Test Information

TitleHandling ICMP Fragmentation
CommandLine./ICMP_PacketTooBig.seq -pkt ./ICMP_PacketTooBig.def -log 6.html -ti Handling ICMP Fragmentation Needed or Packet Too Big message
TestVersionREL_1_0_0
ToolVersionREL_3_1_0
Start2009/02/13 13:11:14
Tn.//../etc//tn.def
Nu.//../etc//nut.def
Pkt./ICMP_PacketTooBig.def
Systemlinux-v6
TargetNameRHEL5GA
HostNameFNST
TypeIPv4

Test Sequence Execution Log

13:11:15Start
13:11:15Start Capturing Packets (Link0)

=============== sctpCheckEnv ===============
13:11:15 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                  sleep 5 && sctp_test -H 192.168.0.21 -P 4488 -h 192.168.0.100 -p 3488 -T -s -c -1352 -X 1 -x 1 -o 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
[root@~.
Disconnected.

============== sctpPingToHost ==============
13:11:24 vSend(Link0,echo4_request_on_link0)
Send Echo Request on Link0
13:11:24 vRecv(Link0,echo4_reply_on_link0 arp_request_on_link0) timeout:5 cntLimit:0 seektime:0
Recv Echo Reply on Link0

============== sctpStartClient =============
13:11:24 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 4489 -h 192.168.0.100 -p 3489 -T -s -c -1452 -X 1 -x 2 -o 1 -D > /tmp/tstcmd.log 2>&1 &" ''
Connected.

[root@RHEL ~]# 
[root@RHEL ~]# sleep 5 && sctp_test -H 192.168.0.21 -P 4489 ~.
Disconnected.

================= vListen ==================
13:11:29 vRecv(Link0,sctp_chunk_init_rcv arp_request_on_link0 ) timeout:10 cntLimit:0 seektime:0
Recv ARP Request on Link0
13:11:29 vSend(Link0,arp_reply_on_link0)
Send ARP Reply on Link0
13:11:29 vRecv(Link0,sctp_chunk_init_rcv arp_request_on_link0 ) timeout:10 cntLimit:0 seektime:0
Recv SCTP CHUNK_INIT
13:11:31 vSend(Link0,sctp_chunk_init_ack_snd)
Send SCTP CHUNK_INIT_ACK

================= vAccept ==================
13:11:31 vRecv(Link0,sctp_chunk_cookie_echo_rcv arp_request_on_link0 ) timeout:10 cntLimit:0 seektime:0
Recv SCTP CHUNK_COOKIE_ECHO
13:11:31 vSend(Link0,sctp_chunk_cookie_ack_snd)
Send SCTP CHUNK_COOKIE_ACK

================ Main Test =================
13:11:31 vRecv(Link0,sctp_chunk_data_big arp_request_on_link0 ) timeout:30 cntLimit:0 seektime:0
Recv SCTP CHUNK_DATA
13:11:31 vSend(Link0,icmp_pkt_too_big)
Send ICMP Packet Too Big messages

== DATA chunk will be fragmented by IP layer ==
13:11:31 vRecv(Link0,sctp_chunk_data_frag_1st sctp_chunk_data_frag_2nd arp_request_on_link0 ) timeout:30 cntLimit:0 seektime:0
Recv SCTP CHUNK_DATA (1st fragment)
13:11:31 vRecv(Link0,sctp_chunk_data_frag_2nd arp_request_on_link0 ) timeout:30 cntLimit:0 seektime:0
Recv SCTP CHUNK_DATA (2nd fragment)
13:11:32 vSend(Link0,sctp_chunk_sack_snd)
Send SCTP CHUNK_SACK

================= vSendMsg =================
13:11:32 vSend(Link0,sctp_chunk_data_snd)
Send SCTP CHUNK_DATA
13:11:32 vRecv(Link0,sctp_chunk_sack_rcv arp_request_on_link0 ) timeout:10 cntLimit:0 seektime:0
Recv SCTP CHUNK_SACK

== Check whether this PMTU is used to transmission new DATA ==

================= vRecvMsg =================
13:11:32 vRecv(Link0,sctp_chunk_data_seg1 arp_request_on_link0 ) timeout:10 cntLimit:0 seektime:0
recv unexpect packet at 13:11:32
Recv SCTP CHUNK_DATA (1st segment)
13:11:32 vSend(Link0,sctp_chunk_sack_snd)
Send SCTP CHUNK_SACK

================= vRecvMsg =================
13:11:32 vRecv(Link0,sctp_chunk_data_seg2 arp_request_on_link0 ) timeout:10 cntLimit:0 seektime:0
Recv SCTP CHUNK_DATA (2st segment)
13:11:32 vSend(Link0,sctp_chunk_sack_snd)
Send SCTP CHUNK_SACK
13:11:33 vSend(Link0,sctp_chunk_data_snd)
Send SCTP CHUNK_DATA

================ vShutdown =================
13:11:33 vRecv(Link0,sctp_chunk_shutdown_rcv sctp_chunk_sack_rcv arp_request_on_link0 ) timeout:10 cntLimit:0 seektime:0
Recv SCTP CHUNK_SHUTDOWN
13:11:33 vRecv(Link0,sctp_chunk_sack_rcv arp_request_on_link0 ) timeout:10 cntLimit:0 seektime:0
Recv SCTP CHUNK_SACK
13:11:33 vSend(Link0,sctp_chunk_shutdown_ack_snd)
Send SCTP CHUNK_SHUTDOWN_ACK
13:11:33 vRecv(Link0,sctp_chunk_shutdown_complete_rcv arp_request_on_link0 ) timeout:10 cntLimit:0 seektime:0
Recv SCTP CHUNK_SHUTDOWN_COMPLETE

OK
== Need Reboot Remote System to restore Test Environment ==
Target: Reboot
13:11:33 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 4489 -h 192.168.0.100 -p 3489 -T -s -c -1452 -X 1 -x 2 -o 1 -D > /tmp/tstcmd.log 2>&1
[root@RHEL ~]# 
[root@RHEL ~]# reboot

Broadcast message from root (ttyS0) (Fri Feb 13 13:26:17 2009):

The system is going down for reboot NOW!
c
Red Hat Enterprise Linux Server release 5.2 (Tikanga)
Kernel 2.6.29-rc4 on an i686

RHEL login: ~.~.
~.

Disconnected.
13:14:00End

Packet Reverse Log