diff --git a/api/gobgp.pb.go b/api/gobgp.pb.go
index 8af794f88..a60b72c95 100644
--- a/api/gobgp.pb.go
+++ b/api/gobgp.pb.go
@@ -7551,19 +7551,22 @@ func (x *PeerConf) GetAllowAspathLoopLocal() bool {
 }
 
 type PeerGroupConf struct {
-	state               protoimpl.MessageState `protogen:"open.v1"`
-	AuthPassword        string                 `protobuf:"bytes,1,opt,name=auth_password,json=authPassword,proto3" json:"auth_password,omitempty"`
-	Description         string                 `protobuf:"bytes,2,opt,name=description,proto3" json:"description,omitempty"`
-	LocalAsn            uint32                 `protobuf:"varint,3,opt,name=local_asn,json=localAsn,proto3" json:"local_asn,omitempty"`
-	PeerAsn             uint32                 `protobuf:"varint,4,opt,name=peer_asn,json=peerAsn,proto3" json:"peer_asn,omitempty"`
-	PeerGroupName       string                 `protobuf:"bytes,5,opt,name=peer_group_name,json=peerGroupName,proto3" json:"peer_group_name,omitempty"`
-	Type                PeerType               `protobuf:"varint,6,opt,name=type,proto3,enum=api.PeerType" json:"type,omitempty"`
-	RemovePrivate       RemovePrivate          `protobuf:"varint,7,opt,name=remove_private,json=removePrivate,proto3,enum=api.RemovePrivate" json:"remove_private,omitempty"`
-	RouteFlapDamping    bool                   `protobuf:"varint,8,opt,name=route_flap_damping,json=routeFlapDamping,proto3" json:"route_flap_damping,omitempty"`
-	SendCommunity       uint32                 `protobuf:"varint,9,opt,name=send_community,json=sendCommunity,proto3" json:"send_community,omitempty"`
-	SendSoftwareVersion bool                   `protobuf:"varint,10,opt,name=send_software_version,json=sendSoftwareVersion,proto3" json:"send_software_version,omitempty"`
-	unknownFields       protoimpl.UnknownFields
-	sizeCache           protoimpl.SizeCache
+	state                protoimpl.MessageState `protogen:"open.v1"`
+	AuthPassword         string                 `protobuf:"bytes,1,opt,name=auth_password,json=authPassword,proto3" json:"auth_password,omitempty"`
+	Description          string                 `protobuf:"bytes,2,opt,name=description,proto3" json:"description,omitempty"`
+	LocalAsn             uint32                 `protobuf:"varint,3,opt,name=local_asn,json=localAsn,proto3" json:"local_asn,omitempty"`
+	PeerAsn              uint32                 `protobuf:"varint,4,opt,name=peer_asn,json=peerAsn,proto3" json:"peer_asn,omitempty"`
+	PeerGroupName        string                 `protobuf:"bytes,5,opt,name=peer_group_name,json=peerGroupName,proto3" json:"peer_group_name,omitempty"`
+	Type                 PeerType               `protobuf:"varint,6,opt,name=type,proto3,enum=api.PeerType" json:"type,omitempty"`
+	RemovePrivate        RemovePrivate          `protobuf:"varint,7,opt,name=remove_private,json=removePrivate,proto3,enum=api.RemovePrivate" json:"remove_private,omitempty"`
+	RouteFlapDamping     bool                   `protobuf:"varint,8,opt,name=route_flap_damping,json=routeFlapDamping,proto3" json:"route_flap_damping,omitempty"`
+	SendCommunity        uint32                 `protobuf:"varint,9,opt,name=send_community,json=sendCommunity,proto3" json:"send_community,omitempty"`
+	SendSoftwareVersion  bool                   `protobuf:"varint,10,opt,name=send_software_version,json=sendSoftwareVersion,proto3" json:"send_software_version,omitempty"`
+	AllowOwnAsn          uint32                 `protobuf:"varint,11,opt,name=allow_own_asn,json=allowOwnAsn,proto3" json:"allow_own_asn,omitempty"`
+	ReplacePeerAsn       bool                   `protobuf:"varint,12,opt,name=replace_peer_asn,json=replacePeerAsn,proto3" json:"replace_peer_asn,omitempty"`
+	AllowAspathLoopLocal bool                   `protobuf:"varint,13,opt,name=allow_aspath_loop_local,json=allowAspathLoopLocal,proto3" json:"allow_aspath_loop_local,omitempty"`
+	unknownFields        protoimpl.UnknownFields
+	sizeCache            protoimpl.SizeCache
 }
 
 func (x *PeerGroupConf) Reset() {
@@ -7666,6 +7669,27 @@ func (x *PeerGroupConf) GetSendSoftwareVersion() bool {
 	return false
 }
 
+func (x *PeerGroupConf) GetAllowOwnAsn() uint32 {
+	if x != nil {
+		return x.AllowOwnAsn
+	}
+	return 0
+}
+
+func (x *PeerGroupConf) GetReplacePeerAsn() bool {
+	if x != nil {
+		return x.ReplacePeerAsn
+	}
+	return false
+}
+
+func (x *PeerGroupConf) GetAllowAspathLoopLocal() bool {
+	if x != nil {
+		return x.AllowAspathLoopLocal
+	}
+	return false
+}
+
 type PeerGroupState struct {
 	state            protoimpl.MessageState `protogen:"open.v1"`
 	AuthPassword     string                 `protobuf:"bytes,1,opt,name=auth_password,json=authPassword,proto3" json:"auth_password,omitempty"`
@@ -13599,7 +13623,7 @@ const file_api_gobgp_proto_rawDesc = "" +
 	"\n" +
 	"admin_down\x18\x0f \x01(\bR\tadminDown\x122\n" +
 	"\x15send_software_version\x18\x10 \x01(\bR\x13sendSoftwareVersion\x125\n" +
-	"\x17allow_aspath_loop_local\x18\x11 \x01(\bR\x14allowAspathLoopLocal\"\x9d\x03\n" +
+	"\x17allow_aspath_loop_local\x18\x11 \x01(\bR\x14allowAspathLoopLocal\"\xa2\x04\n" +
 	"\rPeerGroupConf\x12#\n" +
 	"\rauth_password\x18\x01 \x01(\tR\fauthPassword\x12 \n" +
 	"\vdescription\x18\x02 \x01(\tR\vdescription\x12\x1b\n" +
@@ -13611,7 +13635,10 @@ const file_api_gobgp_proto_rawDesc = "" +
 	"\x12route_flap_damping\x18\b \x01(\bR\x10routeFlapDamping\x12%\n" +
 	"\x0esend_community\x18\t \x01(\rR\rsendCommunity\x122\n" +
 	"\x15send_software_version\x18\n" +
-	" \x01(\bR\x13sendSoftwareVersion\"\xb2\x03\n" +
+	" \x01(\bR\x13sendSoftwareVersion\x12\"\n" +
+	"\rallow_own_asn\x18\v \x01(\rR\vallowOwnAsn\x12(\n" +
+	"\x10replace_peer_asn\x18\f \x01(\bR\x0ereplacePeerAsn\x125\n" +
+	"\x17allow_aspath_loop_local\x18\r \x01(\bR\x14allowAspathLoopLocal\"\xb2\x03\n" +
 	"\x0ePeerGroupState\x12#\n" +
 	"\rauth_password\x18\x01 \x01(\tR\fauthPassword\x12 \n" +
 	"\vdescription\x18\x02 \x01(\tR\vdescription\x12\x1b\n" +
diff --git a/pkg/config/oc/util.go b/pkg/config/oc/util.go
index 240b2250f..ca7014a90 100644
--- a/pkg/config/oc/util.go
+++ b/pkg/config/oc/util.go
@@ -675,14 +675,17 @@ func NewPeerGroupFromConfigStruct(pconf *PeerGroup) *api.PeerGroup {
 	return &api.PeerGroup{
 		ApplyPolicy: newApplyPolicyFromConfigStruct(&pconf.ApplyPolicy),
 		Conf: &api.PeerGroupConf{
-			PeerAsn:             pconf.Config.PeerAs,
-			LocalAsn:            pconf.Config.LocalAs,
-			Type:                toPeerType(pconf.Config.PeerType),
-			AuthPassword:        pconf.Config.AuthPassword,
-			RouteFlapDamping:    pconf.Config.RouteFlapDamping,
-			Description:         pconf.Config.Description,
-			PeerGroupName:       pconf.Config.PeerGroupName,
-			SendSoftwareVersion: pconf.Config.SendSoftwareVersion,
+			PeerAsn:              pconf.Config.PeerAs,
+			LocalAsn:             pconf.Config.LocalAs,
+			Type:                 toPeerType(pconf.Config.PeerType),
+			AuthPassword:         pconf.Config.AuthPassword,
+			RouteFlapDamping:     pconf.Config.RouteFlapDamping,
+			Description:          pconf.Config.Description,
+			PeerGroupName:        pconf.Config.PeerGroupName,
+			SendSoftwareVersion:  pconf.Config.SendSoftwareVersion,
+			AllowOwnAsn:          uint32(pconf.AsPathOptions.Config.AllowOwnAs),
+			ReplacePeerAsn:       pconf.AsPathOptions.Config.ReplacePeerAs,
+			AllowAspathLoopLocal: pconf.AsPathOptions.Config.AllowAsPathLoopLocal,
 		},
 		Info: &api.PeerGroupState{
 			PeerAsn:       s.PeerAs,
diff --git a/pkg/server/grpc_server.go b/pkg/server/grpc_server.go
index 554eadb7c..ac4745cd0 100644
--- a/pkg/server/grpc_server.go
+++ b/pkg/server/grpc_server.go
@@ -1154,6 +1154,12 @@ func newPeerGroupFromAPIStruct(a *api.PeerGroup) (*oc.PeerGroup, error) {
 		pconf.Config.Description = a.Conf.Description
 		pconf.Config.PeerGroupName = a.Conf.PeerGroupName
 		pconf.Config.SendSoftwareVersion = a.Conf.SendSoftwareVersion
+		if a.Conf.AllowOwnAsn > math.MaxUint8 {
+			return nil, fmt.Errorf("allow_own_asn is out of range: %d", a.Conf.AllowOwnAsn)
+		}
+		pconf.AsPathOptions.Config.AllowOwnAs = uint8(a.Conf.AllowOwnAsn)
+		pconf.AsPathOptions.Config.ReplacePeerAs = a.Conf.ReplacePeerAsn
+		pconf.AsPathOptions.Config.AllowAsPathLoopLocal = a.Conf.AllowAspathLoopLocal
 
 		switch a.Conf.RemovePrivate {
 		case api.RemovePrivate_REMOVE_PRIVATE_ALL:
diff --git a/pkg/server/grpc_server_test.go b/pkg/server/grpc_server_test.go
index 0c70ec630..241a35e37 100644
--- a/pkg/server/grpc_server_test.go
+++ b/pkg/server/grpc_server_test.go
@@ -64,6 +64,16 @@ func TestParseHost(t *testing.T) {
 	}
 }
 
+func TestNewPeerGroupFromAPIStructRejectsInvalidAllowOwnAsn(t *testing.T) {
+	_, err := newPeerGroupFromAPIStruct(&api.PeerGroup{
+		Conf: &api.PeerGroupConf{
+			PeerGroupName: "pg",
+			AllowOwnAsn:   256,
+		},
+	})
+	assert.ErrorContains(t, err, "allow_own_asn is out of range")
+}
+
 func TestToPathApi(t *testing.T) {
 	type args struct {
 		path            *table.Path
diff --git a/proto/api/gobgp.proto b/proto/api/gobgp.proto
index b679141cb..b0354be32 100644
--- a/proto/api/gobgp.proto
+++ b/proto/api/gobgp.proto
@@ -780,6 +780,9 @@ message PeerGroupConf {
   bool route_flap_damping = 8;
   uint32 send_community = 9;
   bool send_software_version = 10;
+  uint32 allow_own_asn = 11;
+  bool replace_peer_asn = 12;
+  bool allow_aspath_loop_local = 13;
 }
 
 message PeerGroupState {