Index: [Article Count Order] [Thread]

Date: Tue, 14 Apr 2009 08:32:58 -0500
From: <Jon_Franklin@Dell.com>
Subject: [users:01172] Re: [pmtu-selftest4.0.5] why send a echo request to ffle::1:2
To: <users@tahi.org>
Message-Id: <C7035CAC203CAD42B62C2106F1AB465B010F2578@ausx3mpc103.aus.amer.dell.com>
In-Reply-To: <49E47E51.3040407@redhat.com>
References: <49E47E51.3040407@redhat.com>
X-Mail-Count: 01172

ping6 does not do pmtu discovery automatically.  Try adding the "-M want" option to your ping6 script, then it will fragment the packet when it gets the Packet Too Big error.

--
Jon Franklin
jon_franklin@dell.com
x3-8143

-----Original Message-----
From: wang_jiabo [mailto:jiabwang@redhat.com] 
Sent: Tuesday, April 14, 2009 7:15 AM
To: users@tahi.org
Subject: [users:01171] [pmtu-selftest4.0.5] why send a echo request to ffle::1:2

Hi, all:
 when I test PMTU Test v6LC.4.1.10: Multicast Destination - One Router 
and Test v6LC.4.1.11: Multicast Destination - Two Routers with 
Self_Test_4-0-5, I got failure.
I looked the tcpdump, I found that my ip address send a echo request to 
ffle::1:2, could you tell me why.
or something wrong in test suite.
thanks
jiabo

tcpdump info:
  tcpdump -r 15.html.Link0.dump
reading from file 15.html.Link0.dump, link-type EN10MB (Ethernet)
18:28:25.614346 IP6 fe80::200:ff:fe00:100 > fe80::218:8bff:fe74:2ee7: 
ICMP6, echo request, seq 0, length 16
18:28:25.615118 IP6 fe80::218:8bff:fe74:2ee7 > ff02::1:ff00:100: ICMP6, 
neighbor solicitation, who has fe80::200:ff:fe00:100, length 32
18:28:25.661905 IP6 fe80::200:ff:fe00:100 > fe80::218:8bff:fe74:2ee7: 
ICMP6, neighbor advertisement, tgt is fe80::200:ff:fe00:100, length 32
18:28:25.662058 IP6 fe80::218:8bff:fe74:2ee7 > fe80::200:ff:fe00:100: 
ICMP6, echo reply, seq 0, length 16
18:28:25.709336 IP6 fe80::200:ff:fe00:100 > ff02::1: ICMP6, router 
advertisement, length 64
18:28:26.284843 IP6 :: > ff02::1:ff74:2ee7: ICMP6, neighbor 
solicitation, who has 3ffe:501:ffff:100:218:8bff:fe74:2ee7, length 24
18:28:28.690423 IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, 
Request from 00:18:8b:74:2e:e7 (oui Unknown), length 300
18:28:30.726627 IP6 fe80::218:8bff:fe74:2ee7 > ff02::16: HBH ICMP6, 
multicast listener report v2, 1 group record(s), length 28
18:28:31.309204 IP6 3ffe:501:ffff:100:200:ff:fe00:100 > 
3ffe:501:ffff:100:218:8bff:fe74:2ee7: ICMP6, echo request, seq 0, length 16
18:28:31.309566 IP6 3ffe:501:ffff:100:218:8bff:fe74:2ee7 > 
ff02::1:ff00:100: ICMP6, neighbor solicitation, who has 
3ffe:501:ffff:100:200:ff:fe00:100, length 32
18:28:31.362610 IP6 3ffe:501:ffff:100:200:ff:fe00:100 > 
3ffe:501:ffff:100:218:8bff:fe74:2ee7: ICMP6, neighbor advertisement, tgt 
is 3ffe:501:ffff:100:200:ff:fe00:100, length 32
18:28:31.362730 IP6 3ffe:501:ffff:100:218:8bff:fe74:2ee7 > 
3ffe:501:ffff:100:200:ff:fe00:100: ICMP6, echo reply, seq 0, length 16
18:28:34.353536 IP6 3ffe:501:ffff:100:218:8bff:fe74:2ee7 > ff1e::1:2: 
ICMP6, echo request, seq 1, length 1460
18:28:35.353555 IP6 3ffe:501:ffff:100:218:8bff:fe74:2ee7 > ff1e::1:2: 
ICMP6, echo request, seq 2, length 1460
18:28:36.825435 IP6 3ffe:501:ffff:100:200:ff:fe00:100 > 
3ffe:501:ffff:100:218:8bff:fe74:2ee7: ICMP6, packet too big, mtu 1450, 
length 1240
18:28:37.693196 IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, 
Request from 00:18:8b:74:2e:e7 (oui Unknown), length 300
18:28:42.985598 IP6 3ffe:501:ffff:100:200:ff:fe00:100 > 
3ffe:501:ffff:100:218:8bff:fe74:2ee7: ICMP6, packet too big, mtu 1400, 
length 1240
18:28:49.806434 IP6 3ffe:501:ffff:100:218:8bff:fe74:2ee7 > ff1e::1:2: 
ICMP6, echo request, seq 1, length 1360
18:28:50.805604 IP6 3ffe:501:ffff:100:218:8bff:fe74:2ee7 > ff1e::1:2: 
ICMP6, echo request, seq 2, length 1360
18:28:51.805520 IP6 3ffe:501:ffff:100:218:8bff:fe74:2ee7 > ff1e::1:2: 
ICMP6, echo request, seq 3, length 1360
18:28:52.231199 IP6 3ffe:501:ffff:100:200:ff:fe00:100 > 
3ffe:501:ffff:100:218:8bff:fe74:2ee7: ICMP6, packet too big, mtu 1300, 
length 1240
18:28:55.700828 IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, 
Request from 00:18:8b:74:2e:e7 (oui Unknown), length 300
18:28:58.384314 IP6 3ffe:501:ffff:100:200:ff:fe00:100 > 
3ffe:501:ffff:100:218:8bff:fe74:2ee7: ICMP6, packet too big, mtu 1350, 
length 1240
18:30:03.999993 IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, 
Request from 00:18:8b:74:2e:e7 (oui Unknown), length 300
18:30:04.723643 IP6 :: > ff02::16: HBH ICMP6, multicast listener report 
v2, 1 group record(s), length 28
18:30:04.861743 IP6 fe80::218:8bff:fe74:2ee7 > ff02::2: ICMP6, router 
solicitation, length 16



log info:
Recv multicast Echo Request (Packet size is 1500) 
<http://10.66.71.64/Self_Test_4-0-5/pmtu.p2/15.html#vRecvPKT7>

	OK
18:28:36 	vSend(Link0,PktTooBig)
Send Packet Too Big message 
<http://10.66.71.64/Self_Test_4-0-5/pmtu.p2/15.html#vSendPKT5>

	NUT send 2nd Echo Request to Multicast Destination
18:28:36 	Clear Captured Packets (Link0)
18:28:36 	vRemote(ping6.rmt) ``/usr/local/v6eval//bin/rhel51//ping6.rmt 
-t rhel51 -u root -p redhat -d cuad0 -o 1 size=1452 addr=FF1E::1:2 
if=eth0 ''

Connected
prompt_user: ``login: '', prompt_password: ``Password: '', prompt_command: ``(\$|#) ''
rLogin: Wait for login prompt (0.2 sec)...
rLogin: Never got prompt; try again
rLogin: Wait for login prompt (50 sec)...

[root@host-test ~]# rLogin: Got command prompt
rLogin: Got command prompt
_rCommand: Try to get command prompt (0.2 sec.)
_rCommand: (\$|#) 
_rCommand: command prompt...
_rCommand: Try to get command prompt (15 sec.)
_rCommand: (\$|#) 

[root@host-test ~]# _rCommand: Do ``ping6 -n -c 1 -i 1 -s 1452 -p 00 -w 2 -I eth0 FF1E::1:2'' command
ping6 -n -c 1 -i 1 -s 1452 -p 00 -w 2 -I eth0 FF1E::1:2
rCommand: Try to get command prompt (0.2 sec)
PATTERN: 0x00
PING FF1E::1:2(ff1e::1:2) from 3ffe:501:ffff:100:218:8bff:fe74:2ee7 eth0: 1452 data bytes
From 3ffe:501:ffff:100:218:8bff:fe74:2ee7 icmp_seq=1 Packet too big: mtu=1450

--- FF1E::1:2 ping statistics ---
0 packets transmitted, 0 received, +1 errors

[root@host-test ~]# rCommand: CmdOutput=``
PATTERN: 0x00
PING FF1E::1:2(ff1e::1:2) from 3ffe:501:ffff:100:218:8bff:fe74:2ee7 eth0: 1452 data bytes
From 3ffe:501:ffff:100:218:8bff:fe74:2ee7 icmp_seq=1 Packet too big: mtu=1450

--- FF1E::1:2 ping statistics ---
0 packets transmitted, 0 received, +1 errors

[root@host-test ~]''
echo $?
1
[roorCommand: exit status: 1
~
[EOT]
      

18:28:37 	vRecv(Link0,u_ns_g2l_wo ns_l2l u_ns_g2l u_ns_l2l_wo ns_g2g 
u_ns_l2g_wo u_ns_l2l ns_g2l u_ns_g2g u_ns_g2g_wo u_ns_l2g ns_l2g 
echo_request1500_1st_64 echo_request1500_1st_72 echo_request1500_1st_80 
echo_request1500_1st_88 echo_request1500_1st_96 echo_request1500_1st_104 
echo_request1500_1st_112 echo_request1500_1st_120 
echo_request1500_1st_128 echo_request1500_1st_136 
echo_request1500_1st_144 echo_request1500_1st_152 
echo_request1500_1st_160 echo_request1500_1st_168 
echo_request1500_1st_176 echo_request1500_1st_184 
echo_request1500_1st_192 echo_request1500_1st_200 
echo_request1500_1st_208 echo_request1500_1st_216 
echo_request1500_1st_224 echo_request1500_1st_232 
echo_request1500_1st_240 echo_request1500_1st_248 
echo_request1500_1st_256 echo_request1500_1st_264 
echo_request1500_1st_272 echo_request1500_1st_280 
echo_request1500_1st_288 echo_request1500_1st_296 
echo_request1500_1st_304 echo_request1500_1st_312 
echo_request1500_1st_320 echo_request1500_1st_328 
echo_request1500_1st_336 echo_request1500_1st_344 
echo_request1500_1st_352 echo_request1500_1st_360 
echo_request1500_1st_368 echo_request1500_1st_376 
echo_request1500_1st_384 echo_request1500_1st_392 
echo_request1500_1st_400 echo_request1500_1st_408 
echo_request1500_1st_416 echo_request1500_1st_424 
echo_request1500_1st_432 echo_request1500_1st_440 
echo_request1500_1st_448 echo_request1500_1st_456 
echo_request1500_1st_464 echo_request1500_1st_472 
echo_request1500_1st_480 echo_request1500_1st_488 
echo_request1500_1st_496 echo_request1500_1st_504 
echo_request1500_1st_512 echo_request1500_1st_520 
echo_request1500_1st_528 echo_request1500_1st_536 
echo_request1500_1st_544 echo_request1500_1st_552 
echo_request1500_1st_560 echo_request1500_1st_568 
echo_request1500_1st_576 echo_request1500_1st_584 
echo_request1500_1st_592 echo_request1500_1st_600 
echo_request1500_1st_608 echo_request1500_1st_616 
echo_request1500_1st_624 echo_request1500_1st_632 
echo_request1500_1st_640 echo_request1500_1st_648 
echo_request1500_1st_656 echo_request1500_1st_664 
echo_request1500_1st_672 echo_request1500_1st_680 
echo_request1500_1st_688 echo_request1500_1st_696 
echo_request1500_1st_704 echo_request1500_1st_712 
echo_request1500_1st_720 echo_request1500_1st_728 
echo_request1500_1st_736 echo_request1500_1st_744 
echo_request1500_1st_752 echo_request1500_1st_760 
echo_request1500_1st_768 echo_request1500_1st_776 
echo_request1500_1st_784 echo_request1500_1st_792 
echo_request1500_1st_800 echo_request1500_1st_808 
echo_request1500_1st_816 echo_request1500_1st_824 
echo_request1500_1st_832 echo_request1500_1st_840 
echo_request1500_1st_848 echo_request1500_1st_856 
echo_request1500_1st_864 echo_request1500_1st_872 
echo_request1500_1st_880 echo_request1500_1st_888 
echo_request1500_1st_896 echo_request1500_1st_904 
echo_request1500_1st_912 echo_request1500_1st_920 
echo_request1500_1st_928 echo_request1500_1st_936 
echo_request1500_1st_944 echo_request1500_1st_952 
echo_request1500_1st_960 echo_request1500_1st_968 
echo_request1500_1st_976 echo_request1500_1st_984 
echo_request1500_1st_992 echo_request1500_1st_1000 
echo_request1500_1st_1008 echo_request1500_1st_1016 
echo_request1500_1st_1024 echo_request1500_1st_1032 
echo_request1500_1st_1040 echo_request1500_1st_1048 
echo_request1500_1st_1056 echo_request1500_1st_1064 
echo_request1500_1st_1072 echo_request1500_1st_1080 
echo_request1500_1st_1088 echo_request1500_1st_1096 
echo_request1500_1st_1104 echo_request1500_1st_1112 
echo_request1500_1st_1120 echo_request1500_1st_1128 
echo_request1500_1st_1136 echo_request1500_1st_1144 
echo_request1500_1st_1152 echo_request1500_1st_1160 
echo_request1500_1st_1168 echo_request1500_1st_1176 
echo_request1500_1st_1184 echo_request1500_1st_1192 
echo_request1500_1st_1200 echo_request1500_1st_1208 
echo_request1500_1st_1216 echo_request1500_1st_1224 
echo_request1500_1st_1232 echo_request1500_1st_1240 
echo_request1500_1st_1248 echo_request1500_1st_1256 
echo_request1500_1st_1264 echo_request1500_1st_1272 
echo_request1500_1st_1280 echo_request1500_1st_1288 
echo_request1500_1st_1296 echo_request1500_1st_1304 
echo_request1500_1st_1312 echo_request1500_1st_1320 
echo_request1500_1st_1328 echo_request1500_1st_1336 
echo_request1500_1st_1344 echo_request1500_1st_1352 
echo_request1500_1st_1360 echo_request1500_1st_1368 
echo_request1500_1st_1376 echo_request1500_1st_1384 
echo_request1500_1st_1392 echo_request1500_1st_1400) timeout:5 
cntLimit:0 seektime:0
recv unexpect packet at 18:28:37 
<http://10.66.71.64/Self_Test_4-0-5/pmtu.p2/15.html#vRecvPKT8>
vRecv() return status=1

	Cannot receive Echo Request
NG
18:28:42 	vSend(Link0,PktTooBig_others)
Send Packet Too Big message 
<http://10.66.71.64/Self_Test_4-0-5/pmtu.p2/15.html#vSendPKT6>

	NUT send 3rd Echo Request to Multicast Destination
18:28:43 	Clear Captured Packets (Link0)
18:28:43 	vRemote(ping6.rmt) ``/usr/local/v6eval//bin/rhel51//ping6.rmt 
-t rhel51 -u root -p redhat -d cuad0 -o 1 size=1452 addr=FF1E::1:2 
if=eth0 ''

Connected
prompt_user: ``login: '', prompt_password: ``Password: '', prompt_command: ``(\$|#) ''
rLogin: Wait for login prompt (0.2 sec)...
rLogin: Never got prompt; try again
rLogin: Wait for login prompt (50 sec)...

[root@host-test ~]# rLogin: Got command prompt
rLogin: Got command prompt
_rCommand: Try to get command prompt (0.2 sec.)
_rCommand: (\$|#) 
_rCommand: command prompt...
_rCommand: Try to get command prompt (15 sec.)
_rCommand: (\$|#) 

[root@host-test ~]# _rCommand: Do ``ping6 -n -c 1 -i 1 -s 1452 -p 00 -w 2 -I eth0 FF1E::1:2'' command
ping6 -n -c 1 -i 1 -s 1452 -p 00 -w 2 -I eth0 FF1E::1:2
rCommand: Try to get command prompt (0.2 sec)
PATTERN: 0x00
PING FF1E::1:2(ff1e::1:2) from 3ffe:501:ffff:100:218:8bff:fe74:2ee7 eth0: 1452 data bytes
From 3ffe:501:ffff:100:218:8bff:fe74:2ee7 icmp_seq=1 Packet too big: mtu=1400

--- FF1E::1:2 ping statistics ---
0 packets transmitted, 0 received, +1 errors

[root@hostrCommand: Try to get command prompt (15 sec)
-test ~]# 
rCommand: CmdOutput=``
PATTERN: 0x00
PING FF1E::1:2(ff1e::1:2) from 3ffe:501:ffff:100:218:8bff:fe74:2ee7 eth0: 1452 data bytes
From 3ffe:501:ffff:100:218:8bff:fe74:2ee7 icmp_seq=1 Packet too big: mtu=1400

--- FF1E::1:2 ping statistics ---
0 packets transmitted, 0 received, +1 errors

[root@host-test ~]''
[root@host-test ~]# echo $?
1rCommand: exit status: 1
~
[EOT]
      

18:28:44 	vRecv(Link0,u_ns_g2l_wo ns_l2l u_ns_g2l u_ns_l2l_wo ns_g2g 
u_ns_l2g_wo u_ns_l2l ns_g2l u_ns_g2g u_ns_g2g_wo u_ns_l2g ns_l2g 
echo_request1500_1st_112 echo_request1500_1st_120 
echo_request1500_1st_128 echo_request1500_1st_136 
echo_request1500_1st_144 echo_request1500_1st_152 
echo_request1500_1st_160 echo_request1500_1st_168 
echo_request1500_1st_176 echo_request1500_1st_184 
echo_request1500_1st_192 echo_request1500_1st_200 
echo_request1500_1st_208 echo_request1500_1st_216 
echo_request1500_1st_224 echo_request1500_1st_232 
echo_request1500_1st_240 echo_request1500_1st_248 
echo_request1500_1st_256 echo_request1500_1st_264 
echo_request1500_1st_272 echo_request1500_1st_280 
echo_request1500_1st_288 echo_request1500_1st_296 
echo_request1500_1st_304 echo_request1500_1st_312 
echo_request1500_1st_320 echo_request1500_1st_328 
echo_request1500_1st_336 echo_request1500_1st_344 
echo_request1500_1st_352 echo_request1500_1st_360 
echo_request1500_1st_368 echo_request1500_1st_376 
echo_request1500_1st_384 echo_request1500_1st_392 
echo_request1500_1st_400 echo_request1500_1st_408 
echo_request1500_1st_416 echo_request1500_1st_424 
echo_request1500_1st_432 echo_request1500_1st_440 
echo_request1500_1st_448 echo_request1500_1st_456 
echo_request1500_1st_464 echo_request1500_1st_472 
echo_request1500_1st_480 echo_request1500_1st_488 
echo_request1500_1st_496 echo_request1500_1st_504 
echo_request1500_1st_512 echo_request1500_1st_520 
echo_request1500_1st_528 echo_request1500_1st_536 
echo_request1500_1st_544 echo_request1500_1st_552 
echo_request1500_1st_560 echo_request1500_1st_568 
echo_request1500_1st_576 echo_request1500_1st_584 
echo_request1500_1st_592 echo_request1500_1st_600 
echo_request1500_1st_608 echo_request1500_1st_616 
echo_request1500_1st_624 echo_request1500_1st_632 
echo_request1500_1st_640 echo_request1500_1st_648 
echo_request1500_1st_656 echo_request1500_1st_664 
echo_request1500_1st_672 echo_request1500_1st_680 
echo_request1500_1st_688 echo_request1500_1st_696 
echo_request1500_1st_704 echo_request1500_1st_712 
echo_request1500_1st_720 echo_request1500_1st_728 
echo_request1500_1st_736 echo_request1500_1st_744 
echo_request1500_1st_752 echo_request1500_1st_760 
echo_request1500_1st_768 echo_request1500_1st_776 
echo_request1500_1st_784 echo_request1500_1st_792 
echo_request1500_1st_800 echo_request1500_1st_808 
echo_request1500_1st_816 echo_request1500_1st_824 
echo_request1500_1st_832 echo_request1500_1st_840 
echo_request1500_1st_848 echo_request1500_1st_856 
echo_request1500_1st_864 echo_request1500_1st_872 
echo_request1500_1st_880 echo_request1500_1st_888 
echo_request1500_1st_896 echo_request1500_1st_904 
echo_request1500_1st_912 echo_request1500_1st_920 
echo_request1500_1st_928 echo_request1500_1st_936 
echo_request1500_1st_944 echo_request1500_1st_952 
echo_request1500_1st_960 echo_request1500_1st_968 
echo_request1500_1st_976 echo_request1500_1st_984 
echo_request1500_1st_992 echo_request1500_1st_1000 
echo_request1500_1st_1008 echo_request1500_1st_1016 
echo_request1500_1st_1024 echo_request1500_1st_1032 
echo_request1500_1st_1040 echo_request1500_1st_1048 
echo_request1500_1st_1056 echo_request1500_1st_1064 
echo_request1500_1st_1072 echo_request1500_1st_1080 
echo_request1500_1st_1088 echo_request1500_1st_1096 
echo_request1500_1st_1104 echo_request1500_1st_1112 
echo_request1500_1st_1120 echo_request1500_1st_1128 
echo_request1500_1st_1136 echo_request1500_1st_1144 
echo_request1500_1st_1152 echo_request1500_1st_1160 
echo_request1500_1st_1168 echo_request1500_1st_1176 
echo_request1500_1st_1184 echo_request1500_1st_1192 
echo_request1500_1st_1200 echo_request1500_1st_1208 
echo_request1500_1st_1216 echo_request1500_1st_1224 
echo_request1500_1st_1232 echo_request1500_1st_1240 
echo_request1500_1st_1248 echo_request1500_1st_1256 
echo_request1500_1st_1264 echo_request1500_1st_1272 
echo_request1500_1st_1280 echo_request1500_1st_1288 
echo_request1500_1st_1296 echo_request1500_1st_1304 
echo_request1500_1st_1312 echo_request1500_1st_1320 
echo_request1500_1st_1328 echo_request1500_1st_1336 
echo_request1500_1st_1344 echo_request1500_1st_1352) timeout:5 
cntLimit:0 seektime:0
vRecv() return status=1

	Cannot receive Echo Request
NG
NUT send 4th Echo Request to Multicast Destination
18:28:49 	Clear Captured Packets (Link0)
18:28:49 	vRemote(ping6.rmt) ``/usr/local/v6eval//bin/rhel51//ping6.rmt 
-t rhel51 -u root -p redhat -d cuad0 -o 1 size=1352 addr=FF1E::1:2 
if=eth0 ''

Connected
prompt_user: ``login: '', prompt_password: ``Password: '', prompt_command: ``(\$|#) ''
rLogin: Wait for login prompt (0.2 sec)...
rLogin: Never got prompt; try again
rLogin: Wait for login prompt (50 sec)...

[root@host-test ~]# rLogin: Got command prompt
rLogin: Got command prompt
_rCommand: Try to get command prompt (0.2 sec.)
_rCommand: (\$|#) 
_rCommand: command prompt...
_rCommand: Try to get command prompt (15 sec.)
_rCommand: (\$|#) 

[root@host-test ~]# _rCommand: Do ``ping6 -n -c 1 -i 1 -s 1352 -p 00 -w 2 -I eth0 FF1E::1:2'' command
ping6 -n -c 1 -i 1 -s 1352 -p 00 -w 2 -I eth0 FF1E::1:2
rCommand: Try to get command prompt (0.2 sec)
PATTERN: 0x00
PING FF1E::1:2(ff1e::1:2) from 3ffe:501:ffff:100:218:8bff:fe74:2ee7 eth0: 1352 data bytes
rCommand: Try to get command prompt (15 sec)


--- FF1E::1:2 ping statistics ---
3 packets transmitted, 0 received, 100% packet loss, time 2000ms

[root@host-test ~]# 
[rCommand: CmdOutput=``
PATTERN: 0x00
PING FF1E::1:2(ff1e::1:2) from 3ffe:501:ffff:100:218:8bff:fe74:2ee7 eth0: 1352 data bytes


--- FF1E::1:2 ping statistics ---
3 packets transmitted, 0 received, 100% packet loss, time 2000ms

[root@host-test ~]''
root@host-test ~]# echo $?
1
[rootrCommand: exit status: 1
~
[EOT]
      

18:28:51 	vRecv(Link0,u_ns_g2l_wo ns_l2l u_ns_g2l u_ns_l2l_wo ns_g2g 
u_ns_l2g_wo u_ns_l2l ns_g2l u_ns_g2g u_ns_g2g_wo u_ns_l2g ns_l2g 
echo_request_mc1400 echo_request1400_1st_8 echo_request1400_1st_16 
echo_request1400_1st_24 echo_request1400_1st_32 echo_request1400_1st_40 
echo_request1400_1st_48 echo_request1400_1st_56 echo_request1400_1st_64 
echo_request1400_1st_72 echo_request1400_1st_80 echo_request1400_1st_88 
echo_request1400_1st_96 echo_request1400_1st_104 
echo_request1400_1st_112 echo_request1400_1st_120 
echo_request1400_1st_128 echo_request1400_1st_136 
echo_request1400_1st_144 echo_request1400_1st_152 
echo_request1400_1st_160 echo_request1400_1st_168 
echo_request1400_1st_176 echo_request1400_1st_184 
echo_request1400_1st_192 echo_request1400_1st_200 
echo_request1400_1st_208 echo_request1400_1st_216 
echo_request1400_1st_224 echo_request1400_1st_232 
echo_request1400_1st_240 echo_request1400_1st_248 
echo_request1400_1st_256 echo_request1400_1st_264 
echo_request1400_1st_272 echo_request1400_1st_280 
echo_request1400_1st_288 echo_request1400_1st_296 
echo_request1400_1st_304 echo_request1400_1st_312 
echo_request1400_1st_320 echo_request1400_1st_328 
echo_request1400_1st_336 echo_request1400_1st_344 
echo_request1400_1st_352 echo_request1400_1st_360 
echo_request1400_1st_368 echo_request1400_1st_376 
echo_request1400_1st_384 echo_request1400_1st_392 
echo_request1400_1st_400 echo_request1400_1st_408 
echo_request1400_1st_416 echo_request1400_1st_424 
echo_request1400_1st_432 echo_request1400_1st_440 
echo_request1400_1st_448 echo_request1400_1st_456 
echo_request1400_1st_464 echo_request1400_1st_472 
echo_request1400_1st_480 echo_request1400_1st_488 
echo_request1400_1st_496 echo_request1400_1st_504 
echo_request1400_1st_512 echo_request1400_1st_520 
echo_request1400_1st_528 echo_request1400_1st_536 
echo_request1400_1st_544 echo_request1400_1st_552 
echo_request1400_1st_560 echo_request1400_1st_568 
echo_request1400_1st_576 echo_request1400_1st_584 
echo_request1400_1st_592 echo_request1400_1st_600 
echo_request1400_1st_608 echo_request1400_1st_616 
echo_request1400_1st_624 echo_request1400_1st_632 
echo_request1400_1st_640 echo_request1400_1st_648 
echo_request1400_1st_656 echo_request1400_1st_664 
echo_request1400_1st_672 echo_request1400_1st_680 
echo_request1400_1st_688 echo_request1400_1st_696 
echo_request1400_1st_704 echo_request1400_1st_712 
echo_request1400_1st_720 echo_request1400_1st_728 
echo_request1400_1st_736 echo_request1400_1st_744 
echo_request1400_1st_752 echo_request1400_1st_760 
echo_request1400_1st_768 echo_request1400_1st_776 
echo_request1400_1st_784 echo_request1400_1st_792 
echo_request1400_1st_800 echo_request1400_1st_808 
echo_request1400_1st_816 echo_request1400_1st_824 
echo_request1400_1st_832 echo_request1400_1st_840 
echo_request1400_1st_848 echo_request1400_1st_856 
echo_request1400_1st_864 echo_request1400_1st_872 
echo_request1400_1st_880 echo_request1400_1st_888 
echo_request1400_1st_896 echo_request1400_1st_904 
echo_request1400_1st_912 echo_request1400_1st_920 
echo_request1400_1st_928 echo_request1400_1st_936 
echo_request1400_1st_944 echo_request1400_1st_952 
echo_request1400_1st_960 echo_request1400_1st_968 
echo_request1400_1st_976 echo_request1400_1st_984 
echo_request1400_1st_992 echo_request1400_1st_1000 
echo_request1400_1st_1008 echo_request1400_1st_1016 
echo_request1400_1st_1024 echo_request1400_1st_1032 
echo_request1400_1st_1040 echo_request1400_1st_1048 
echo_request1400_1st_1056 echo_request1400_1st_1064 
echo_request1400_1st_1072 echo_request1400_1st_1080 
echo_request1400_1st_1088 echo_request1400_1st_1096 
echo_request1400_1st_1104 echo_request1400_1st_1112 
echo_request1400_1st_1120 echo_request1400_1st_1128 
echo_request1400_1st_1136 echo_request1400_1st_1144 
echo_request1400_1st_1152 echo_request1400_1st_1160 
echo_request1400_1st_1168 echo_request1400_1st_1176 
echo_request1400_1st_1184 echo_request1400_1st_1192 
echo_request1400_1st_1200 echo_request1400_1st_1208 
echo_request1400_1st_1216 echo_request1400_1st_1224 
echo_request1400_1st_1232 echo_request1400_1st_1240 
echo_request1400_1st_1248 echo_request1400_1st_1256 
echo_request1400_1st_1264 echo_request1400_1st_1272 
echo_request1400_1st_1280 echo_request1400_1st_1288 
echo_request1400_1st_1296 echo_request1400_1st_1304 
echo_request1400_1st_1312 echo_request1400_1st_1320 
echo_request1400_1st_1328 echo_request1400_1st_1336 
echo_request1400_1st_1344 echo_request1400_1st_1352) timeout:5 
cntLimit:0 seektime:0
Recv multicast Echo Request (Packet size is 1400) 
<http://10.66.71.64/Self_Test_4-0-5/pmtu.p2/15.html#vRecvPKT9>

	OK
18:28:52 	vSend(Link0,PktTooBig)
Send Packet Too Big message 
<http://10.66.71.64/Self_Test_4-0-5/pmtu.p2/15.html#vSendPKT7>

	NUT send 5th Echo Request to Multicast Destination
18:28:52 	Clear Captured Packets (Link0)
18:28:52 	vRemote(ping6.rmt) ``/usr/local/v6eval//bin/rhel51//ping6.rmt 
-t rhel51 -u root -p redhat -d cuad0 -o 1 size=1352 addr=FF1E::1:2 
if=eth0 ''

Connected
prompt_user: ``login: '', prompt_password: ``Password: '', prompt_command: ``(\$|#) ''
rLogin: Wait for login prompt (0.2 sec)...
rLogin: Never got prompt; try again
rLogin: Wait for login prompt (50 sec)...

[root@host-test ~]# rLogin: Got command prompt
rLogin: Got command prompt
_rCommand: Try to get command prompt (0.2 sec.)
_rCommand: (\$|#) 
_rCommand: command prompt...
_rCommand: Try to get command prompt (15 sec.)
_rCommand: (\$|#) 

[root@host-test ~]# _rCommand: Do ``ping6 -n -c 1 -i 1 -s 1352 -p 00 -w 2 -I eth0 FF1E::1:2'' command
ping6 -n -c 1 -i 1 -s 1352 -p 00 -w 2 -I eth0 FF1E::1:2
rCommand: Try to get command prompt (0.2 sec)
PATTERN: 0x00
PING FF1E::1:2(ff1e::1:2)rCommand: Try to get command prompt (15 sec)
 from 3ffe:501:ffff:100:218:8bff:fe74:2ee7 eth0: 1352 data bytes
From 3ffe:501:ffff:100:218:8bff:fe74:2ee7 icmp_seq=1 Packet too big: mtu=1300

--- FF1E::1:2 ping statistics ---
0 packets transmitted, 0 received, +1 errors


[root@host-test ~]# 
[root@hrCommand: CmdOutput=``
PATTERN: 0x00
PING FF1E::1:2(ff1e::1:2) from 3ffe:501:ffff:100:218:8bff:fe74:2ee7 eth0: 1352 data bytes
From 3ffe:501:ffff:100:218:8bff:fe74:2ee7 icmp_seq=1 Packet too big: mtu=1300

--- FF1E::1:2 ping statistics ---
0 packets transmitted, 0 received, +1 errors


[root@host-test ~]''
ost-test ~]# echo $?
1rCommand: exit status: 1
~
[EOT]
      

18:28:53 	vRecv(Link0,u_ns_g2l_wo ns_l2l u_ns_g2l u_ns_l2l_wo ns_g2g 
u_ns_l2g_wo u_ns_l2l ns_g2l u_ns_g2g u_ns_g2g_wo u_ns_l2g ns_l2g 
echo_request1400_1st_112 echo_request1400_1st_120 
echo_request1400_1st_128 echo_request1400_1st_136 
echo_request1400_1st_144 echo_request1400_1st_152 
echo_request1400_1st_160 echo_request1400_1st_168 
echo_request1400_1st_176 echo_request1400_1st_184 
echo_request1400_1st_192 echo_request1400_1st_200 
echo_request1400_1st_208 echo_request1400_1st_216 
echo_request1400_1st_224 echo_request1400_1st_232 
echo_request1400_1st_240 echo_request1400_1st_248 
echo_request1400_1st_256 echo_request1400_1st_264 
echo_request1400_1st_272 echo_request1400_1st_280 
echo_request1400_1st_288 echo_request1400_1st_296 
echo_request1400_1st_304 echo_request1400_1st_312 
echo_request1400_1st_320 echo_request1400_1st_328 
echo_request1400_1st_336 echo_request1400_1st_344 
echo_request1400_1st_352 echo_request1400_1st_360 
echo_request1400_1st_368 echo_request1400_1st_376 
echo_request1400_1st_384 echo_request1400_1st_392 
echo_request1400_1st_400 echo_request1400_1st_408 
echo_request1400_1st_416 echo_request1400_1st_424 
echo_request1400_1st_432 echo_request1400_1st_440 
echo_request1400_1st_448 echo_request1400_1st_456 
echo_request1400_1st_464 echo_request1400_1st_472 
echo_request1400_1st_480 echo_request1400_1st_488 
echo_request1400_1st_496 echo_request1400_1st_504 
echo_request1400_1st_512 echo_request1400_1st_520 
echo_request1400_1st_528 echo_request1400_1st_536 
echo_request1400_1st_544 echo_request1400_1st_552 
echo_request1400_1st_560 echo_request1400_1st_568 
echo_request1400_1st_576 echo_request1400_1st_584 
echo_request1400_1st_592 echo_request1400_1st_600 
echo_request1400_1st_608 echo_request1400_1st_616 
echo_request1400_1st_624 echo_request1400_1st_632 
echo_request1400_1st_640 echo_request1400_1st_648 
echo_request1400_1st_656 echo_request1400_1st_664 
echo_request1400_1st_672 echo_request1400_1st_680 
echo_request1400_1st_688 echo_request1400_1st_696 
echo_request1400_1st_704 echo_request1400_1st_712 
echo_request1400_1st_720 echo_request1400_1st_728 
echo_request1400_1st_736 echo_request1400_1st_744 
echo_request1400_1st_752 echo_request1400_1st_760 
echo_request1400_1st_768 echo_request1400_1st_776 
echo_request1400_1st_784 echo_request1400_1st_792 
echo_request1400_1st_800 echo_request1400_1st_808 
echo_request1400_1st_816 echo_request1400_1st_824 
echo_request1400_1st_832 echo_request1400_1st_840 
echo_request1400_1st_848 echo_request1400_1st_856 
echo_request1400_1st_864 echo_request1400_1st_872 
echo_request1400_1st_880 echo_request1400_1st_888 
echo_request1400_1st_896 echo_request1400_1st_904 
echo_request1400_1st_912 echo_request1400_1st_920 
echo_request1400_1st_928 echo_request1400_1st_936 
echo_request1400_1st_944 echo_request1400_1st_952 
echo_request1400_1st_960 echo_request1400_1st_968 
echo_request1400_1st_976 echo_request1400_1st_984 
echo_request1400_1st_992 echo_request1400_1st_1000 
echo_request1400_1st_1008 echo_request1400_1st_1016 
echo_request1400_1st_1024 echo_request1400_1st_1032 
echo_request1400_1st_1040 echo_request1400_1st_1048 
echo_request1400_1st_1056 echo_request1400_1st_1064 
echo_request1400_1st_1072 echo_request1400_1st_1080 
echo_request1400_1st_1088 echo_request1400_1st_1096 
echo_request1400_1st_1104 echo_request1400_1st_1112 
echo_request1400_1st_1120 echo_request1400_1st_1128 
echo_request1400_1st_1136 echo_request1400_1st_1144 
echo_request1400_1st_1152 echo_request1400_1st_1160 
echo_request1400_1st_1168 echo_request1400_1st_1176 
echo_request1400_1st_1184 echo_request1400_1st_1192 
echo_request1400_1st_1200 echo_request1400_1st_1208 
echo_request1400_1st_1216 echo_request1400_1st_1224 
echo_request1400_1st_1232 echo_request1400_1st_1240 
echo_request1400_1st_1248) timeout:5 cntLimit:0 seektime:0
recv unexpect packet at 18:28:55 
<http://10.66.71.64/Self_Test_4-0-5/pmtu.p2/15.html#vRecvPKT10>
vRecv() return status=1

	Cannot receive Echo Request
NG
18:28:58 	vSend(Link0,PktTooBig_others)
Send Packet Too Big message 
<http://10.66.71.64/Self_Test_4-0-5/pmtu.p2/15.html#vSendPKT8>

	NUT send 6th Echo Request to Multicast Destination
18:28:58 	Clear Captured Packets (Link0)
18:28:58 	vRemote(ping6.rmt) ``/usr/local/v6eval//bin/rhel51//ping6.rmt 
-t rhel51 -u root -p redhat -d cuad0 -o 1 size=1352 addr=FF1E::1:2 
if=eth0 ''

Connected
prompt_user: ``login: '', prompt_password: ``Password: '', prompt_command: ``(\$|#) ''
rLogin: Wait for login prompt (0.2 sec)...
rLogin: Never got prompt; try again
rLogin: Wait for login prompt (50 sec)...

[root@host-test ~]# rLogin: Got command prompt
rLogin: Got command prompt
_rCommand: Try to get command prompt (0.2 sec.)
_rCommand: (\$|#) 
_rCommand: command prompt...
_rCommand: Try to get command prompt (15 sec.)
_rCommand: (\$|#) 

[root@host-test ~]# _rCommand: Do ``ping6 -n -c 1 -i 1 -s 1352 -p 00 -w 2 -I eth0 FF1E::1:2'' command
ping6 -n -c 1 -i 1 -s 1352 -p 00 -w 2 -I eth0 FF1E::1:2
rCommand: Try to get command prompt (0.2 sec)
PATTERN: 0x00
PING FF1E::1:2(ff1e::1:2) from 3ffe:501:ffff:100:218:8bff:fe74:2ee7 eth0: 1352 data bytes
From 3ffe:501:ffff:100:218:8bff:fe74:2ee7 icmp_seq=1 Packet too big: mtu=1300

--- FF1E::1:2 ping statistics ---
0 packets transmitted, 0 received, +1 errors

[root@host-test ~]# rCommand: CmdOutput=``
PATTERN: 0x00
PING FF1E::1:2(ff1e::1:2) from 3ffe:501:ffff:100:218:8bff:fe74:2ee7 eth0: 1352 data bytes
From 3ffe:501:ffff:100:218:8bff:fe74:2ee7 icmp_seq=1 Packet too big: mtu=1300

--- FF1E::1:2 ping statistics ---
0 packets transmitted, 0 received, +1 errors

[root@host-test ~]''
echo $?
1
[roorCommand: exit status: 1
~
[EOT]
      

18:28:59 	vRecv(Link0,u_ns_g2l_wo ns_l2l u_ns_g2l u_ns_l2l_wo ns_g2g 
u_ns_l2g_wo u_ns_l2l ns_g2l u_ns_g2g u_ns_g2g_wo u_ns_l2g ns_l2g 
echo_request1400_1st_112 echo_request1400_1st_120 
echo_request1400_1st_128 echo_request1400_1st_136 
echo_request1400_1st_144 echo_request1400_1st_152 
echo_request1400_1st_160 echo_request1400_1st_168 
echo_request1400_1st_176 echo_request1400_1st_184 
echo_request1400_1st_192 echo_request1400_1st_200 
echo_request1400_1st_208 echo_request1400_1st_216 
echo_request1400_1st_224 echo_request1400_1st_232 
echo_request1400_1st_240 echo_request1400_1st_248 
echo_request1400_1st_256 echo_request1400_1st_264 
echo_request1400_1st_272 echo_request1400_1st_280 
echo_request1400_1st_288 echo_request1400_1st_296 
echo_request1400_1st_304 echo_request1400_1st_312 
echo_request1400_1st_320 echo_request1400_1st_328 
echo_request1400_1st_336 echo_request1400_1st_344 
echo_request1400_1st_352 echo_request1400_1st_360 
echo_request1400_1st_368 echo_request1400_1st_376 
echo_request1400_1st_384 echo_request1400_1st_392 
echo_request1400_1st_400 echo_request1400_1st_408 
echo_request1400_1st_416 echo_request1400_1st_424 
echo_request1400_1st_432 echo_request1400_1st_440 
echo_request1400_1st_448 echo_request1400_1st_456 
echo_request1400_1st_464 echo_request1400_1st_472 
echo_request1400_1st_480 echo_request1400_1st_488 
echo_request1400_1st_496 echo_request1400_1st_504 
echo_request1400_1st_512 echo_request1400_1st_520 
echo_request1400_1st_528 echo_request1400_1st_536 
echo_request1400_1st_544 echo_request1400_1st_552 
echo_request1400_1st_560 echo_request1400_1st_568 
echo_request1400_1st_576 echo_request1400_1st_584 
echo_request1400_1st_592 echo_request1400_1st_600 
echo_request1400_1st_608 echo_request1400_1st_616 
echo_request1400_1st_624 echo_request1400_1st_632 
echo_request1400_1st_640 echo_request1400_1st_648 
echo_request1400_1st_656 echo_request1400_1st_664 
echo_request1400_1st_672 echo_request1400_1st_680 
echo_request1400_1st_688 echo_request1400_1st_696 
echo_request1400_1st_704 echo_request1400_1st_712 
echo_request1400_1st_720 echo_request1400_1st_728 
echo_request1400_1st_736 echo_request1400_1st_744 
echo_request1400_1st_752 echo_request1400_1st_760 
echo_request1400_1st_768 echo_request1400_1st_776 
echo_request1400_1st_784 echo_request1400_1st_792 
echo_request1400_1st_800 echo_request1400_1st_808 
echo_request1400_1st_816 echo_request1400_1st_824 
echo_request1400_1st_832 echo_request1400_1st_840 
echo_request1400_1st_848 echo_request1400_1st_856 
echo_request1400_1st_864 echo_request1400_1st_872 
echo_request1400_1st_880 echo_request1400_1st_888 
echo_request1400_1st_896 echo_request1400_1st_904 
echo_request1400_1st_912 echo_request1400_1st_920 
echo_request1400_1st_928 echo_request1400_1st_936 
echo_request1400_1st_944 echo_request1400_1st_952 
echo_request1400_1st_960 echo_request1400_1st_968 
echo_request1400_1st_976 echo_request1400_1st_984 
echo_request1400_1st_992 echo_request1400_1st_1000 
echo_request1400_1st_1008 echo_request1400_1st_1016 
echo_request1400_1st_1024 echo_request1400_1st_1032 
echo_request1400_1st_1040 echo_request1400_1st_1048 
echo_request1400_1st_1056 echo_request1400_1st_1064 
echo_request1400_1st_1072 echo_request1400_1st_1080 
echo_request1400_1st_1088 echo_request1400_1st_1096 
echo_request1400_1st_1104 echo_request1400_1st_1112 
echo_request1400_1st_1120 echo_request1400_1st_1128 
echo_request1400_1st_1136 echo_request1400_1st_1144 
echo_request1400_1st_1152 echo_request1400_1st_1160 
echo_request1400_1st_1168 echo_request1400_1st_1176 
echo_request1400_1st_1184 echo_request1400_1st_1192 
echo_request1400_1st_1200 echo_request1400_1st_1208 
echo_request1400_1st_1216 echo_request1400_1st_1224 
echo_request1400_1st_1232 echo_request1400_1st_1240 
echo_request1400_1st_1248) timeout:5 cntLimit:0 seektime:0
vRecv() return status=1

	Cannot receive Echo Request
NG
Target: Reboot
18:29:04 	vRemote(reboot.rmt) 
``/usr/local/v6eval//bin/rhel51//reboot.rmt -t rhel51 -u root -p redhat 
-d cuad0 -o 1 timeout=300''

Connected
prompt_user: ``login: '', prompt_password: ``Password: '', prompt_command: ``(\$|#) ''
rLogin: Wait for login prompt (0.2 sec)...
rLogin: Never got prompt; try again
rLogin: Wait for login prompt (50 sec)...

[root@host-test ~]# rLogin: Got command prompt
rLogin: Got command prompt
_rCommand: Try to get command prompt (0.2 sec.)
_rCommand: (\$|#) 
_rCommand: command prompt...
_rCommand: Try to get command prompt (5 sec.)
_rCommand: (\$|#) 

[root@host-test ~]# _rCommand: Do ``reboot'' command
reboot


Broadcast message from root@host-test
	(/dev/ttyS0) at 6:31 ...

The system is going down for reboot NOW!
À
Fedora release 10.91 (Rawhide)
Kernel 2.6.29-0.66.rc3.fc11.i586 on an i686 (ttyS0)

host-test login: ~
[EOT]
      

18:30:05 	Stop Capturing Packets (Link0)
18:30:05 	End