fragmentation/pmtud is busted on the ietf network

[morrowc@…]

From: Chris Morrow <morrowc@…>
Subject: noc location?
To: randy@…
Date: Wed, 25 Mar 2009 22:04:11 +0000 (UTC)

hey... fragmentation/pmtud is busted on the ietf network (v4)

wlan0 Link encap:Ethernet HWaddr 00:1D:E0:90:1A:CB

inet addr:130.129.17.253 Bcast:130.129.23.255 Mask:255.255.248.0
inet6 addr: 2001:df8:0:16:21d:e0ff:fe90:1acb/64 Scope:Global
inet6 addr: fe80::21d:e0ff:fe90:1acb/64 Scope:Link
inet6 addr: 2001:df8:0:16:4c40:3f55:4f51:4ba4/64 Scope:Global
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:390745 errors:0 dropped:0 overruns:0 frame:0
TX packets:42819 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:51035127 (48.6 MB) TX bytes:32959389 (31.4 MB)

wlan0 IEEE 802.11g ESSID:"ietf" Nickname:""

Mode:Managed Frequency:2.437 GHz Access Point: 00:17:DF:AA:32:00
Bit Rate=54 Mb/s Tx-Power=27 dBm
Retry min limit:7 RTS thr:off Fragment thr=2346 B

-chris

[randy@…]

i am a bit lost. what is telling you it's busted?

pings with packets <1501:
morrowc@tweezer:/var/tmp/picts$ ping -s 1472 198.6.1.10
PING 198.6.1.10 (198.6.1.10) 1472(1500) bytes of data.
1480 bytes from 198.6.1.10: icmp_seq=1 ttl=239 time=83.5 ms
1480 bytes from 198.6.1.10: icmp_seq=2 ttl=239 time=81.7 ms

--- 198.6.1.10 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1000ms
rtt min/avg/max/mdev = 81.721/82.657/83.593/0.936 ms
morrowc@tweezer:/var/tmp/picts$ ping -s 1473 198.6.1.10
PING 198.6.1.10 (198.6.1.10) 1473(1501) bytes of data.

--- 198.6.1.10 ping statistics ---
2 packets transmitted, 0 received, 100% packet loss, time 1010ms

[(none)]

Milestone IETF Week 73 deleted