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
Start2009/02/12 18:02:33
Tn.//../etc//tn.def
Nu.//../etc//nut.def
Pkt./InitCwndAfterRetran.def
Systemlinux-v6
TargetNameRHEL5GA
HostNameFNST
TypeIPv6

Test Sequence Execution Log

18:02:33Start
18:02:33Start Capturing Packets (Link0)

 =============== sctpCheckEnv ===============
18:02:33 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@RH~.
Disconnected.

============= sctpPing6ToHost ==============
18:02:42 vSend(Link0,echo_request_on_link0)
Send Echo Request on Link0
18:02:42 vRecv(Link0,echo_reply_on_link0 ns_on_link0 ns_on_link0_gl) timeout:5 cntLimit:0 seektime:0
Recv Echo Reply on Link0

============= sctpStatusClient =============
18:02:43 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 3ffe:501:ffff:100:020c:29ff:fe0f:1734 -P 4170 -h 3ffe:501:ffff:100:0200:00ff:fe00:0100 -p 3170 -s -X 1 -x 1 -c 1352 -f /tmp/sctpstatus > /tmp/tstcmd.log 2>&1 &" '' 
Connected.

[root@RHEL ~]# 
[root@RHEL ~]# sleep 5 && sctp_status -H 3ffe:501:ffff:100:020c:29ff:fe0f:1734 - P 4170 -h 3ffe:501:ffff:100:0200:00ff:fe00:01~.
Disconnected.

================= vListen ==================
18:02:46 vRecv(Link0,sctp_chunk_init_rcv ns_on_link0 ns_on_link0_gl) timeout:10 cntLimit:0 seektime:0
Recv SCTP CHUNK_INIT
18:02:49 vSend(Link0,sctp_chunk_init_ack_snd)
Send SCTP CHUNK_INIT_ACK

================= vAccept ==================
18:02:49 vRecv(Link0,sctp_chunk_cookie_echo_rcv ns_on_link0 ns_on_link0_gl) timeout:10 cntLimit:0 seektime:0
Recv SCTP CHUNK_COOKIE_ECHO
18:02:49 vSend(Link0,sctp_chunk_cookie_ack_snd)
Send SCTP CHUNK_COOKIE_ACK

Now the cwnd is 4380
18:02:49 vRecv(Link0,sctp_chunk_data_rcv ns_on_link0 ns_on_link0_gl) timeout:30 cntLimit:0 seektime:0
Recv SCTP CHUNK_DATA

================ Main Test =================
18:02:49 vRecv(Link0,sctp_chunk_data_rcv ns_on_link0 ns_on_link0_gl) timeout:30 cntLimit:0 seektime:0
Recv SCTP CHUNK_DATA
18:02:52 vSend(Link0,sctp_chunk_sack_snd)
Send SCTP CHUNK_SACK

Now the cwnd is 1500

 ================== vClose ==================
18:02:52 vSend(Link0,sctp_chunk_shutdown_snd)
Send SCTP CHUNK_SHUTDOWN
18:02:52 vRecv(Link0,sctp_chunk_shutdown_ack_rcv ns_on_link0 ns_on_link0_gl) timeout:10 cntLimit:0 seektime:0
Recv SCTP CHUNK_SHUTDOWN_ACK
18:02:52 vSend(Link0,sctp_chunk_shutdown_complete_snd)
Send SCTP CHUNK_SHUTDOWN_COMPLETE

============ sctpGetRemoteStatus ===========
18:02:52 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 3ffe:501:ffff:100:020c:29ff:fe0f:1734 -P 4170 -h 3ffe:501:ffff:100:0200:00ff:fe00:0100 -p 3170 -s -X 1 -x 1 -c 1352 -f /tmp/sctpstatus > /tmp/tstcmd.log 2>&1
[root@RHEL ~]# 
[root@RHEL ~]# ~s
cu: echocheck: unknown variable (~v lists variables)

[root@RHEL ~]# 
[root@RHEL ~]# ~t
[file transfer complete]
[connected]
oot@RHEL ~]# 
[root@RHEL ~]# 
[root@RHE~.
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       1432       ACTIVE       4380        0           3000       1500
2   1        ESTABLISHED       53260    1         0        100     10       1432       ACTIVE       1500        0           6000       1500
OK
18:03:02End

Packet Reverse Log