diff --git a/include/zenoh-pico/transport/raweth/config.h b/include/zenoh-pico/transport/raweth/config.h
index f199a4797..c8d644747 100644
--- a/include/zenoh-pico/transport/raweth/config.h
+++ b/include/zenoh-pico/transport/raweth/config.h
@@ -26,7 +26,7 @@
 
 typedef struct {
     _z_keyexpr_t _keyexpr;
-    uint16_t _vlan;  // vlan tag (pcp + dei + id)
+    uint16_t _vlan;  // vlan tag (pcp + dei + id), big endian
     uint8_t _dmac[_ZP_MAC_ADDR_LENGTH];
     _Bool _has_vlan;
 } _zp_raweth_cfg_entry;
diff --git a/src/transport/raweth/config.c b/src/transport/raweth/config.c
index 646865f5a..9497a3d9a 100644
--- a/src/transport/raweth/config.c
+++ b/src/transport/raweth/config.c
@@ -16,7 +16,7 @@
 
 #if Z_FEATURE_RAWETH_TRANSPORT == 1
 
-// Should be generated
+// Should be generated (big endian format)
 const uint16_t _ZP_RAWETH_CFG_ETHTYPE = 0x72e0;
 
 // Should be generated
@@ -27,9 +27,9 @@ const uint8_t _ZP_RAWETH_CFG_SMAC[_ZP_MAC_ADDR_LENGTH] = {0x30, 0x03, 0xc8, 0x37
 
 // Should be generated
 const _zp_raweth_cfg_entry _ZP_RAWETH_CFG_ARRAY[] = {
-    {{0, {0}, ""}, 0x00, {0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff}, false},                // Default mac addr
-    {{0, {0}, "some/key/expr"}, 0x8c, {0x00, 0x11, 0x22, 0x33, 0x44, 0x55}, true},    // entry1
-    {{0, {0}, "another/keyexpr"}, 0x43, {0x01, 0x23, 0x45, 0x67, 0x89, 0xab}, true},  // entry2
+    {{0, {0}, ""}, 0x0000, {0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff}, false},                // Default mac addr
+    {{0, {0}, "some/key/expr"}, 0x8c00, {0x00, 0x11, 0x22, 0x33, 0x44, 0x55}, true},    // entry1
+    {{0, {0}, "another/keyexpr"}, 0x4300, {0x01, 0x23, 0x45, 0x67, 0x89, 0xab}, true},  // entry2
 };
 
 // Should be generated