No. Time Source Destination Protocol Length Info 1 0.000000000 172.16.254.116 172.16.254.117 DTLSv1.0 205 Client Hello Frame 1: 205 bytes on wire (1640 bits), 205 bytes captured (1640 bits) on interface 0 Interface id: 0 Encapsulation type: Ethernet (1) Arrival Time: May 11, 2016 12:58:56.756401000 PDT [Time shift for this packet: 0.000000000 seconds] Epoch Time: 1462996736.756401000 seconds [Time delta from previous captured frame: 0.000000000 seconds] [Time delta from previous displayed frame: 0.000000000 seconds] [Time since reference or first frame: 0.000000000 seconds] Frame Number: 1 Frame Length: 205 bytes (1640 bits) Capture Length: 205 bytes (1640 bits) [Frame is marked: True] [Frame is ignored: False] [Protocols in frame: eth:ip:udp:dtls] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: de:42:6d:97:c9:bb (de:42:6d:97:c9:bb), Dst: Vmware_1f:d4:de (00:0c:29:1f:d4:de) Destination: Vmware_1f:d4:de (00:0c:29:1f:d4:de) Address: Vmware_1f:d4:de (00:0c:29:1f:d4:de) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: de:42:6d:97:c9:bb (de:42:6d:97:c9:bb) Address: de:42:6d:97:c9:bb (de:42:6d:97:c9:bb) .... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IP (0x0800) Internet Protocol Version 4, Src: 172.16.254.116 (172.16.254.116), Dst: 172.16.254.117 (172.16.254.117) Version: 4 Header length: 20 bytes Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00: Not-ECT (Not ECN-Capable Transport)) 0000 00.. = Differentiated Services Codepoint: Default (0x00) .... ..00 = Explicit Congestion Notification: Not-ECT (Not ECN-Capable Transport) (0x00) Total Length: 191 Identification: 0x0003 (3) Flags: 0x00 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set Fragment offset: 0 Time to live: 255 Protocol: UDP (17) Header checksum: 0x661f [validation disabled] [Good: False] [Bad: False] Source: 172.16.254.116 (172.16.254.116) Destination: 172.16.254.117 (172.16.254.117) [Source GeoIP: Unknown] [Destination GeoIP: Unknown] User Datagram Protocol, Src Port: 38742 (38742), Dst Port: coaps (5684) Source port: 38742 (38742) Destination port: coaps (5684) Length: 171 Checksum: 0x0dfc [validation disabled] [Good Checksum: False] [Bad Checksum: False] Datagram Transport Layer Security DTLSv1.2 Record Layer: Handshake Protocol: Client Hello Content Type: Handshake (22) Version: DTLS 1.0 (0xfeff) Epoch: 0 Sequence Number: 0 Length: 150 Handshake Protocol: Client Hello Handshake Type: Client Hello (1) Length: 138 Message Sequence: 0 Fragment Offset: 0 Fragment Length: 138 Version: DTLS 1.2 (0xfefd) Random.gmt_unix_time: Dec 31, 1969 16:45:02.000000000 PST Random.bytes Session ID Length: 0 Cookie Length: 0 Cipher Suites Length: 46 Cipher Suites (23 suites) Cipher Suite: TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 (0xc02c) Cipher Suite: TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (0xc030) Cipher Suite: Unknown (0xc0ad) Cipher Suite: TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 (0xc024) Cipher Suite: TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 (0xc028) Cipher Suite: Unknown (0xc0af) Cipher Suite: TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 (0xc02b) Cipher Suite: TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (0xc02f) Cipher Suite: Unknown (0xc0ac) Cipher Suite: TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 (0xc023) Cipher Suite: TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 (0xc027) Cipher Suite: Unknown (0xc0ae) Cipher Suite: TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384 (0xc038) Cipher Suite: TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256 (0xc037) Cipher Suite: TLS_PSK_WITH_AES_256_GCM_SHA384 (0x00a9) Cipher Suite: TLS_PSK_WITH_AES_256_CCM (0xc0a5) Cipher Suite: TLS_PSK_WITH_AES_256_CBC_SHA384 (0x00af) Cipher Suite: TLS_PSK_WITH_AES_256_CCM_8 (0xc0a9) Cipher Suite: TLS_PSK_WITH_AES_128_GCM_SHA256 (0x00a8) Cipher Suite: TLS_PSK_WITH_AES_128_CCM (0xc0a4) Cipher Suite: TLS_PSK_WITH_AES_128_CBC_SHA256 (0x00ae) Cipher Suite: TLS_PSK_WITH_AES_128_CCM_8 (0xc0a8) Cipher Suite: TLS_EMPTY_RENEGOTIATION_INFO_SCSV (0x00ff) Compression Methods Length: 1 Compression Methods (1 method) Compression Method: null (0) Extensions Length: 50 Extension: signature_algorithms Type: signature_algorithms (0x000d) Length: 18 Data (18 bytes) Extension: elliptic_curves Type: elliptic_curves (0x000a) Length: 6 Data (6 bytes) Extension: ec_point_formats Type: ec_point_formats (0x000b) Length: 2 Data (2 bytes) Extension: Unknown 22 Type: Unknown (0x0016) Length: 0 Data (0 bytes) Extension: Unknown 23 Type: Unknown (0x0017) Length: 0 Data (0 bytes) Extension: SessionTicket TLS Type: SessionTicket TLS (0x0023) Length: 0 Data (0 bytes) No. Time Source Destination Protocol Length Info 2 0.001456000 172.16.254.117 172.16.254.116 DTLSv1.2 102 Hello Verify Request Frame 2: 102 bytes on wire (816 bits), 102 bytes captured (816 bits) on interface 0 Interface id: 0 Encapsulation type: Ethernet (1) Arrival Time: May 11, 2016 12:58:56.757857000 PDT [Time shift for this packet: 0.000000000 seconds] Epoch Time: 1462996736.757857000 seconds [Time delta from previous captured frame: 0.001456000 seconds] [Time delta from previous displayed frame: 0.001456000 seconds] [Time since reference or first frame: 0.001456000 seconds] Frame Number: 2 Frame Length: 102 bytes (816 bits) Capture Length: 102 bytes (816 bits) [Frame is marked: True] [Frame is ignored: False] [Protocols in frame: eth:ip:udp:dtls] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Vmware_1f:d4:de (00:0c:29:1f:d4:de), Dst: de:42:6d:97:c9:bb (de:42:6d:97:c9:bb) Destination: de:42:6d:97:c9:bb (de:42:6d:97:c9:bb) Address: de:42:6d:97:c9:bb (de:42:6d:97:c9:bb) .... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Vmware_1f:d4:de (00:0c:29:1f:d4:de) Address: Vmware_1f:d4:de (00:0c:29:1f:d4:de) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IP (0x0800) Internet Protocol Version 4, Src: 172.16.254.117 (172.16.254.117), Dst: 172.16.254.116 (172.16.254.116) Version: 4 Header length: 20 bytes Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00: Not-ECT (Not ECN-Capable Transport)) 0000 00.. = Differentiated Services Codepoint: Default (0x00) .... ..00 = Explicit Congestion Notification: Not-ECT (Not ECN-Capable Transport) (0x00) Total Length: 88 Identification: 0xd725 (55077) Flags: 0x02 (Don't Fragment) 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set Fragment offset: 0 Time to live: 64 Protocol: UDP (17) Header checksum: 0x0e64 [validation disabled] [Good: False] [Bad: False] Source: 172.16.254.117 (172.16.254.117) Destination: 172.16.254.116 (172.16.254.116) [Source GeoIP: Unknown] [Destination GeoIP: Unknown] User Datagram Protocol, Src Port: coaps (5684), Dst Port: 38742 (38742) Source port: coaps (5684) Destination port: 38742 (38742) Length: 68 Checksum: 0x5561 [validation disabled] [Good Checksum: False] [Bad Checksum: False] Datagram Transport Layer Security DTLSv1.2 Record Layer: Handshake Protocol: Hello Verify Request Content Type: Handshake (22) Version: DTLS 1.2 (0xfefd) Epoch: 0 Sequence Number: 0 Length: 47 Handshake Protocol: Hello Verify Request Handshake Type: Hello Verify Request (3) Length: 35 Message Sequence: 0 Fragment Offset: 0 Fragment Length: 35 Version: DTLS 1.2 (0xfefd) Cookie Length: 32 Cookie (32 bytes) No. Time Source Destination Protocol Length Info 3 0.005255000 172.16.254.116 172.16.254.117 DTLSv1.0 237 Client Hello Frame 3: 237 bytes on wire (1896 bits), 237 bytes captured (1896 bits) on interface 0 Interface id: 0 Encapsulation type: Ethernet (1) Arrival Time: May 11, 2016 12:58:56.761656000 PDT [Time shift for this packet: 0.000000000 seconds] Epoch Time: 1462996736.761656000 seconds [Time delta from previous captured frame: 0.003799000 seconds] [Time delta from previous displayed frame: 0.003799000 seconds] [Time since reference or first frame: 0.005255000 seconds] Frame Number: 3 Frame Length: 237 bytes (1896 bits) Capture Length: 237 bytes (1896 bits) [Frame is marked: True] [Frame is ignored: False] [Protocols in frame: eth:ip:udp:dtls] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: de:42:6d:97:c9:bb (de:42:6d:97:c9:bb), Dst: Vmware_1f:d4:de (00:0c:29:1f:d4:de) Destination: Vmware_1f:d4:de (00:0c:29:1f:d4:de) Address: Vmware_1f:d4:de (00:0c:29:1f:d4:de) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: de:42:6d:97:c9:bb (de:42:6d:97:c9:bb) Address: de:42:6d:97:c9:bb (de:42:6d:97:c9:bb) .... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IP (0x0800) Internet Protocol Version 4, Src: 172.16.254.116 (172.16.254.116), Dst: 172.16.254.117 (172.16.254.117) Version: 4 Header length: 20 bytes Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00: Not-ECT (Not ECN-Capable Transport)) 0000 00.. = Differentiated Services Codepoint: Default (0x00) .... ..00 = Explicit Congestion Notification: Not-ECT (Not ECN-Capable Transport) (0x00) Total Length: 223 Identification: 0x0004 (4) Flags: 0x00 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set Fragment offset: 0 Time to live: 255 Protocol: UDP (17) Header checksum: 0x65fe [validation disabled] [Good: False] [Bad: False] Source: 172.16.254.116 (172.16.254.116) Destination: 172.16.254.117 (172.16.254.117) [Source GeoIP: Unknown] [Destination GeoIP: Unknown] User Datagram Protocol, Src Port: 38742 (38742), Dst Port: coaps (5684) Source port: 38742 (38742) Destination port: coaps (5684) Length: 203 Checksum: 0x225a [validation disabled] [Good Checksum: False] [Bad Checksum: False] Datagram Transport Layer Security DTLSv1.2 Record Layer: Handshake Protocol: Client Hello Content Type: Handshake (22) Version: DTLS 1.0 (0xfeff) Epoch: 0 Sequence Number: 1 Length: 182 Handshake Protocol: Client Hello Handshake Type: Client Hello (1) Length: 170 Message Sequence: 1 Fragment Offset: 0 Fragment Length: 170 Version: DTLS 1.2 (0xfefd) Random.gmt_unix_time: Dec 31, 1969 16:45:02.000000000 PST Random.bytes Session ID Length: 0 Cookie Length: 32 Cookie (32 bytes) Cipher Suites Length: 46 Cipher Suites (23 suites) Cipher Suite: TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 (0xc02c) Cipher Suite: TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (0xc030) Cipher Suite: Unknown (0xc0ad) Cipher Suite: TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 (0xc024) Cipher Suite: TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 (0xc028) Cipher Suite: Unknown (0xc0af) Cipher Suite: TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 (0xc02b) Cipher Suite: TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (0xc02f) Cipher Suite: Unknown (0xc0ac) Cipher Suite: TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 (0xc023) Cipher Suite: TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 (0xc027) Cipher Suite: Unknown (0xc0ae) Cipher Suite: TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384 (0xc038) Cipher Suite: TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256 (0xc037) Cipher Suite: TLS_PSK_WITH_AES_256_GCM_SHA384 (0x00a9) Cipher Suite: TLS_PSK_WITH_AES_256_CCM (0xc0a5) Cipher Suite: TLS_PSK_WITH_AES_256_CBC_SHA384 (0x00af) Cipher Suite: TLS_PSK_WITH_AES_256_CCM_8 (0xc0a9) Cipher Suite: TLS_PSK_WITH_AES_128_GCM_SHA256 (0x00a8) Cipher Suite: TLS_PSK_WITH_AES_128_CCM (0xc0a4) Cipher Suite: TLS_PSK_WITH_AES_128_CBC_SHA256 (0x00ae) Cipher Suite: TLS_PSK_WITH_AES_128_CCM_8 (0xc0a8) Cipher Suite: TLS_EMPTY_RENEGOTIATION_INFO_SCSV (0x00ff) Compression Methods Length: 1 Compression Methods (1 method) Compression Method: null (0) Extensions Length: 50 Extension: signature_algorithms Type: signature_algorithms (0x000d) Length: 18 Data (18 bytes) Extension: elliptic_curves Type: elliptic_curves (0x000a) Length: 6 Data (6 bytes) Extension: ec_point_formats Type: ec_point_formats (0x000b) Length: 2 Data (2 bytes) Extension: Unknown 22 Type: Unknown (0x0016) Length: 0 Data (0 bytes) Extension: Unknown 23 Type: Unknown (0x0017) Length: 0 Data (0 bytes) Extension: SessionTicket TLS Type: SessionTicket TLS (0x0023) Length: 0 Data (0 bytes) No. Time Source Destination Protocol Length Info 4 0.013837000 172.16.254.117 172.16.254.116 DTLSv1.2 57 Alert (Level: Fatal, Description: Unsupported Certificate) Frame 4: 57 bytes on wire (456 bits), 57 bytes captured (456 bits) on interface 0 Interface id: 0 Encapsulation type: Ethernet (1) Arrival Time: May 11, 2016 12:58:56.770238000 PDT [Time shift for this packet: 0.000000000 seconds] Epoch Time: 1462996736.770238000 seconds [Time delta from previous captured frame: 0.008582000 seconds] [Time delta from previous displayed frame: 0.008582000 seconds] [Time since reference or first frame: 0.013837000 seconds] Frame Number: 4 Frame Length: 57 bytes (456 bits) Capture Length: 57 bytes (456 bits) [Frame is marked: True] [Frame is ignored: False] [Protocols in frame: eth:ip:udp:dtls] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Vmware_1f:d4:de (00:0c:29:1f:d4:de), Dst: de:42:6d:97:c9:bb (de:42:6d:97:c9:bb) Destination: de:42:6d:97:c9:bb (de:42:6d:97:c9:bb) Address: de:42:6d:97:c9:bb (de:42:6d:97:c9:bb) .... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Vmware_1f:d4:de (00:0c:29:1f:d4:de) Address: Vmware_1f:d4:de (00:0c:29:1f:d4:de) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IP (0x0800) Internet Protocol Version 4, Src: 172.16.254.117 (172.16.254.117), Dst: 172.16.254.116 (172.16.254.116) Version: 4 Header length: 20 bytes Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00: Not-ECT (Not ECN-Capable Transport)) 0000 00.. = Differentiated Services Codepoint: Default (0x00) .... ..00 = Explicit Congestion Notification: Not-ECT (Not ECN-Capable Transport) (0x00) Total Length: 43 Identification: 0xd726 (55078) Flags: 0x02 (Don't Fragment) 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set Fragment offset: 0 Time to live: 64 Protocol: UDP (17) Header checksum: 0x0e90 [validation disabled] [Good: False] [Bad: False] Source: 172.16.254.117 (172.16.254.117) Destination: 172.16.254.116 (172.16.254.116) [Source GeoIP: Unknown] [Destination GeoIP: Unknown] User Datagram Protocol, Src Port: coaps (5684), Dst Port: 38742 (38742) Source port: coaps (5684) Destination port: 38742 (38742) Length: 23 Checksum: 0x5534 [validation disabled] [Good Checksum: False] [Bad Checksum: False] Datagram Transport Layer Security DTLSv1.2 Record Layer: Alert (Level: Fatal, Description: Unsupported Certificate) Content Type: Alert (21) Version: DTLS 1.2 (0xfefd) Epoch: 0 Sequence Number: 1 Length: 2 Alert Message Level: Fatal (2) Description: Unsupported Certificate (43)