Test Information

TitleThe initial cwnd after a retransmission timeout MUST be no more than 1*MTU
CommandLine./InitCwndAfterRetran.seq -pkt ./InitCwndAfterRetran.def -log 2.html -ti The initial cwnd after a retransmission timeout MUST be no more than 1*MTU
TestVersionREL_1_0_0
ToolVersionREL_3_1_0
Start2009/02/13 14:26:59
Tn.//../etc//tn.def
Nu.//../etc//nut.def
Pkt./InitCwndAfterRetran.def
Systemlinux-v6
TargetNameRHEL5GA
HostNameFNST
TypeIPv4

Test Sequence Execution Log

14:27:00Start
14:27:00Start Capturing Packets (Link0)

=============== sctpCheckEnv ===============
14:27:00 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.

[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
[root@~.~.
~.

Disconnected.

============== sctpPingToHost ==============
14:27:09 vSend(Link0,echo4_request_on_link0)
Send Echo Request on Link0
14:27:09 vRecv(Link0,echo4_reply_on_link0 arp_request_on_link0) timeout:5 cntLimit:0 seektime:0
Recv ARP Request on Link0
14:27:09 vSend(Link0,arp_reply_on_link0)
Send ARP Reply on Link0
14:27:09 vRecv(Link0,echo4_reply_on_link0) timeout:5 cntLimit:0 seektime:0
Recv Echo Reply on Link0

============= sctpStatusClient =============
14:27:09 vRemote(rcommandasync.rmt) ``/usr/local/v6eval//bin/linux-v6//rcommandasync.rmt -t linux-v6 -u root -p goodluck -d ttyS0 -o 1 cmd="sleep 5 && sctp_status -H 192.168.0.21 -P 4579 -h 192.168.0.100 -p 3579 -s -X 1 -x 1 -c 1352 -f /tmp/sctpstatus > /tmp/tstcmd.log 2>&1 &" ''
Connected.

[root@RHEL ~]# 
[root@RHEL ~]# sleep 5 &&~.
Disconnected.

================= vListen ==================
14:27:13 vRecv(Link0,sctp_chunk_init_rcv arp_request_on_link0 ) timeout:10 cntLimit:0 seektime:0
Recv SCTP CHUNK_INIT
14:27:16 vSend(Link0,sctp_chunk_init_ack_snd)
Send SCTP CHUNK_INIT_ACK

================= vAccept ==================
14:27:16 vRecv(Link0,sctp_chunk_cookie_echo_rcv arp_request_on_link0 ) timeout:10 cntLimit:0 seektime:0
Recv SCTP CHUNK_COOKIE_ECHO
14:27:16 vSend(Link0,sctp_chunk_cookie_ack_snd)
Send SCTP CHUNK_COOKIE_ACK

Now the cwnd is 4380
14:27:16 vRecv(Link0,sctp_chunk_data_rcv arp_request_on_link0 ) timeout:30 cntLimit:0 seektime:0
Recv SCTP CHUNK_DATA

================ Main Test =================
14:27:16 vRecv(Link0,sctp_chunk_data_rcv arp_request_on_link0 ) timeout:30 cntLimit:0 seektime:0
Recv SCTP CHUNK_DATA
14:27:19 vSend(Link0,sctp_chunk_sack_snd)
Send SCTP CHUNK_SACK

Now the cwnd is 1500

================== vClose ==================
14:27:19 vSend(Link0,sctp_chunk_shutdown_snd)
Send SCTP CHUNK_SHUTDOWN
14:27:19 vRecv(Link0,sctp_chunk_shutdown_ack_rcv arp_request_on_link0 ) timeout:10 cntLimit:0 seektime:0
Recv SCTP CHUNK_SHUTDOWN_ACK
14:27:19 vSend(Link0,sctp_chunk_shutdown_complete_snd)
Send SCTP CHUNK_SHUTDOWN_COMPLETE

============ sctpGetRemoteStatus ===========
14:27:20 vRemote(getfile.rmt) ``/usr/local/v6eval//bin/linux-v6//getfile.rmt -t linux-v6 -u root -p goodluck -d ttyS0 -o 1 from=/tmp/sctpstatus to=.sctpstatus''
Connected.

[1]+  Done                    sleep 5 && sctp_status -H 192.168.0.21 -P 4579 -h 192.168.0.100 -p 3579 -s -X 1 -x 1 -c 1352 -f /tmp/sctpstatus > /tmp/tstcmd.log 2>&1
[root@RHEL ~]# 
[root@RHEL ~]# ~sechocheck

[root@RHEL ~]# 
[root@RHEL ~]# ~t/tmp/sctpstatus .sctpstatus
[file transfer complete]
[connected]
t@RHEL ~]# 
[root@RHEL ~]# ~.~.
~.

Disconnected.

NO. ASSOC-ID STATE             RWND     UNACKDATA PENDDATA INSTRMS OUTSTRMS FRAG-POINT SPINFO-STATE SPINFO-CWDN SPINFO-SRTT SPINFO-RTO SPINFO-MTU
1   1        ESTABLISHED       54784    0         0        100     10       1452       ACTIVE       4380        0           3000       1500
2   1        ESTABLISHED       53260    1         0        100     10       1452       ACTIVE       1500        0           6000       1500
OK
14:27:28End

Packet Reverse Log