diff --git a/tests/net/dhcpv4/client/src/main.c b/tests/net/dhcpv4/client/src/main.c
index 91f8f06d1bfae7..ceddbbe9e6982b 100644
--- a/tests/net/dhcpv4/client/src/main.c
+++ b/tests/net/dhcpv4/client/src/main.c
@@ -67,24 +67,36 @@ static const unsigned char offer[420] = {
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x63, 0x82,
-0x53, 0x63, 0x35, 0x01, 0x02, 0x01, 0x04, 0xff,
-0xff, 0xff, 0x00, 0x3a, 0x04, 0x00, 0x00, 0x54,
-0x60, 0x3b, 0x04, 0x00, 0x00, 0x93, 0xa8, 0x33,
-0x04, 0x00, 0x00, 0xa8, 0xc0, 0x36, 0x04, 0x0a,
-0xb8, 0x09, 0x01, 0x03, 0x04, 0x0a, 0xed, 0x48,
-0x01, 0x0f, 0x0d, 0x66, 0x69, 0x2e, 0x69, 0x6e,
-0x74, 0x65, 0x6c, 0x2e, 0x63, 0x6f, 0x6d, 0x00,
-0x06, 0x0c, 0x0a, 0xf8, 0x02, 0x01, 0xa3, 0x21,
-0xfd, 0x44, 0x0a, 0xb8, 0x09, 0x01, 0x77, 0x3d,
-0x02, 0x66, 0x69, 0x05, 0x69, 0x6e, 0x74, 0x65,
-0x6c, 0x03, 0x63, 0x6f, 0x6d, 0x00, 0x03, 0x67,
-0x65, 0x72, 0x04, 0x63, 0x6f, 0x72, 0x70, 0x05,
-0x69, 0x6e, 0x74, 0x65, 0x6c, 0x03, 0x63, 0x6f,
-0x6d, 0x00, 0x04, 0x63, 0x6f, 0x72, 0x70, 0x05,
-0x69, 0x6e, 0x74, 0x65, 0x6c, 0x03, 0x63, 0x6f,
-0x6d, 0x00, 0x05, 0x69, 0x6e, 0x74, 0x65, 0x6c,
-0x03, 0x63, 0x6f, 0x6d, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/* Magic cookie: DHCP */
+0x63, 0x82, 0x53, 0x63,
+/* [53] DHCP Message Type: OFFER */
+0x35, 0x01, 0x02,
+/* [1] Subnet Mask: 255.255.255.0 */
+0x01, 0x04, 0xff, 0xff, 0xff, 0x00,
+/* [58] Renewal Time Value: (21600s) 6 hours */
+0x3a, 0x04, 0x00, 0x00, 0x54, 0x60,
+/* [59] Rebinding Time Value: (37800s) 1 hour 30 min */
+0x3b, 0x04, 0x00, 0x00, 0x93, 0xa8,
+/* [51] IP Address Lease Time: (43200s) 12 hours */
+0x33, 0x04, 0x00, 0x00, 0xa8, 0xc0,
+/* [54] DHCP Server Identifier: 10.184.9.1 */
+0x36, 0x04, 0x0a, 0xb8, 0x09, 0x01,
+/* [3] Router: 10.237.72.1 */
+0x03, 0x04, 0x0a, 0xed, 0x48, 0x01,
+/* [15] Domain Name: fi.intel.com */
+0x0f, 0x0d, 0x66, 0x69, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x6c, 0x2e, 0x63, 0x6f, 0x6d, 0x00,
+/* [6] Domain Name Server: 10.248.2.1 163.33.253.68 10.184.9.1 */
+0x06, 0x0c, 0x0a, 0xf8, 0x02, 0x01, 0xa3, 0x21, 0xfd, 0x44, 0x0a, 0xb8, 0x09, 0x01,
+/* [119] Domain Search Option: fi.intel.com ger.corp.intel.com corp.intel.com intel.com */
+0x77, 0x3d, 0x02, 0x66, 0x69, 0x05, 0x69, 0x6e,
+0x74, 0x65, 0x6c, 0x03, 0x63, 0x6f, 0x6d, 0x00,
+0x03, 0x67, 0x65, 0x72, 0x04, 0x63, 0x6f, 0x72,
+0x70, 0x05, 0x69, 0x6e, 0x74, 0x65, 0x6c, 0x03,
+0x63, 0x6f, 0x6d, 0x00, 0x04, 0x63, 0x6f, 0x72,
+0x70, 0x05, 0x69, 0x6e, 0x74, 0x65, 0x6c, 0x03,
+0x63, 0x6f, 0x6d, 0x00, 0x05, 0x69, 0x6e, 0x74,
+0x65, 0x6c, 0x03, 0x63, 0x6f, 0x6d, 0x00,
 /* [44] NetBIOS Name Servers: 163.33.7.86, 143.182.250.105 */
 0x2c, 0x08, 0xa3, 0x21, 0x07, 0x56, 0x8f, 0xb6, 0xfa, 0x69,
 /* [43] Encapsulated vendor specific information */
@@ -142,24 +154,36 @@ static const unsigned char ack[420] = {
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-0x00, 0x00, 0x00, 0x00, 0x63, 0x82, 0x53, 0x63,
-0x35, 0x01, 0x05, 0x3a, 0x04, 0x00, 0x00, 0x54,
-0x60, 0x3b, 0x04, 0x00, 0x00, 0x93, 0xa8, 0x33,
-0x04, 0x00, 0x00, 0xa8, 0xc0, 0x36, 0x04, 0x0a,
-0xb8, 0x09, 0x01, 0x01, 0x04, 0xff, 0xff, 0xff,
-0x00, 0x03, 0x04, 0x0a, 0xed, 0x48, 0x01, 0x0f,
-0x0d, 0x66, 0x69, 0x2e, 0x69, 0x6e, 0x74, 0x65,
-0x6c, 0x2e, 0x63, 0x6f, 0x6d, 0x00, 0x06, 0x0c,
-0x0a, 0xf8, 0x02, 0x01, 0xa3, 0x21, 0xfd, 0x44,
-0x0a, 0xb8, 0x09, 0x01, 0x77, 0x3d, 0x02, 0x66,
-0x69, 0x05, 0x69, 0x6e, 0x74, 0x65, 0x6c, 0x03,
-0x63, 0x6f, 0x6d, 0x00, 0x03, 0x67, 0x65, 0x72,
-0x04, 0x63, 0x6f, 0x72, 0x70, 0x05, 0x69, 0x6e,
-0x74, 0x65, 0x6c, 0x03, 0x63, 0x6f, 0x6d, 0x00,
-0x04, 0x63, 0x6f, 0x72, 0x70, 0x05, 0x69, 0x6e,
+0x00, 0x00, 0x00, 0x00,
+/* Magic cookie: DHCP */
+0x63, 0x82, 0x53, 0x63,
+/* [53] DHCP Message Type: ACK */
+0x35, 0x01, 0x05,
+/* [58] Renewal Time Value: (21600s) 6 hours */
+0x3a, 0x04, 0x00, 0x00, 0x54, 0x60,
+/* [59] Rebinding Time Value: (37800s) 1 hour 30 min */
+0x3b, 0x04, 0x00, 0x00, 0x93, 0xa8,
+/* [51] IP Address Lease Time: (43200s) 12 hours */
+0x33, 0x04, 0x00, 0x00, 0xa8, 0xc0,
+/* [54] DHCP Server Identifier: 10.184.9.1 */
+0x36, 0x04, 0x0a, 0xb8, 0x09, 0x01,
+/* [1] Subnet Mask: 255.255.255.0 */
+0x01, 0x04, 0xff, 0xff, 0xff, 0x00,
+/* [3] Router: 10.237.72.1 */
+0x03, 0x04, 0x0a, 0xed, 0x48, 0x01,
+/* [15] Domain Name: fi.intel.com */
+0x0f, 0x0d, 0x66, 0x69, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x6c, 0x2e, 0x63, 0x6f, 0x6d, 0x00,
+/* [6] Domain Name Server: 10.248.2.1 163.33.253.68 10.184.9.1 */
+0x06, 0x0c, 0x0a, 0xf8, 0x02, 0x01, 0xa3, 0x21, 0xfd, 0x44, 0x0a, 0xb8, 0x09, 0x01,
+/* [119] Domain Search Option: fi.intel.com ger.corp.intel.com corp.intel.com intel.com */
+0x77, 0x3d, 0x02, 0x66, 0x69, 0x05, 0x69, 0x6e,
 0x74, 0x65, 0x6c, 0x03, 0x63, 0x6f, 0x6d, 0x00,
-0x05, 0x69, 0x6e, 0x74, 0x65, 0x6c, 0x03, 0x63,
-0x6f, 0x6d, 0x00,
+0x03, 0x67, 0x65, 0x72, 0x04, 0x63, 0x6f, 0x72,
+0x70, 0x05, 0x69, 0x6e, 0x74, 0x65, 0x6c, 0x03,
+0x63, 0x6f, 0x6d, 0x00, 0x04, 0x63, 0x6f, 0x72,
+0x70, 0x05, 0x69, 0x6e, 0x74, 0x65, 0x6c, 0x03,
+0x63, 0x6f, 0x6d, 0x00, 0x05, 0x69, 0x6e, 0x74,
+0x65, 0x6c, 0x03, 0x63, 0x6f, 0x6d, 0x00,
 /* [44] NetBIOS Name Servers: 163.33.7.86, 143.182.250.105 */
 0x2c, 0x08, 0xa3, 0x21, 0x07, 0x56, 0x8f, 0xb6, 0xfa, 0x69,
 /* [43] Encapsulated vendor specific information */