) {
+    foreach my $name (qw(HOST_FILE PAIR_FILE NODE_FILE)) {
         push @tt2_hosts, $ENV{$name} if defined $ENV{$name};
     }
     @tt2_hosts = uniq(@tt2_hosts);
diff --git a/scripts/build b/scripts/build
index 17529660..898702d4 100755
--- a/scripts/build
+++ b/scripts/build
@@ -43,7 +43,7 @@ if [ -n "${NGCP_JOBS:-}" ] ; then
   ARGS+=("--jobs=${NGCP_JOBS}")
 fi
 
-for f in ${NGCPCTL_CONFIG:-} ${HA_CONFIG:-} ${PAIR_CONFIG:-} ${HOST_CONFIG:-} ${LOCAL_CONFIG:-} ${NETWORK_CONFIG:-} "${EXTRA_CONFIG_FILES[@]}" ${CONSTANTS_CONFIG:-} ; do
+for f in ${NGCPCTL_CONFIG:-} ${NODE_CONFIG:-} ${PAIR_CONFIG:-} ${HOST_CONFIG:-} ${LOCAL_CONFIG:-} ${NETWORK_CONFIG:-} "${EXTRA_CONFIG_FILES[@]}" ${CONSTANTS_CONFIG:-} ; do
   if [ -r "$f" ] ; then
     ARGS+=("-c" "$f")
   fi
@@ -127,7 +127,7 @@ else
   done
 
   declare -a configs
-  for config in "${HA_CONFIG}" "${PAIR_CONFIG}"; do
+  for config in "${NODE_CONFIG}" "${PAIR_CONFIG}"; do
     if [ -n "${config}" ]; then
       configs+=("-e" "$(basename "${config}")")
     fi
diff --git a/scripts/cat b/scripts/cat
index d3927539..669c3b5e 100755
--- a/scripts/cat
+++ b/scripts/cat
@@ -66,7 +66,7 @@ done
 declare -a configs_try
 if "${config_types[config]}"; then
   configs_try+=("${NGCPCTL_CONFIG}")
-  configs_try+=("${HA_CONFIG}")
+  configs_try+=("${NODE_CONFIG}")
   configs_try+=("${PAIR_CONFIG}")
   configs_try+=("${HOST_CONFIG}")
   configs_try+=("${LOCAL_CONFIG}")
diff --git a/scripts/check b/scripts/check
index d45dba2e..226151ac 100755
--- a/scripts/check
+++ b/scripts/check
@@ -236,7 +236,7 @@ check_shared_storage() {
 }
 
 if [ "$*" = "" ] ; then
-  config_files="${NGCPCTL_CONFIG:-} ${HA_CONFIG:-} ${PAIR_CONFIG:-} ${HOST_CONFIG:-} ${LOCAL_CONFIG:-} ${NETWORK_CONFIG:-} ${EXTRA_CONFIG_FILES[*]} ${CONSTANTS_CONFIG:-}"
+  config_files="${NGCPCTL_CONFIG:-} ${NODE_CONFIG:-} ${PAIR_CONFIG:-} ${HOST_CONFIG:-} ${LOCAL_CONFIG:-} ${NETWORK_CONFIG:-} ${EXTRA_CONFIG_FILES[*]} ${CONSTANTS_CONFIG:-}"
 else
   config_files="$*"
 fi
diff --git a/scripts/edit b/scripts/edit
index 597aeab1..c396639c 100755
--- a/scripts/edit
+++ b/scripts/edit
@@ -55,7 +55,7 @@ else
   # and process the main YML configs first: config.yml network.yml constants.yml
   # NOTE: the file are loaded/merged into ngcpcfg in different order!
   declare -a CONFIGS
-  for f in ${NGCPCTL_CONFIG:?} ${NETWORK_CONFIG:?} ${CONSTANTS_CONFIG:?} ${HA_CONFIG:-} ${PAIR_CONFIG:-} ${HOST_CONFIG:-} ${LOCAL_CONFIG:-} "${EXTRA_CONFIG_FILES[@]}" ; do
+  for f in ${NGCPCTL_CONFIG:?} ${NETWORK_CONFIG:?} ${CONSTANTS_CONFIG:?} ${NODE_CONFIG:-} ${PAIR_CONFIG:-} ${HOST_CONFIG:-} ${LOCAL_CONFIG:-} "${EXTRA_CONFIG_FILES[@]}" ; do
     if [ -r "$f" ] ; then
       CONFIGS+=("${f}")
     fi
diff --git a/scripts/encrypt b/scripts/encrypt
index 920030a8..1edd145f 100755
--- a/scripts/encrypt
+++ b/scripts/encrypt
@@ -20,7 +20,7 @@ fi
 get_config_file_list() {
   for dir in ${CONFIG_POOL} ; do
     # shellcheck disable=SC2044
-    for file in $(find "${TEMPLATE_POOL_BASE}/${dir}" -name \*.tt2 -o -name \*.tt2"${HA_FILE:-}") ; do
+    for file in $(find "${TEMPLATE_POOL_BASE}/${dir}" -name \*.tt2 -o -name \*.tt2"${NODE_FILE:-}") ; do
       x=${file##"${NGCPCTL_MAIN}"/templates/} # drop leading /etc/ngcp-config
       y=${x%%.tt2}                            # drop trailing suffix '.tt2'
       y=${y%%.tt2.sp1}                        # drop trailing suffix '.tt2.sp1'
diff --git a/scripts/get b/scripts/get
index d4b6c7c5..b60f677f 100755
--- a/scripts/get
+++ b/scripts/get
@@ -46,7 +46,7 @@ fi
 
 # Get the list of configs in proper order to load.
 declare -a ARGS
-for f in ${NGCPCTL_CONFIG:-} ${HA_CONFIG:-} ${PAIR_CONFIG:-} ${HOST_CONFIG:-} ${LOCAL_CONFIG:-} ${NETWORK_CONFIG:-} "${EXTRA_CONFIG_FILES[@]}" ${CONSTANTS_CONFIG:-} ; do
+for f in ${NGCPCTL_CONFIG:-} ${NODE_CONFIG:-} ${PAIR_CONFIG:-} ${HOST_CONFIG:-} ${LOCAL_CONFIG:-} ${NETWORK_CONFIG:-} "${EXTRA_CONFIG_FILES[@]}" ${CONSTANTS_CONFIG:-} ; do
   if [ -r "$f" ] ; then
     ARGS+=("-c" "${f}")
   fi
diff --git a/scripts/patch b/scripts/patch
index e0dab3e5..712385d7 100755
--- a/scripts/patch
+++ b/scripts/patch
@@ -48,8 +48,8 @@ patch_search() {
   if [ -n "${PAIR_FILE:-}" ]; then
     hosts+=("${PAIR_FILE}")
   fi
-  if [ -n "${HA_FILE:-}" ]; then
-    hosts+=("${HA_FILE}")
+  if [ -n "${NODE_FILE:-}" ]; then
+    hosts+=("${NODE_FILE}")
   fi
   for val in "${hosts[@]}"; do
     regexp="${regexp}|\\${val}"
diff --git a/t/fixtures/ngcpcfg_carrier.cfg b/t/fixtures/ngcpcfg_carrier.cfg
index ab32b7ec..a3cbb304 100644
--- a/t/fixtures/ngcpcfg_carrier.cfg
+++ b/t/fixtures/ngcpcfg_carrier.cfg
@@ -2,7 +2,9 @@
 [ -n "${NGCPCTL_BASE:-}" ] || NGCPCTL_BASE="$(pwd)/"
 [ -n "${NGCPCTL_MAIN:-}" ] || NGCPCTL_MAIN="${NGCPCTL_BASE}/fixtures/repos/"
 [ -n "${NGCPCTL_CONFIG:-}" ] || NGCPCTL_CONFIG="${NGCPCTL_MAIN}/config.yml"
-[ -n "${HA_CONFIG:-}" ] || HA_CONFIG="${NGCPCTL_MAIN}/config.ha.yml"
+# HA_CONFIG is deprecated, only for backwards compatbility.
+[ -n "${HA_CONFIG:-}" ] || HA_CONFIG="${NGCPCTL_MAIN}/config.node.yml"
+[ -n "${NODE_CONFIG:-}" ] || NODE_CONFIG="${NGCPCTL_MAIN}/config.node.yml"
 [ -n "${PAIR_CONFIG:-}" ] || PAIR_CONFIG="${NGCPCTL_MAIN}/config.pair.yml"
 [ -n "${HOST_CONFIG:-}" ] || HOST_CONFIG="${NGCPCTL_MAIN}/config.web01a.yml"
 [ -n "${LOCAL_CONFIG:-}" ] || LOCAL_CONFIG="${NGCPCTL_MAIN}/constants_local_carrier.yml"
diff --git a/t/fixtures/ngcpcfg_carrier_instances.cfg b/t/fixtures/ngcpcfg_carrier_instances.cfg
index 12c9d32a..b09f9249 100644
--- a/t/fixtures/ngcpcfg_carrier_instances.cfg
+++ b/t/fixtures/ngcpcfg_carrier_instances.cfg
@@ -2,7 +2,9 @@
 [ -n "${NGCPCTL_BASE:-}" ] || NGCPCTL_BASE="$(pwd)/"
 [ -n "${NGCPCTL_MAIN:-}" ] || NGCPCTL_MAIN="${NGCPCTL_BASE}/fixtures/repos/"
 [ -n "${NGCPCTL_CONFIG:-}" ] || NGCPCTL_CONFIG="${NGCPCTL_MAIN}/config.yml"
-[ -n "${HA_CONFIG:-}" ] || HA_CONFIG="${NGCPCTL_MAIN}/config.ha.yml"
+# HA_CONFIG is deprecated, only for backwards compatbility.
+[ -n "${HA_CONFIG:-}" ] || HA_CONFIG="${NGCPCTL_MAIN}/config.node.yml"
+[ -n "${NODE_CONFIG:-}" ] || NODE_CONFIG="${NGCPCTL_MAIN}/config.node.yml"
 [ -n "${PAIR_CONFIG:-}" ] || PAIR_CONFIG="${NGCPCTL_MAIN}/config.pair.yml"
 [ -n "${HOST_CONFIG:-}" ] || HOST_CONFIG="${NGCPCTL_MAIN}/config.web01a.yml"
 [ -n "${LOCAL_CONFIG:-}" ] || LOCAL_CONFIG="${NGCPCTL_MAIN}/constants_local_carrier.yml"
diff --git a/t/fixtures/ngcpcfg_network_interfaces.cfg b/t/fixtures/ngcpcfg_network_interfaces.cfg
index 76cda4d6..84ba77e8 100644
--- a/t/fixtures/ngcpcfg_network_interfaces.cfg
+++ b/t/fixtures/ngcpcfg_network_interfaces.cfg
@@ -41,6 +41,8 @@
 [ -n "${NETWORK_CONFIG_GROUP:-}" ]   || NETWORK_CONFIG_GROUP="_ngcp-admin"
 [ -n "${NETWORK_CONFIG_CHMOD:-}" ]   || NETWORK_CONFIG_CHMOD="0660"
 
+# HA_FILE is deprecated, only for backwards compatibility.
 [ -n "${HA_FILE:-}" ] || HA_FILE='.sp1'
+[ -n "${NODE_FILE:-}" ] || NODE_FILE='.sp1'
 
 ## END OF FILE #################################################################
diff --git a/t/fixtures/ngcpcfg_pro.cfg b/t/fixtures/ngcpcfg_pro.cfg
index aca2757f..2c898297 100644
--- a/t/fixtures/ngcpcfg_pro.cfg
+++ b/t/fixtures/ngcpcfg_pro.cfg
@@ -2,7 +2,9 @@
 [ -n "${NGCPCTL_BASE:-}" ] || NGCPCTL_BASE="$(pwd)/"
 [ -n "${NGCPCTL_MAIN:-}" ] || NGCPCTL_MAIN="${NGCPCTL_BASE}/fixtures/repos/"
 [ -n "${NGCPCTL_CONFIG:-}" ] || NGCPCTL_CONFIG="${NGCPCTL_MAIN}/config.yml"
-[ -n "${HA_CONFIG:-}" ] || HA_CONFIG="${NGCPCTL_MAIN}/config.ha.yml"
+# HA_CONFIG is deprecated, only for backwards compatbility.
+[ -n "${HA_CONFIG:-}" ] || HA_CONFIG="${NGCPCTL_MAIN}/config.node.yml"
+[ -n "${NODE_CONFIG:-}" ] || NODE_CONFIG="${NGCPCTL_MAIN}/config.node.yml"
 [ -n "${PAIR_CONFIG:-}" ] || PAIR_CONFIG="${NGCPCTL_MAIN}/config.pair.yml"
 [ -n "${HOST_CONFIG:-}" ] || HOST_CONFIG="${NGCPCTL_MAIN}/config.sp1.yml"
 [ -n "${LOCAL_CONFIG:-}" ] || LOCAL_CONFIG="${NGCPCTL_MAIN}/constants_local_pro.yml"
@@ -43,6 +45,8 @@
 [ -n "${NETWORK_CONFIG_GROUP:-}" ]   || NETWORK_CONFIG_GROUP="_ngcp-admin"
 [ -n "${NETWORK_CONFIG_CHMOD:-}" ]   || NETWORK_CONFIG_CHMOD="0660"
 
+# HA_FILE is deprecated, only for backwards compatibility.
 [ -n "${HA_FILE:-}" ] || HA_FILE='.sp1'
+[ -n "${NODE_FILE:-}" ] || NODE_FILE='.sp1'
 
 ## END OF FILE #################################################################
diff --git a/t/fixtures/ngcpcfg_pro_instances.cfg b/t/fixtures/ngcpcfg_pro_instances.cfg
index 597ca5f5..f51c8f60 100644
--- a/t/fixtures/ngcpcfg_pro_instances.cfg
+++ b/t/fixtures/ngcpcfg_pro_instances.cfg
@@ -2,7 +2,9 @@
 [ -n "${NGCPCTL_BASE:-}" ] || NGCPCTL_BASE="$(pwd)/"
 [ -n "${NGCPCTL_MAIN:-}" ] || NGCPCTL_MAIN="${NGCPCTL_BASE}/fixtures/repos/"
 [ -n "${NGCPCTL_CONFIG:-}" ] || NGCPCTL_CONFIG="${NGCPCTL_MAIN}/config.yml"
-[ -n "${HA_CONFIG:-}" ] || HA_CONFIG="${NGCPCTL_MAIN}/config.ha.yml"
+# HA_CONFIG is deprecated, only for backwards compatbility.
+[ -n "${HA_CONFIG:-}" ] || HA_CONFIG="${NGCPCTL_MAIN}/config.node.yml"
+[ -n "${NODE_CONFIG:-}" ] || NODE_CONFIG="${NGCPCTL_MAIN}/config.node.yml"
 [ -n "${PAIR_CONFIG:-}" ] || PAIR_CONFIG="${NGCPCTL_MAIN}/config.pair.yml"
 [ -n "${HOST_CONFIG:-}" ] || HOST_CONFIG="${NGCPCTL_MAIN}/config.sp1.yml"
 [ -n "${LOCAL_CONFIG:-}" ] || LOCAL_CONFIG="${NGCPCTL_MAIN}/constants_local_pro.yml"
@@ -43,6 +45,8 @@
 [ -n "${NETWORK_CONFIG_GROUP:-}" ]   || NETWORK_CONFIG_GROUP="_ngcp-admin"
 [ -n "${NETWORK_CONFIG_CHMOD:-}" ]   || NETWORK_CONFIG_CHMOD="0660"
 
+# HA_FILE is deprecated, only for backwards compatibility.
 [ -n "${HA_FILE:-}" ] || HA_FILE='.sp1'
+[ -n "${NODE_FILE:-}" ] || NODE_FILE='.sp1'
 
 ## END OF FILE #################################################################
diff --git a/t/fixtures/programs.py b/t/fixtures/programs.py
index 78a7b260..91b041a9 100644
--- a/t/fixtures/programs.py
+++ b/t/fixtures/programs.py
@@ -22,6 +22,7 @@ DEFAULT_CFG = Path("fixtures/ngcpcfg.cfg").resolve()
 CFG_KEYS = [
     "NGCPCTL_CONFIG",
     "HA_CONFIG",
+    "NODE_CONFIG",
     "PAIR_CONFIG",
     "HOST_CONFIG",
     "LOCAL_CONFIG",
diff --git a/t/fixtures/read_cfg.sh b/t/fixtures/read_cfg.sh
index 66be1d82..ba781a32 100755
--- a/t/fixtures/read_cfg.sh
+++ b/t/fixtures/read_cfg.sh
@@ -7,7 +7,9 @@ echo "[ngcpcfg]"
 echo "NGCPCTL_BASE=${NGCPCTL_BASE:-}"
 echo "NGCPCTL_MAIN=${NGCPCTL_MAIN:-}"
 echo "NGCPCTL_CONFIG=${NGCPCTL_CONFIG:-}"
-echo "HA_CONFIG=${HA_CONFIG:-}"
+# HA_CONFIG is deprecated, only for backwards compatibility.
+echo "HA_CONFIG=${NODE_CONFIG:-}"
+echo "NODE_CONFIG=${NODE_CONFIG:-}"
 echo "PAIR_CONFIG=${PAIR_CONFIG:-}"
 echo "HOST_CONFIG=${HOST_CONFIG:-}"
 echo "LOCAL_CONFIG=${LOCAL_CONFIG:-}"
@@ -52,6 +54,8 @@ echo "NETWORK_CONFIG_GROUP=${NETWORK_CONFIG_GROUP:-}"
 echo "NETWORK_CONFIG_CHMOD=${NETWORK_CONFIG_CHMOD:-}"
 
 # fake values from ngcpcfg-ha
+# HA_FILE is deprecated, only for backwards compatibility.
 echo "HA_FILE=${HA_FILE:-}"
+echo "NODE_FILE=${NODE_FILE:-}"
 echo "HOST_FILE=${HOST_FILE:-}"
 echo "PAIR_FILE=${PAIR_FILE:-}"
diff --git a/t/fixtures/repos/config.ha.yml b/t/fixtures/repos/config.node.yml
similarity index 100%
rename from t/fixtures/repos/config.ha.yml
rename to t/fixtures/repos/config.node.yml