diff --git a/net/frr/Makefile b/net/frr/Makefile
index d07679177d..74fefd6531 100644
--- a/net/frr/Makefile
+++ b/net/frr/Makefile
@@ -1,5 +1,5 @@
 PLUGIN_NAME=		frr
-PLUGIN_VERSION=		1.55
+PLUGIN_VERSION=		1.56
 PLUGIN_COMMENT=		The FRRouting Protocol Suite
 PLUGIN_DEPENDS=		frr10-pythontools
 PLUGIN_MAINTAINER=	ad@opnsense.org
diff --git a/net/frr/pkg-descr b/net/frr/pkg-descr
index ba07fa79bc..62a69f78c3 100644
--- a/net/frr/pkg-descr
+++ b/net/frr/pkg-descr
@@ -11,6 +11,10 @@ switching and routing, Internet access routers, and Internet peering.
 Plugin Changelog
 ================
 
+1.56
+
+* BGP: Add per-neighbor local-as no-prepend/replace-as options (contributed by clarkchentw)
+
 1.55
 
 * BGP: Write neighbor remote-as only when set (contributed by juan-ferrer-toribio)
diff --git a/net/frr/src/opnsense/mvc/app/controllers/OPNsense/Quagga/forms/dialogEditBGPNeighbor.xml b/net/frr/src/opnsense/mvc/app/controllers/OPNsense/Quagga/forms/dialogEditBGPNeighbor.xml
index 245b6505c5..3f51a9c130 100644
--- a/net/frr/src/opnsense/mvc/app/controllers/OPNsense/Quagga/forms/dialogEditBGPNeighbor.xml
+++ b/net/frr/src/opnsense/mvc/app/controllers/OPNsense/Quagga/forms/dialogEditBGPNeighbor.xml
@@ -45,6 +45,16 @@
       <visible>false</visible>
     </grid_view>
   </field>
+  <field>
+    <id>neighbor.localasoptions</id>
+    <label>Local AS Options</label>
+    <type>dropdown</type>
+    <advanced>true</advanced>
+    <help>Optional modifiers for the neighbor local-as command. "No-Prepend" prevents prepending the Local AS to received AS-Paths. "Replace-AS" causes only the Local AS to be prepended to outbound updates.</help>
+    <grid_view>
+      <visible>false</visible>
+    </grid_view>
+  </field>
   <field>
     <id>neighbor.password</id>
     <label>BGP MD5 Password</label>
diff --git a/net/frr/src/opnsense/mvc/app/models/OPNsense/Quagga/BGP.xml b/net/frr/src/opnsense/mvc/app/models/OPNsense/Quagga/BGP.xml
index 74a94a312a..5caa1ca29a 100644
--- a/net/frr/src/opnsense/mvc/app/models/OPNsense/Quagga/BGP.xml
+++ b/net/frr/src/opnsense/mvc/app/models/OPNsense/Quagga/BGP.xml
@@ -82,7 +82,22 @@
                 <localas type="IntegerField">
                     <MinimumValue>1</MinimumValue>
                     <MaximumValue>4294967295</MaximumValue>
+                    <Constraints>
+                        <check001>
+                            <ValidationMessage>A Local AS is required when Local AS Options are set.</ValidationMessage>
+                            <type>DependConstraint</type>
+                            <addFields>
+                                <field1>localasoptions</field1>
+                            </addFields>
+                        </check001>
+                    </Constraints>
                 </localas>
+                <localasoptions type="OptionField">
+                    <OptionValues>
+                        <noprepend value="no-prepend">No-Prepend</noprepend>
+                        <replaceas value="no-prepend replace-as">No-Prepend Replace-AS</replaceas>
+                    </OptionValues>
+                </localasoptions>
                 <password type="TextField"/>
                 <weight type="IntegerField">
                     <MinimumValue>0</MinimumValue>
diff --git a/net/frr/src/opnsense/service/templates/OPNsense/Quagga/Config/bgpd.conf b/net/frr/src/opnsense/service/templates/OPNsense/Quagga/Config/bgpd.conf
index 55e2390373..603944df39 100644
--- a/net/frr/src/opnsense/service/templates/OPNsense/Quagga/Config/bgpd.conf
+++ b/net/frr/src/opnsense/service/templates/OPNsense/Quagga/Config/bgpd.conf
@@ -121,7 +121,7 @@ router bgp {{ OPNsense.quagga.bgp.asnumber }}
  neighbor {{ neighbor.address }} remote-as {{ neighbor.remoteas }}
 {%         endif %}
 {%         if 'localas' in neighbor and neighbor.localas != '' %}
- neighbor {{ neighbor.address }} local-as {{ neighbor.localas }}
+ neighbor {{ neighbor.address }} local-as {{ neighbor.localas }}{% if neighbor.localasoptions|default('') %} {{ neighbor.localasoptions }}{% endif %}
 {%         endif %}
 {%         if 'description' in neighbor and neighbor.description != '' %}
  neighbor {{ neighbor.address }} description {{ neighbor.description }}