diff --git a/meta-google/recipes-google/networking/gbmc-bridge/-bmc-gbmcbr.network.in b/meta-google/recipes-google/networking/gbmc-bridge/-bmc-gbmcbr.network.in
index afea5cc..09ef620 100644
--- a/meta-google/recipes-google/networking/gbmc-bridge/-bmc-gbmcbr.network.in
+++ b/meta-google/recipes-google/networking/gbmc-bridge/-bmc-gbmcbr.network.in
@@ -7,5 +7,8 @@
 LLMNR=true
 MulticastDNS=true
 LinkLocalAddressing=ipv6
+IPv6PrefixDelegation=yes
 [IPv6AcceptRA]
 DHCPv6Client=false
+[IPv6PrefixDelegation]
+RouterLifetimeSec=30
diff --git a/meta-google/recipes-google/networking/gbmc-bridge/gbmc-br-dhcp.sh b/meta-google/recipes-google/networking/gbmc-bridge/gbmc-br-dhcp.sh
index 19fa7b1..9c61036 100644
--- a/meta-google/recipes-google/networking/gbmc-bridge/gbmc-br-dhcp.sh
+++ b/meta-google/recipes-google/networking/gbmc-bridge/gbmc-br-dhcp.sh
@@ -15,27 +15,20 @@
 
 # A list of functions which get executed for each bound DHCP lease.
 # These are configured by the files included below.
+# Shellcheck does not understand how this gets referenced
+# shellcheck disable=SC2034
 GBMC_BR_DHCP_HOOKS=()
 
-# Load configurations from a known location in the filesystem to populate
-# hooks that are executed after each event.
-shopt -s nullglob
-for conf in /usr/share/gbmc-br-dhcp/*.sh; do
-  # SC doesn't like dynamic source loading
-  # shellcheck disable=SC1090
-  source "$conf"
-done
-
-gbmc_br_dhcp_run_hooks() {
-  local hook
-  for hook in "${GBMC_BR_DHCP_HOOKS[@]}"; do
-    "$hook" || return
-  done
-}
-
 # SC can't find this path during repotest
 # shellcheck disable=SC1091
 source /usr/share/network/lib.sh || exit
+# SC can't find this path during repotest
+# shellcheck disable=SC1091
+source /usr/share/gbmc-br-lib.sh || exit
+
+# Load configurations from a known location in the filesystem to populate
+# hooks that are executed after each event.
+gbmc_br_source_dir /usr/share/gbmc-br-dhcp || exit
 
 # Write out the current PID and cleanup when complete
 trap 'rm -f /run/gbmc-br-dhcp.pid' EXIT
@@ -51,57 +44,25 @@
   # Ensure we are a BMC and have a suffix nibble, the 0th index is reserved
   if (( pfx_bytes[8] != 0xfd || pfx_bytes[9] & 0xf == 0 )); then
     echo "Invalid address" >&2
-    exit
+    exit 1
   fi
   # Ensure we don't have more than a /80 address
   for (( i = 10; i < 16; ++i )); do
     if (( pfx_bytes[i] != 0 )); then
       echo "Invalid address" >&2
-      exit
+      exit 1
     fi
   done
 
   pfx="$(ip_bytes_to_str pfx_bytes)"
-  (( pfx_bytes[9] &= 0xf0 ))
-  stateless_pfx="$(ip_bytes_to_str pfx_bytes)"
-  read -r -d '' contents <<EOF
-[Network]
-Address=$pfx/128
-IPv6PrefixDelegation=yes
-[IPv6PrefixDelegation]
-RouterLifetimeSec=60
-[IPv6Prefix]
-Prefix=$stateless_pfx/80
-PreferredLifetimeSec=60
-ValidLifetimeSec=60
-[IPv6RoutePrefix]
-Route=$pfx/80
-LifetimeSec=60
-[Route]
-Destination=$stateless_pfx/76
-Type=unreachable
-Metric=1024
-EOF
-
-  for file in /etc/systemd/network/{00,}-bmc-gbmcbr.network.d/50-public.conf; do
-    mkdir -p "$(dirname "$file")"
-    printf '%s' "$contents" >"$file"
-  done
-
-  # Ensure that systemd-networkd performs a reconfiguration as it doesn't
-  # currently check the mtime of drop-in files.
-  touch -c /lib/systemd/network/*-bmc-gbmcbr.network
-
-  if [ "$(systemctl is-active systemd-networkd)" != 'inactive' ]; then
-    networkctl reload && networkctl reconfigure gbmcbr
-  fi
+  gbmc_br_set_ip "$pfx" || exit
 
   if [ -n "${fqdn-}" ]; then
     echo "Using hostname $fqdn" >&2
     hostnamectl set-hostname "$fqdn" || true
   fi
 
-  gbmc_br_dhcp_run_hooks || exit
+  gbmc_br_run_hooks GBMC_BR_DHCP_HOOKS || exit
 
   # Ensure that the installer knows we have completed processing DHCP by
   # running a service that reports completion
diff --git a/meta-google/recipes-google/networking/gbmc-bridge/gbmc-br-lib.sh b/meta-google/recipes-google/networking/gbmc-bridge/gbmc-br-lib.sh
new file mode 100644
index 0000000..7ccee8e
--- /dev/null
+++ b/meta-google/recipes-google/networking/gbmc-bridge/gbmc-br-lib.sh
@@ -0,0 +1,133 @@
+#!/bin/bash
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+[ -n "${gbmc_br_lib_init-}" ] && return
+
+# SC can't find this path during repotest
+# shellcheck disable=SC1091
+source /usr/share/network/lib.sh || exit
+
+# A list of functions which get executed for each configured IP.
+# These are configured by the files included below.
+# Shellcheck does not understand how this gets referenced
+# shellcheck disable=SC2034
+GBMC_BR_LIB_SET_IP_HOOKS=()
+
+gbmc_br_source_dir() {
+  local dir="$1"
+
+  local file
+  while read -r -d $'\0' file; do
+    # SC doesn't like dynamic source loading
+    # shellcheck disable=SC1090
+    source "$file" || return
+  done < <(shopt -s nullglob; for f in "$dir"/*.sh; do printf '%s\0' "$f"; done)
+}
+
+# Load configurations from a known location in the filesystem to populate
+# hooks that are executed after each event.
+gbmc_br_source_dir /usr/share/gbmc-br-lib || exit
+
+gbmc_br_run_hooks() {
+  local -n hookvar="$1"
+  shift
+  local hook
+  for hook in "${hookvar[@]}"; do
+    "$hook" "$@" || return
+  done
+}
+
+gbmc_br_reload() {
+  if [ "$(systemctl is-active systemd-networkd)" != 'inactive' ]; then
+    networkctl reload && networkctl reconfigure gbmcbr
+  fi
+}
+
+gbmc_br_no_ip() {
+  echo "Runtime removing gbmcbr IP" >&2
+  rm -f /run/systemd/network/{00,}-bmc-gbmcbr.network.d/50-public.conf
+  gbmc_br_reload
+}
+
+gbmc_br_reload_ip() {
+  local ip="${1-}"
+
+  if [ -z "$ip" ] && ! ip="$(cat /var/google/gbmc-br-ip 2>/dev/null)"; then
+    echo "Ignoring unconfigured IP" >&2
+    gbmc_br_no_ip
+    return 0
+  fi
+
+  local pfx_bytes=()
+  if ! ip_to_bytes pfx_bytes "$ip"; then
+    echo "Ignoring Invalid IPv6: $ip" >&2
+    gbmc_br_no_ip
+    return 0
+  fi
+
+  local pfx
+  pfx="$(ip_bytes_to_str pfx_bytes)"
+  (( pfx_bytes[9] &= 0xf0 ))
+  local stateless_pfx
+  stateless_pfx="$(ip_bytes_to_str pfx_bytes)"
+  local contents
+  read -r -d '' contents <<EOF
+[Network]
+Address=$pfx/128
+[IPv6Prefix]
+Prefix=$stateless_pfx/80
+PreferredLifetimeSec=60
+ValidLifetimeSec=60
+[IPv6RoutePrefix]
+Route=$pfx/80
+LifetimeSec=60
+[Route]
+Destination=$stateless_pfx/76
+Type=unreachable
+Metric=1024
+EOF
+  echo "Runtime setting gbmcbr IP: $pfx" >&2
+
+  local file
+  for file in /run/systemd/network/{00,}-bmc-gbmcbr.network.d/50-public.conf; do
+    mkdir -p "$(dirname "$file")"
+    printf '%s' "$contents" >"$file"
+  done
+
+  gbmc_br_reload
+}
+
+gbmc_br_set_ip() {
+  local ip="${1-}"
+
+  if [ -n "$ip" ]; then
+    mkdir -p /var/google || return
+    echo "$ip" >/var/google/gbmc-br-ip || return
+  else
+    rm -rf /var/google/gbmc-br-ip
+  fi
+
+  # Remove legacy network configuration
+  rm -rf /etc/systemd/network/{00,}-bmc-gbmcbr.network.d
+
+  gbmc_br_run_hooks GBMC_BR_LIB_SET_IP_HOOKS "$ip" || return
+
+  gbmc_br_reload_ip "$ip"
+}
+
+gbmc_br_lib_init=1
+return 0 2>/dev/null
+echo "gbmc-br-lib is a library, not executed directly" >&2
+exit 1
diff --git a/meta-google/recipes-google/networking/gbmc-bridge/gbmc-br-load-ip.service b/meta-google/recipes-google/networking/gbmc-bridge/gbmc-br-load-ip.service
new file mode 100644
index 0000000..51c68eb
--- /dev/null
+++ b/meta-google/recipes-google/networking/gbmc-bridge/gbmc-br-load-ip.service
@@ -0,0 +1,9 @@
+[Unit]
+Before=gbmc-ip-monitor.service
+Before=systemd-networkd.service
+
+[Service]
+ExecStart=/bin/bash -c 'source /usr/share/gbmc-br-lib.sh && gbmc_br_reload_ip'
+
+[Install]
+WantedBy=multi-user.target