diff --git a/cfgpatch.c b/cfgpatch.c
index 1b6f94e..ac4d50a 100644
--- a/cfgpatch.c
+++ b/cfgpatch.c
@@ -13,6 +13,8 @@ int main(int argc, char *argv[])
 {
 	struct filedata *config = get_filedata(argv[1]);
 
+	config_patch(config->data, CFG_PASSWORD, "1234");
+
 	config_patch(config->data, CFG_LOCATION, "location");
 	config_patch(config->data, CFG_SYSNAME, "sysname");
 	config_patch(config->data, CFG_CONTACT, "contact");
@@ -26,6 +28,22 @@ int main(int argc, char *argv[])
 
 	config_patch(config->data, CFG_PORTNAME_MASK + 1, "PORT-001");
 	config_patch(config->data, CFG_PORTNAME_MASK + 2, "PORT-002");
+	config_patch(config->data, CFG_PORTNAME_MASK + 26, "UPLINK");
+
+	config_patch(config->data, CFG_PORTENABLE_MASK + 25, "off");
+
+	config_patch(config->data, CFG_SNMP_READ_COMMUNITY, "public1234");
+	config_patch(config->data, CFG_SNMP_WRITE_COMMUNITY, "private1234");
+
+	config_patch(config->data, CFG_CPUVLAN, "124");
+
+	config_patch(config->data, CFG_PORTVLAN_MASK + 1, "124:check:all");
+	config_patch(config->data, CFG_PORTVLAN_MASK + 2, "124:nocheck:tagged");
+
+	config_patch(config->data, CFG_DOT1QVLAN_MASK + 2, "124:test");
+	config_patch(config->data, CFG_DOT1QPORT_MASK + 2, "1:fixed:tagging");
+	config_patch(config->data, CFG_DOT1QPORT_MASK + 2, "2:normal:notagging");
+	config_patch(config->data, CFG_DOT1QPORT_MASK + 2, "3:forbidden:notagging");
 
 	char outname[64];
 	strncpy(outname, argv[1], sizeof(outname));
diff --git a/configdata.c b/configdata.c
index e803966..95a2134 100644
--- a/configdata.c
+++ b/configdata.c
@@ -1,3 +1,4 @@
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ -50,22 +51,149 @@ static int patch_ip(void *config, struct cfg_patch *patch, int code, const char
 
 static int patch_defaultgw(void *config, struct cfg_patch *patch, int code, const char *parameter)
 {
-	/* metric? */
+	/* defaultgw has metric of 2 */
 	*((uint8_t *)(config + 0x110d)) = 0x02;
 	return patch_ip(config, patch, code, parameter);
 }
 
-static int patch_portname(void *config, struct cfg_patch *patch, int code, const char *parameter)
+static int patch_portenable(void *config, struct cfg_patch *patch, int code, const char *parameter)
 {
-	int num = code - patch->code;
-	if (num < patch->min || num > patch->max)
+	int port = code - patch->code;
+	if (port < 1 || port > 26)
 		return -1;
 
-	strncpy(config + patch->offset + (num -1) * 0x70, parameter, patch->size);
+	int status = (strcmp(parameter, "on") == 0);
+	*((uint8_t *)(config + 0x336b + (port -1) * 0x70)) = (status ? 0x03 : 0x01);
+	return 0;
+}
+
+static int patch_portname(void *config, struct cfg_patch *patch, int code, const char *parameter)
+{
+	int port = code - patch->code;
+	if (port < 1 || port > 26)
+		return -1;
+
+	strncpy(config + 0x336c + (port -1) * 0x70, parameter, patch->size);
+	return 0;
+}
+
+static int patch_snmp_community(void *config, struct cfg_patch *patch, int code, const char *parameter)
+{
+	strncpy(config + 0x00A0 + patch->offset, parameter, patch->size);
+	*((uint8_t *)(config + 0x0101)) = 0x01;
+
+	strncpy(config + 0x9914 + patch->offset, parameter, patch->size);
+	*((uint8_t *)(config + 0x9975)) = 0x01;
+
+	strncpy(config + 0x9984 + patch->offset, parameter, patch->size);
+	*((uint8_t *)(config + 0x99e5)) = 0x01;
+
+	strncpy(config + 0x99f4 + patch->offset, parameter, patch->size);
+	*((uint8_t *)(config + 0x9a55)) = 0x01;
+
+	return 0;
+}
+
+/* TODO: not working "unknown ctl bits" */
+static int patch_portvlan(void *config, struct cfg_patch *patch, int code, const char *parameter)
+{
+	int port = code - patch->code;
+	if (port < 1 || port > 26)
+		return -1;
+
+	char *tmp, *buf = strdup(parameter);
+	int vlanid = atoi(strtok_r(buf, ":", &tmp));
+	int check_ingress = (strcmp(strtok_r(NULL, ":", &tmp), "check") == 0);
+	int accept_all = (strcmp(strtok_r(NULL, ":", &tmp), "all") == 0);
+	free(buf);
+
+	if (vlanid < 0 || vlanid > 255)
+		return -1;
+
+	*((uint8_t *)(config + 0x5eff + (port -1) * 0x30)) = vlanid;
+	*((uint8_t *)(config + 0x5f00 + (port -1) * 0x30)) = accept_all ? 0x00 : 0x01;
+	*((uint8_t *)(config + 0x5f01 + (port -1) * 0x30)) = check_ingress ? 0x01 : 0x00;
+
+	return 0;
+}
+
+/* TODO: not working "unknown ctl bits" */
+static int patch_dot1qvlan(void *config, struct cfg_patch *patch, int code, const char *parameter)
+{
+	int id = code - patch->code;
+	if (id < 1 || id > 32)
+		return -1;
+
+	char *tmp, *buf = strdup(parameter);
+	int vlanid = atoi(strtok_r(buf, ":", &tmp));
+	char *name = strtok_r(NULL, ":", &tmp);
+
+	strncpy(config + 0x63e8 + (id -1) * 0xd0, name, 12);
+	*((uint16_t *)(config + 0x64b4 + (id -1) * 0xd0)) = htons(vlanid);
+	*((uint8_t *)(config + 0x64b6 + (id -1) * 0xd0)) = 0x03;
+
+	/* all ports forbidden & not tagging as default */
+	*((uint32_t *)(config + 0x63f4 + (id -1) * 0xd0)) = 0x03FFFFFF;
+	*((uint32_t *)(config + 0x6434 + (id -1) * 0xd0)) = 0x03FFFFFF;
+	*((uint32_t *)(config + 0x6474 + (id -1) * 0xd0)) = 0;
+
+	free(buf);
+	return 0;
+}
+
+static int patch_dot1qport(void *config, struct cfg_patch *patch, int code, const char *parameter)
+{
+	int id = code - patch->code;
+	if (id < 1 || id > 32)
+		return -1;
+
+	char *tmp, *buf = strdup(parameter);
+	int port = atoi(strtok_r(buf, ":", &tmp));
+	char *control = strtok_r(NULL, ":", &tmp);
+	char *tagging = strtok_r(NULL, ":", &tmp);
+
+	if (port < 1 || port > 26) {
+		free(buf);
+		return -1;
+	}
+
+	uint32_t *a = (uint32_t *)(config + 0x63f4 + (id -1) * 0xd0);
+	uint32_t *b = (uint32_t *)(config + 0x6434 + (id -1) * 0xd0);
+	uint32_t *c = (uint32_t *)(config + 0x6474 + (id -1) * 0xd0);
+
+	uint32_t value = (1 << (port -1));
+	if (strcmp(control, "normal") == 0) {
+		*a &= ~value;
+		*b &= ~value;
+
+	} else if (strcmp(control, "fixed") == 0) {
+		*a &= ~value;
+		*b |= value;
+
+	} else if (strcmp(control, "forbidden") == 0) {
+		*a |= value;
+		*b |= value;
+
+	} else {
+		free(buf);
+		return -1;
+	}
+
+	if (strcmp(tagging, "tagging") == 0)
+		*c |= value;
+	else
+		*c &= ~value;
+
+	free(buf);
 	return 0;
 }
 
 static struct cfg_patch patcharr[] = {{
+	.code = CFG_PASSWORD,
+	.patch = patch_string,
+	.offset = 0x0014,
+	.size = 0x1d,
+}, {
 	.code = CFG_LOCATION,
 	.patch = patch_string,
 	.offset = 0x0034,
@@ -80,6 +208,16 @@ static struct cfg_patch patcharr[] = {{
 	.patch = patch_string,
 	.offset = 0x0074,
 	.size = 0x1d,
+}, {
+	.code = CFG_SNMP_READ_COMMUNITY,
+	.patch = patch_snmp_community,
+	.offset = 0x0000,
+	.size = 0x1f,
+}, {
+	.code = CFG_SNMP_WRITE_COMMUNITY,
+	.patch = patch_snmp_community,
+	.offset = 0x0020,
+	.size = 0x1f,
 }, {
 	.code = CFG_DEFAULTGW,
 	.patch = patch_defaultgw,
@@ -102,13 +240,27 @@ static struct cfg_patch patcharr[] = {{
 	.patch = patch_16bit,
 	.offset = 0x53e8,
 	.min = 0, .max = 65536,
+}, {
+	.code = CFG_PORTENABLE_MASK,
+	.mask = 0xFFFFFFE0,
+	.patch = patch_portenable,
 }, {
 	.code = CFG_PORTNAME_MASK,
 	.mask = 0xFFFFFFE0,
 	.patch = patch_portname,
-	.offset = 0x336c,
-	.size = 9,
-	.min = 1, .max = 26,
+	.size = 0x9,
+}, {
+	.code = CFG_PORTVLAN_MASK,
+	.mask = 0xFFFFFFE0,
+	.patch = patch_portvlan,
+}, {
+	.code = CFG_DOT1QVLAN_MASK,
+	.mask = 0xFFFFFFE0,
+	.patch = patch_dot1qvlan,
+}, {
+	.code = CFG_DOT1QPORT_MASK,
+	.mask = 0xFFFFFFE0,
+	.patch = patch_dot1qport,
 }};
 
 int config_patch(void *config, int code, const char *parameter)
@@ -117,8 +269,14 @@ int config_patch(void *config, int code, const char *parameter)
 	for (i = 0; i < (sizeof(patcharr) / sizeof(struct cfg_patch)); i++) {
 		int mask = (patcharr[i].mask != 0) ? patcharr[i].mask : ~0;
 
-		if ((code & mask) == patcharr[i].code)
-			return patcharr[i].patch(config, &patcharr[i], code, parameter);
+		if ((code & mask) == patcharr[i].code) {
+			int retval = patcharr[i].patch(config, &patcharr[i], code, parameter);
+			if (retval != 0)
+				printf("failed to patch code=0x%x parameter='%s'\n", code, parameter);
+
+			return retval;
+		}
 	}
+	printf("nothing found to patch code=0x%x parameter='%s'\n", code, parameter);
 	return -1;
 }
diff --git a/configdata.h b/configdata.h
index 251085d..583faa6 100644
--- a/configdata.h
+++ b/configdata.h
@@ -2,7 +2,8 @@
 #define _CONFIGDATA_H_
 
 enum {
-	CFG_LOCATION = 0x0001,
+	CFG_PASSWORD = 0x0001,
+	CFG_LOCATION,
 	CFG_SYSNAME,
 	CFG_CONTACT,
 
@@ -13,7 +14,16 @@ enum {
 
 	CFG_MACAGEING,
 
-	CFG_PORTNAME_MASK = 0x0100,	// next 0x0120
+	CFG_CPUVLAN,
+
+	CFG_SNMP_READ_COMMUNITY,
+	CFG_SNMP_WRITE_COMMUNITY,
+
+	CFG_PORTENABLE_MASK = 0x0100,
+	CFG_PORTNAME_MASK = 0x0120,
+	CFG_PORTVLAN_MASK = 0x0140,
+	CFG_DOT1QVLAN_MASK = 0x0160,
+	CFG_DOT1QPORT_MASK = 0x0180,
 };
 
 int config_patch(void *config, int code, const char *parameter);