Test Information

TitleVerify that cwnd is update correctly after a fast retransmit
CommandLine./InitCwndUnderFastRetran.seq -pkt ./InitCwndUnderFastRetran.def -log 11.html -ti Verify that cwnd is update correctly after a fast retransmit
TestVersionREL_1_0_0
ToolVersionREL_3_1_0
Start2009/02/13 14:34:31
Tn.//../etc//tn.def
Nu.//../etc//nut.def
Pkt./InitCwndUnderFastRetran.def
Systemlinux-v6
TargetNameRHEL5GA
HostNameFNST
TypeIPv4

Test Sequence Execution Log

14:34:32Start
14:34:32Start Capturing Packets (Link0)

=============== sctpCheckEnv ===============
14:34:32 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~.
Disconnected.

============== sctpPingToHost ==============
14:34:42 vSend(Link0,echo4_request_on_link0)
Send Echo Request on Link0
14:34:42 vRecv(Link0,echo4_reply_on_link0 arp_request_on_link0) timeout:5 cntLimit:0 seektime:0
Recv Echo Reply on Link0

============= sctpStatusClient =============
14:34:42 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 4588 -h 192.168.0.100 -p 3588 -s -x 6 -c 1024 -X 1 -f /tmp/sctpstatus > /tmp/tstcmd.log 2>&1 &" ''
Connected.

[root@RHEL ~]# 
[root@RHEL ~]# ~.
Disconnected.

================= vListen ==================
14:34:46 vRecv(Link0,sctp_chunk_init_rcv arp_request_on_link0 ) timeout:10 cntLimit:0 seektime:0
Recv ARP Request on Link0
14:34:49 vSend(Link0,arp_reply_on_link0)
Send ARP Reply on Link0
14:34:49 vRecv(Link0,sctp_chunk_init_rcv arp_request_on_link0 ) timeout:10 cntLimit:0 seektime:0
Recv SCTP CHUNK_INIT
14:34:50 vSend(Link0,sctp_chunk_init_ack_snd)
Send SCTP CHUNK_INIT_ACK

================= vAccept ==================
14:34:50 vRecv(Link0,sctp_chunk_cookie_echo_rcv arp_request_on_link0 ) timeout:10 cntLimit:0 seektime:0
Recv SCTP CHUNK_COOKIE_ECHO
14:34:50 vSend(Link0,sctp_chunk_cookie_ack_snd)
Send SCTP CHUNK_COOKIE_ACK

================ Main Test =================
14:34:50 vRecv(Link0,sctp_chunk_data_1 arp_request_on_link0 ) timeout:30 cntLimit:0 seektime:0
Recv SCTP CHUNK_DATA (1)
14:34:51 vRecv(Link0,sctp_chunk_data_2 arp_request_on_link0 ) timeout:30 cntLimit:0 seektime:0
Recv SCTP CHUNK_DATA (2)
14:34:51 vRecv(Link0,sctp_chunk_data_3 arp_request_on_link0 ) timeout:30 cntLimit:0 seektime:0
Recv SCTP CHUNK_DATA (3)
14:34:51 vRecv(Link0,sctp_chunk_data_4 arp_request_on_link0 ) timeout:30 cntLimit:0 seektime:0
Recv SCTP CHUNK_DATA (4)
14:34:51 vRecv(Link0,sctp_chunk_data_5 arp_request_on_link0 ) timeout:30 cntLimit:0 seektime:0
Recv SCTP CHUNK_DATA (5)
14:34:51 vSend(Link0,sctp_chunk_sack_1)
Send SCTP CHUNK_SACK (1 and 2)

Now the cwnd is 5880
14:34:51 vSend(Link0,sctp_chunk_sack_2)
Send SCTP CHUNK_SACK (1 and 3)
14:34:52 vSend(Link0,sctp_chunk_sack_3)
Send SCTP CHUNK_SACK (1, 3 and 4)
14:34:52 vSend(Link0,sctp_chunk_sack_4)
Send SCTP CHUNK_SACK (1, 3 to 5)
14:34:52 vRecv(Link0,sctp_chunk_data_2 arp_request_on_link0 ) timeout:30 cntLimit:0 seektime:0
Recv SCTP CHUNK_DATA (2)

Now the cwnd is 6000
14:34:52 vSend(Link0,sctp_chunk_sack_snd)
Send SCTP CHUNK_SACK
14:34:52 vRecv(Link0,sctp_chunk_data_6 arp_request_on_link0 ) timeout:30 cntLimit:0 seektime:0
Recv SCTP CHUNK_DATA (6)
14:34:53 vSend(Link0,sctp_chunk_sack_snd)
Send SCTP CHUNK_SACK

================== vClose ==================
14:34:53 vSend(Link0,sctp_chunk_shutdown_snd)
Send SCTP CHUNK_SHUTDOWN
14:34:53 vRecv(Link0,sctp_chunk_shutdown_ack_rcv arp_request_on_link0 ) timeout:10 cntLimit:0 seektime:0
Recv SCTP CHUNK_SHUTDOWN_ACK
14:34:53 vSend(Link0,sctp_chunk_shutdown_complete_snd)
Send SCTP CHUNK_SHUTDOWN_COMPLETE

============ sctpGetRemoteStatus ===========
14:34:53 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 4588 -h 192.168.0.100 -p 3588 -s -x 6 -c 1024 -X 1 -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]
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       51712    3         0        100     10       1452       ACTIVE       5880        614         1842       1500
3   1        ESTABLISHED       53588    1         0        100     10       1452       ACTIVE       6000        614         1842       1500
OK
14:35:02End

Packet Reverse Log