Test Information

TitleAssociation PMTU is the smallest Path MTU of all destination addresses if its peer is multi-homed
CommandLine./PMTU_UseSmallest.seq -pkt ./PMTU_UseSmallest.def -log 11.html -ti Association PMTU is the smallest Path MTU of all destination addresses if its peer is multi-homed
TestVersionREL_1_0_0
ToolVersionREL_3_1_0
Start2009/02/13 13:23:00
Tn.//../etc//tn.def
Nu.//../etc//nut.def
Pkt./PMTU_UseSmallest.def
Systemlinux-v6
TargetNameRHEL5GA
HostNameFNST
TypeIPv4

Test Sequence Execution Log

13:23:01Start
13:23:01Start Capturing Packets (Link0)
13:23:01Start Capturing Packets (Link1)

=============== sctpCheckEnv ===============
13:23:01 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.


Red Hat Enterprise Linux Server release 5.2 (Tikanga)
Kernel 2.6.29-rc4 on an i686

RHEL login: root
Password: 
Last login: Fri Feb 13 13:34:57 on ttyS0
[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 ==============
13:23:11 vSend(Link0,echo4_request_on_link0)
Send Echo Request on Link0
13:23:12 vRecv(Link0,echo4_reply_on_link0 arp_request_on_link0) timeout:5 cntLimit:0 seektime:0
Recv ARP Request on Link0
13:23:12 vSend(Link0,arp_reply_on_link0)
Send ARP Reply on Link0
13:23:12 vRecv(Link0,echo4_reply_on_link0) timeout:5 cntLimit:0 seektime:0
Recv Echo Reply on Link0

============== sctpPingToHost ==============
13:23:12 vSend(Link1,echo4_request_on_link1)
Send Echo Request on Link1
13:23:12 vRecv(Link1,echo4_reply_on_link1 arp_request_on_link1) timeout:5 cntLimit:0 seektime:0
Recv ARP Request on Link1
13:23:12 vSend(Link1,arp_reply_on_link1)
Send ARP Reply on Link1
13:23:12 vRecv(Link1,echo4_reply_on_link1) timeout:5 cntLimit:0 seektime:0
Recv Echo Reply on Link1

======= Check PMTU is set correctly =======
13:23:12 vSend(Link1,icmp_pkt_too_big1)
Send ICMPv4 Fragmentation Needed messages (Link1 to Link1)
13:23:12 vSend(Link1,icmp_pkt_too_big2)
Send ICMPv4 Fragmentation Needed messages (Link1 to Link0)
13:23:13 vSend(Link1,echo_request)
Send Echo Request (Link1 to Link0)
13:23:13 vRecv(Link1,echo_reply_1st echo_reply_2nd echo_reply arp_request_on_link1 arp_request_link0_to_link1 ns_on_link0_to_link1) timeout:10 cntLimit:0 seektime:0
Recv Echo Reply (Link0 to Link1)
13:23:13 Wait 10 second
13:23:23 vSend(Link1,icmp_pkt_too_big1)
Send ICMPv4 Fragmentation Needed messages (Link1 to Link1)
13:23:23 vSend(Link1,icmp_pkt_too_big2)
Send ICMPv4 Fragmentation Needed messages (Link1 to Link0)
13:23:23 vSend(Link1,echo_request)
Send Echo Request (Link1 to Link0)
13:23:23 vRecv(Link1,echo_reply_1st echo_reply_2nd echo_reply arp_request_on_link1 arp_request_link0_to_link1 ns_on_link0_to_link1) timeout:10 cntLimit:0 seektime:0
Recv Echo Reply (1st fragment)
13:23:23 vRecv(Link1,echo_reply_2nd arp_request_on_link1 arp_request_link0_to_link1 ns_on_link0_to_link1) timeout:10 cntLimit:0 seektime:0
Recv Echo Reply (2nd fragment)

============== sctpStartClient =============
13:23:23 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_test -H 192.168.0.21 -P 4494 -h 192.168.0.100 -p 3494 -T -s -c -1452 -X 1 -x 1 -o 1 > /tmp/tstcmd.log 2>&1 &" ''
Connected.

[root@RHEL ~]# 
[root@RHEL ~]# sleep 5 && sctp_test -H 192.168.0.21 -P 4494 -h 192.168.0.100 -p  3494 -T -s -c -1452 -X 1 -x 1 -o 1 ~.
Disconnected.

================= vListen ==================
13:23:27 vRecv(Link0,sctp_chunk_init_rcv arp_request_on_link0 arp_request_link0_to_link1 ns_on_link0_to_link1) timeout:10 cntLimit:0 seektime:0
Recv SCTP CHUNK_INIT
13:23:30 vSend(Link0,sctp_chunk_init_ack_snd)
Send SCTP CHUNK_INIT_ACK

================= vAccept ==================
13:23:30 vRecv(Link0,sctp_chunk_cookie_echo_rcv arp_request_on_link0 arp_request_link0_to_link1 ns_on_link0_to_link1) timeout:10 cntLimit:0 seektime:0
Recv SCTP CHUNK_COOKIE_ECHO
13:23:30 vSend(Link0,sctp_chunk_cookie_ack_snd)
Send SCTP CHUNK_COOKIE_ACK

================ Main Test =================
13:23:30 vRecv(Link0,sctp_chunk_data_seg1 sctp_chunk_data_big arp_request_on_link0 arp_request_link0_to_link1 ns_on_link0_to_link1) timeout:30 cntLimit:0 seektime:0
Recv SCTP CHUNK_DATA (Not fragmented)

The sender does not used the smallest PMTU discovered for all of the peer's destination addresses
13:23:30 vSend(Link0,sctp_chunk_abort_snd)
Send SCTP CHUNK_ABORT

NG
== Need Reboot Remote System to restore Test Environment ==
Target: Reboot
13:23:31 vRemote(reboot.rmt) ``/usr/local/v6eval//bin/linux-v6//reboot.rmt -t linux-v6 -u root -p goodluck -d ttyS0 -o 1 ''
Connected.

[1]+  Done                    sleep 5 && sctp_test -H 192.168.0.21 -P 4494 -h 192.168.0.100 -p 3494 -T -s -c -1452 -X 1 -x 1 -o 1 > /tmp/tstcmd.log 2>&1
[root@RHEL ~]# 
[root@RHEL ~]# reboot


Broadcast message from root (ttyS0) (Fri Feb 13 13:38:41 2009):

The system is going down for reboot NOW!
[root@RHEL ~]# 
[root@RHEL ~]# c
Red Hat Enterprise Linux Server release 5.2 (Tikanga)
Kernel 2.6.29-rc4 on an i686

RHEL login: ~.~.
~.

Disconnected.
13:25:56End

Packet Reverse Log