Title | INIT chunk is received with invalid checksum |
CommandLine | ./InvalidChecksumInInit.seq -pkt ./InvalidChecksumInInit.def -log 21.html -ti INIT chunk is received with invalid checksum |
TestVersion | REL_1_0_0 |
ToolVersion | REL_3_1_0 |
Start | 2009/02/13 13:34:18 |
Tn | .//../etc//tn.def |
Nu | .//../etc//nut.def |
Pkt | ./InvalidChecksumInInit.def |
System | linux-v6 |
TargetName | RHEL5GA |
HostName | FNST |
Type | IPv4 |
13:34:19 | Start |
13:34:19 | Start Capturing Packets (Link0) |
=============== sctpCheckEnv =============== | |
13:34:19 |
vRemote(rcommand.rmt) ``/usr/local/v6eval//bin/linux-v6//rcommand.rmt -t linux-v6 -u root -p goodluck -d ttyS0 -o 1 cmd="killall -9 sctp_test ; killall -9 sctp_darn ; killall -9 sctp_status; checksctp" ''
Connected. [1]+ Exit 1 sctp_test -H 192.168.0.21 -P 4519 -T -l -x 1 -X 1 > /tmp/tstcmd.log 2>&1 [root@RHEL ~]# [root@RHEL ~]# killall -9 sctp_test ; killall -9 sctp_darn ; killall -9 sctp_sta tus; checksctp sctp_test: no process killed sctp_darn: no process killed sctp_status: no process killed SCTP supported [root@RHEL ~]# sendMessagesSync: never got killall -9 sctp_test ; killall -9 sctp_darn ; killall -9 sctp_status; checksctp echo $? 0 [r~. Disconnected. |
============== sctpPingToHost ============== | |
13:34:28 |
vSend(Link0,echo4_request_on_link0) Send Echo Request on Link0 |
13:34:28 | vRecv(Link0,echo4_reply_on_link0 arp_request_on_link0) timeout:5 cntLimit:0 seektime:0 Recv Echo Reply on Link0 |
============== sctpStartServer ============= | |
13:34:28 |
vRemote(rcommandasync.rmt) ``/usr/local/v6eval//bin/linux-v6//rcommandasync.rmt -t linux-v6 -u root -p goodluck -d ttyS0 -o 1 cmd="sctp_test -H 192.168.0.21 -P 4520 -T -l -x 1 -X 1 > /tmp/tstcmd.log 2>&1 &" ''
Connected. [root@RHEL ~]# [root@RHEL ~]# sctp_tes~. Disconnected. |
================ Main Test ================= | |
13:34:32 |
vSend(Link0,sctp_chunk_init_bad_csum) Send SCTP CHUNK_INIT (with Invalid Checksum) |
13:34:32 | vRecv(Link0,sctp_chunk_init_ack_rcv arp_request_on_link0 ) timeout:10 cntLimit:0 seektime:0 vRecv() return status=1 |
================= vConnect ================= | |
13:34:42 |
vSend(Link0,sctp_chunk_init_snd) Send SCTP CHUNK_INIT |
13:34:42 | vRecv(Link0,sctp_chunk_init_ack_rcv arp_request_on_link0 ) timeout:10 cntLimit:0 seektime:0 Recv SCTP CHUNK_INIT_ACK |
13:34:43 |
vSend(Link0,sctp_chunk_cookie_echo_snd) Send SCTP CHUNK_COOKIE_ECHO |
13:34:43 | vRecv(Link0,sctp_chunk_cookie_ack_rcv arp_request_on_link0 ) timeout:10 cntLimit:0 seektime:0 Recv SCTP CHUNK_COOKIE_ACK |
================= vSendMsg ================= | |
13:34:43 |
vSend(Link0,sctp_chunk_data_snd) Send SCTP CHUNK_DATA |
13:34:43 | vRecv(Link0,sctp_chunk_sack_rcv arp_request_on_link0 ) timeout:10 cntLimit:0 seektime:0 Recv SCTP CHUNK_SACK |
================== vClose ================== | |
13:34:43 |
vSend(Link0,sctp_chunk_shutdown_snd) Send SCTP CHUNK_SHUTDOWN |
13:34:43 | vRecv(Link0,sctp_chunk_shutdown_ack_rcv arp_request_on_link0 ) timeout:10 cntLimit:0 seektime:0 Recv SCTP CHUNK_SHUTDOWN_ACK |
13:34:43 |
vSend(Link0,sctp_chunk_shutdown_complete_snd) Send SCTP CHUNK_SHUTDOWN_COMPLETE |
OK | |
13:34:43 | End |
Frame_Ether (length:66) | Hdr_Ether (length:14) | | DestinationAddress = 0:c:29:f:17:34 | | SourceAddress = 0:0:0:0:1:0 | | Type = 2048 | Packet_IPv4 (length:52) | | Hdr_IPv4 (length:20) | | | Version = 4 | | | IHL = 5 | | | TypeOfService = 0 | | | TotalLength = 52 | | | Identifier = 0 | | | Reserved = 0 | | | DF = 0 | | | MF = 0 | | | FragmentOffset = 0 | | | TTL = 255 | | | Protocol = 1 | | | HeaderChecksum = 14847 calc(14847) | | | SourceAddress = 192.168.0.100 | | | DestinationAddress = 192.168.0.21 | | ICMPv4_EchoRequest (length:32) | | | Type = 8 | | | Code = 0 | | | Checksum = 50238 calc(50238) | | | Identifier = 65535 | | | SequenceNumber = 1 | | | Payload (length:24) | | | | data = | | | | 4563686f 44617461 4563686f 44617461 4563686f 44617461
Frame_Ether (length:66) | Hdr_Ether (length:14) | | DestinationAddress = 0:0:0:0:1:0 | | SourceAddress = 0:c:29:f:17:34 | | Type = 2048 | Packet_IPv4 (length:52) | | Hdr_IPv4 (length:20) | | | Version = 4 | | | IHL = 5 | | | TypeOfService = 0 | | | TotalLength = 52 | | | Identifier = 22679 | | | Reserved = 0 | | | DF = 0 | | | MF = 0 | | | FragmentOffset = 0 | | | TTL = 64 | | | Protocol = 1 | | | HeaderChecksum = 41064 calc(41064) | | | SourceAddress = 192.168.0.21 | | | DestinationAddress = 192.168.0.100 | | ICMPv4_EchoReply (length:32) | | | Type = 0 | | | Code = 0 | | | Checksum = 52286 calc(52286) | | | Identifier = 65535 | | | SequenceNumber = 1 | | | Payload (length:24) | | | | data = | | | | 4563686f 44617461 4563686f 44617461 4563686f 44617461 ===echo4_reply_on_link0=================================
Frame_Ether (length:82) | Hdr_Ether (length:14) | | DestinationAddress = 0:c:29:f:17:34 | | SourceAddress = 0:0:0:0:1:0 | | Type = 2048 | Packet_IPv4 (length:68) | | Hdr_IPv4 (length:20) | | | Version = 4 | | | IHL = 5 | | | TypeOfService = 0 | | | TotalLength = 68 | | | Identifier = 0 | | | Reserved = 0 | | | DF = 0 | | | MF = 0 | | | FragmentOffset = 0 | | | TTL = 255 | | | Protocol = 132 | | | HeaderChecksum = 14700 calc(14700) | | | SourceAddress = 192.168.0.100 | | | DestinationAddress = 192.168.0.21 | | Upp_SCTP (length:48) | | | Hdr_SCTP (length:12) | | | | SourcePort = 3520 | | | | DestinationPort = 4520 | | | | VerificationTag = 0 | | | | Checksum = 4294967295 calc(1234756518) | | | CHUNK_INIT (length:36) | | | | Type = 1 | | | | Flags = 0 | | | | Length = 36 | | | | InitiateTag = 1 | | | | AdvRecvWindow = 54784 | | | | NumOfOutbound = 100 | | | | NumOfInbound = 65535 | | | | TSN = 100 | | | | ENCCapable (length:4) | | | | | Type = 32768 | | | | | Length = 4 | | | | ForwardTSN (length:4) | | | | | Type = 49152 | | | | | Length = 4 | | | | AdaptationLayerIndication (length:8) | | | | | Type = 49158 | | | | | Length = 8 | | | | | Indication = 0
Frame_Ether (length:82) | Hdr_Ether (length:14) | | DestinationAddress = 0:c:29:f:17:34 | | SourceAddress = 0:0:0:0:1:0 | | Type = 2048 | Packet_IPv4 (length:68) | | Hdr_IPv4 (length:20) | | | Version = 4 | | | IHL = 5 | | | TypeOfService = 0 | | | TotalLength = 68 | | | Identifier = 0 | | | Reserved = 0 | | | DF = 0 | | | MF = 0 | | | FragmentOffset = 0 | | | TTL = 255 | | | Protocol = 132 | | | HeaderChecksum = 14700 calc(14700) | | | SourceAddress = 192.168.0.100 | | | DestinationAddress = 192.168.0.21 | | Upp_SCTP (length:48) | | | Hdr_SCTP (length:12) | | | | SourcePort = 3520 | | | | DestinationPort = 4520 | | | | VerificationTag = 0 | | | | Checksum = 1234756518 calc(1234756518) | | | CHUNK_INIT (length:36) | | | | Type = 1 | | | | Flags = 0 | | | | Length = 36 | | | | InitiateTag = 1 | | | | AdvRecvWindow = 54784 | | | | NumOfOutbound = 100 | | | | NumOfInbound = 65535 | | | | TSN = 100 | | | | ENCCapable (length:4) | | | | | Type = 32768 | | | | | Length = 4 | | | | ForwardTSN (length:4) | | | | | Type = 49152 | | | | | Length = 4 | | | | AdaptationLayerIndication (length:8) | | | | | Type = 49158 | | | | | Length = 8 | | | | | Indication = 0
Frame_Ether (length:314) | Hdr_Ether (length:14) | | DestinationAddress = 0:0:0:0:1:0 | | SourceAddress = 0:c:29:f:17:34 | | Type = 2048 | Packet_IPv4 (length:300) | | Hdr_IPv4 (length:20) | | | Version = 4 | | | IHL = 5 | | | TypeOfService = 2 | | | TotalLength = 300 | | | Identifier = 0 | | | Reserved = 0 | | | DF = 1 | | | MF = 0 | | | FragmentOffset = 0 | | | TTL = 64 | | | Protocol = 132 | | | HeaderChecksum = 46978 calc(46978) | | | SourceAddress = 192.168.0.21 | | | DestinationAddress = 192.168.0.100 | | Upp_SCTP (length:280) | | | Hdr_SCTP (length:12) | | | | SourcePort = 4520 | | | | DestinationPort = 3520 | | | | VerificationTag = 1 | | | | Checksum = 2062382643 calc(2062382643) | | | CHUNK_INIT_ACK (length:268) | | | | Type = 2 | | | | Flags = 0 | | | | Length = 268 | | | | InitiateTag = 2660216781 | | | | AdvRecvWindow = 54784 | | | | NumOfOutbound = 10 | | | | NumOfInbound = 100 | | | | TSN = 3331285045 | | | | StaleCookie (length:232) | | | | | Type = 7 | | | | | Length = 232 | | | | | Cookie = | | | | | c7dd6f13 bcc2d9cc 56174e9d 4462871a 00000000 00000000 00000000 00000000 | | | | | 00000000 cdaf8f9e 01000000 00000000 00000000 13c19549 ed5a0200 0a006400 | | | | | 35608fc6 02000dc0 c0a80064 00000000 00000000 00000000 00000000 00000000 | | | | | a8110100 00000000 80020024 bd89af7b e6b47ecb d30dd3ff 31a0bdf8 1963bc53 | | | | | 38805ccb 46172a1e 68dbec06 00000000 00000000 00000000 00000000 00000000 | | | | | 00000000 00000000 00000000 01000024 00000001 0000d600 0064ffff 00000064 | | | | | 80000004 c0000004 c0060008 00000000 00000000 00000000 00000000 00000000 | | | | | 00000000 | | | | ENCCapable (length:4) | | | | | Type = 32768 | | | | | Length = 4 | | | | ForwardTSN (length:4) | | | | | Type = 49152 | | | | | Length = 4 | | | | AdaptationLayerIndication (length:8) | | | | | Type = 49158 | | | | | Length = 8 | | | | | Indication = 0 ===sctp_chunk_init_ack_rcv=================================
Frame_Ether (length:278) | Hdr_Ether (length:14) | | DestinationAddress = 0:c:29:f:17:34 | | SourceAddress = 0:0:0:0:1:0 | | Type = 2048 | Packet_IPv4 (length:264) | | Hdr_IPv4 (length:20) | | | Version = 4 | | | IHL = 5 | | | TypeOfService = 0 | | | TotalLength = 264 | | | Identifier = 0 | | | Reserved = 0 | | | DF = 0 | | | MF = 0 | | | FragmentOffset = 0 | | | TTL = 255 | | | Protocol = 132 | | | HeaderChecksum = 14504 calc(14504) | | | SourceAddress = 192.168.0.100 | | | DestinationAddress = 192.168.0.21 | | Upp_SCTP (length:244) | | | Hdr_SCTP (length:12) | | | | SourcePort = 3520 | | | | DestinationPort = 4520 | | | | VerificationTag = 2660216781 | | | | Checksum = 2001679137 calc(2001679137) | | | CHUNK_COOKIE_ECHO (length:232) | | | | Type = 10 | | | | Flags = 0 | | | | Length = 232 | | | | Cookie = | | | | c7dd6f13 bcc2d9cc 56174e9d 4462871a 00000000 00000000 00000000 00000000 | | | | 00000000 cdaf8f9e 01000000 00000000 00000000 13c19549 ed5a0200 0a006400 | | | | 35608fc6 02000dc0 c0a80064 00000000 00000000 00000000 00000000 00000000 | | | | a8110100 00000000 80020024 bd89af7b e6b47ecb d30dd3ff 31a0bdf8 1963bc53 | | | | 38805ccb 46172a1e 68dbec06 00000000 00000000 00000000 00000000 00000000 | | | | 00000000 00000000 00000000 01000024 00000001 0000d600 0064ffff 00000064 | | | | 80000004 c0000004 c0060008 00000000 00000000 00000000 00000000 00000000 | | | | 00000000
Frame_Ether (length:60) | Hdr_Ether (length:14) | | DestinationAddress = 0:0:0:0:1:0 | | SourceAddress = 0:c:29:f:17:34 | | Type = 2048 | Packet_IPv4 (length:36) | | Hdr_IPv4 (length:20) | | | Version = 4 | | | IHL = 5 | | | TypeOfService = 2 | | | TotalLength = 36 | | | Identifier = 0 | | | Reserved = 0 | | | DF = 1 | | | MF = 0 | | | FragmentOffset = 0 | | | TTL = 64 | | | Protocol = 132 | | | HeaderChecksum = 47242 calc(47242) | | | SourceAddress = 192.168.0.21 | | | DestinationAddress = 192.168.0.100 | | Upp_SCTP (length:16) | | | Hdr_SCTP (length:12) | | | | SourcePort = 4520 | | | | DestinationPort = 3520 | | | | VerificationTag = 1 | | | | Checksum = 2662278510 calc(2662278510) | | | CHUNK_COOKIE_ACK (length:4) | | | | Type = 11 | | | | Flags = 0 | | | | Length = 4 | [Needless] (length:10) | | data = 00000000 00000000 0000 ===sctp_chunk_cookie_ack_rcv=================================
Frame_Ether (length:1414) | Hdr_Ether (length:14) | | DestinationAddress = 0:c:29:f:17:34 | | SourceAddress = 0:0:0:0:1:0 | | Type = 2048 | Packet_IPv4 (length:1400) | | Hdr_IPv4 (length:20) | | | Version = 4 | | | IHL = 5 | | | TypeOfService = 0 | | | TotalLength = 1400 | | | Identifier = 0 | | | Reserved = 0 | | | DF = 0 | | | MF = 0 | | | FragmentOffset = 0 | | | TTL = 255 | | | Protocol = 132 | | | HeaderChecksum = 13368 calc(13368) | | | SourceAddress = 192.168.0.100 | | | DestinationAddress = 192.168.0.21 | | Upp_SCTP (length:1380) | | | Hdr_SCTP (length:12) | | | | SourcePort = 3520 | | | | DestinationPort = 4520 | | | | VerificationTag = 2660216781 | | | | Checksum = 2590058645 calc(2590058645) | | | CHUNK_DATA (length:1368) | | | | Type = 0 | | | | Reserved = 0 | | | | IFlag = 0 | | | | UFlag = 1 | | | | BFlag = 1 | | | | EFlag = 1 | | | | Length = 1368 | | | | TSN = 100 | | | | Identifier = 0 | | | | SequenceNumber = 0 | | | | Protocol = 0 | | | | Payload (length:1352) | | | | | data = | | | | | 30313233 34353637 38393031 32333435 36373839 30313233 34353637 38393031 | | | | | 32333435 36373839 30313233 34353637 38393031 32333435 36373839 30313233 | | | | | 34353637 38393031 32333435 36373839 30313233 34353637 38393031 32333435 | | | | | 36373839 30313233 34353637 38393031 32333435 36373839 30313233 34353637 | | | | | 38393031 32333435 36373839 30313233 34353637 38393031 32333435 36373839 | | | | | 30313233 34353637 38393031 32333435 36373839 30313233 34353637 38393031 | | | | | 32333435 36373839 30313233 34353637 38393031 32333435 36373839 30313233 | | | | | 34353637 38393031 32333435 36373839 30313233 34353637 38393031 32333435 | | | | | 36373839 30313233 34353637 38393031 32333435 36373839 30313233 34353637 | | | | | 38393031 32333435 36373839 30313233 34353637 38393031 32333435 36373839 | | | | | 30313233 34353637 38393031 32333435 36373839 30313233 34353637 38393031 | | | | | 32333435 36373839 30313233 34353637 38393031 32333435 36373839 30313233 | | | | | 34353637 38393031 32333435 36373839 30313233 34353637 38393031 32333435 | | | | | 36373839 30313233 34353637 38393031 32333435 36373839 30313233 34353637 | | | | | 38393031 32333435 36373839 30313233 34353637 38393031 32333435 36373839 | | | | | 30313233 34353637 38393031 32333435 36373839 30313233 34353637 38393031 | | | | | 32333435 36373839 30313233 34353637 38393031 32333435 36373839 30313233 | | | | | 34353637 38393031 32333435 36373839 30313233 34353637 38393031 32333435 | | | | | 36373839 30313233 34353637 38393031 32333435 36373839 30313233 34353637 | | | | | 38393031 32333435 36373839 30313233 34353637 38393031 32333435 36373839 | | | | | 30313233 34353637 38393031 32333435 36373839 30313233 34353637 38393031 | | | | | 32333435 36373839 30313233 34353637 38393031 32333435 36373839 30313233 | | | | | 34353637 38393031 32333435 36373839 30313233 34353637 38393031 32333435 | | | | | 36373839 30313233 34353637 38393031 32333435 36373839 30313233 34353637 | | | | | 38393031 32333435 36373839 30313233 34353637 38393031 32333435 36373839 | | | | | 30313233 34353637 38393031 32333435 36373839 30313233 34353637 38393031 | | | | | 32333435 36373839 30313233 34353637 38393031 32333435 36373839 30313233 | | | | | 34353637 38393031 32333435 36373839 30313233 34353637 38393031 32333435 | | | | | 36373839 30313233 34353637 38393031 32333435 36373839 30313233 34353637 | | | | | 38393031 32333435 36373839 30313233 34353637 38393031 32333435 36373839 | | | | | 30313233 34353637 38393031 32333435 36373839 30313233 34353637 38393031 | | | | | 32333435 36373839 30313233 34353637 38393031 32333435 36373839 30313233 | | | | | 34353637 38393031 32333435 36373839 30313233 34353637 38393031 32333435 | | | | | 36373839 30313233 34353637 38393031 32333435 36373839 30313233 34353637 | | | | | 38393031 32333435 36373839 30313233 34353637 38393031 32333435 36373839 | | | | | 30313233 34353637 38393031 32333435 36373839 30313233 34353637 38393031 | | | | | 32333435 36373839 30313233 34353637 38393031 32333435 36373839 30313233 | | | | | 34353637 38393031 32333435 36373839 30313233 34353637 38393031 32333435 | | | | | 36373839 30313233 34353637 38393031 32333435 36373839 30313233 34353637 | | | | | 38393031 32333435 36373839 30313233 34353637 38393031 32333435 36373839 | | | | | 30313233 34353637 38393031 32333435 36373839 30313233 34353637 38393031 | | | | | 32333435 36373839 30313233 34353637 38393031 32333435 36373839 30313233 | | | | | 34353637 38393000
Frame_Ether (length:62) | Hdr_Ether (length:14) | | DestinationAddress = 0:0:0:0:1:0 | | SourceAddress = 0:c:29:f:17:34 | | Type = 2048 | Packet_IPv4 (length:48) | | Hdr_IPv4 (length:20) | | | Version = 4 | | | IHL = 5 | | | TypeOfService = 2 | | | TotalLength = 48 | | | Identifier = 29291 | | | Reserved = 0 | | | DF = 1 | | | MF = 0 | | | FragmentOffset = 0 | | | TTL = 64 | | | Protocol = 132 | | | HeaderChecksum = 17939 calc(17939) | | | SourceAddress = 192.168.0.21 | | | DestinationAddress = 192.168.0.100 | | Upp_SCTP (length:28) | | | Hdr_SCTP (length:12) | | | | SourcePort = 4520 | | | | DestinationPort = 3520 | | | | VerificationTag = 1 | | | | Checksum = 1077856719 calc(1077856719) | | | CHUNK_SACK (length:16) | | | | Type = 3 | | | | Flags = 0 | | | | Length = 16 | | | | ACK = 100 | | | | AdvRecvWindow = 53432 | | | | NumOfGapAck = 0 | | | | NumOfDupTSN = 0 ===sctp_chunk_sack_rcv=================================
Frame_Ether (length:54) | Hdr_Ether (length:14) | | DestinationAddress = 0:c:29:f:17:34 | | SourceAddress = 0:0:0:0:1:0 | | Type = 2048 | Packet_IPv4 (length:40) | | Hdr_IPv4 (length:20) | | | Version = 4 | | | IHL = 5 | | | TypeOfService = 0 | | | TotalLength = 40 | | | Identifier = 0 | | | Reserved = 0 | | | DF = 0 | | | MF = 0 | | | FragmentOffset = 0 | | | TTL = 255 | | | Protocol = 132 | | | HeaderChecksum = 14728 calc(14728) | | | SourceAddress = 192.168.0.100 | | | DestinationAddress = 192.168.0.21 | | Upp_SCTP (length:20) | | | Hdr_SCTP (length:12) | | | | SourcePort = 3520 | | | | DestinationPort = 4520 | | | | VerificationTag = 2660216781 | | | | Checksum = 3587730893 calc(3587730893) | | | CHUNK_SHUTDOWN (length:8) | | | | Type = 7 | | | | Flags = 0 | | | | Length = 8 | | | | TSN = 3331285044
Frame_Ether (length:60) | Hdr_Ether (length:14) | | DestinationAddress = 0:0:0:0:1:0 | | SourceAddress = 0:c:29:f:17:34 | | Type = 2048 | Packet_IPv4 (length:36) | | Hdr_IPv4 (length:20) | | | Version = 4 | | | IHL = 5 | | | TypeOfService = 2 | | | TotalLength = 36 | | | Identifier = 29292 | | | Reserved = 0 | | | DF = 1 | | | MF = 0 | | | FragmentOffset = 0 | | | TTL = 64 | | | Protocol = 132 | | | HeaderChecksum = 17950 calc(17950) | | | SourceAddress = 192.168.0.21 | | | DestinationAddress = 192.168.0.100 | | Upp_SCTP (length:16) | | | Hdr_SCTP (length:12) | | | | SourcePort = 4520 | | | | DestinationPort = 3520 | | | | VerificationTag = 1 | | | | Checksum = 2804287244 calc(2804287244) | | | CHUNK_SHUTDOWN_ACK (length:4) | | | | Type = 8 | | | | Flags = 0 | | | | Length = 4 | [Needless] (length:10) | | data = 00000000 00000000 0000 ===sctp_chunk_shutdown_ack_rcv=================================
Frame_Ether (length:50) | Hdr_Ether (length:14) | | DestinationAddress = 0:c:29:f:17:34 | | SourceAddress = 0:0:0:0:1:0 | | Type = 2048 | Packet_IPv4 (length:36) | | Hdr_IPv4 (length:20) | | | Version = 4 | | | IHL = 5 | | | TypeOfService = 0 | | | TotalLength = 36 | | | Identifier = 0 | | | Reserved = 0 | | | DF = 0 | | | MF = 0 | | | FragmentOffset = 0 | | | TTL = 255 | | | Protocol = 132 | | | HeaderChecksum = 14732 calc(14732) | | | SourceAddress = 192.168.0.100 | | | DestinationAddress = 192.168.0.21 | | Upp_SCTP (length:16) | | | Hdr_SCTP (length:12) | | | | SourcePort = 3520 | | | | DestinationPort = 4520 | | | | VerificationTag = 2660216781 | | | | Checksum = 360187080 calc(360187080) | | | CHUNK_SHUTDOWN_COMPLETE (length:4) | | | | Type = 14 | | | | Reserved = 0 | | | | TFlag = 0 | | | | Length = 4