<html><head></head><body bgcolor="#FFFFFF"><div>Bill or someone,</div><div><br></div><div>Mind checking netdisco for this guy while I'm meeting with the room wired/TV guys?</div><div><br></div><div>Thanks!</div><div>Chris.<br><br><div><br></div><div>--</div><div>Chris Elliott</div><div>CCIE # 2013</div><div><br></div>“You and I are mirages that perceive themselves”<div>--Douglas Hofstadter</div></div><div><br>Begin forwarded message:<br><br></div><blockquote type="cite"><div><b>From:</b> Tero Kivinen <<a href="mailto:kivinen@iki.fi">kivinen@iki.fi</a>><br><b>Date:</b> March 28, 2012 9:24:19 AM GMT+02:00<br><b>To:</b> <a href="mailto:chelliot@pobox.com">chelliot@pobox.com</a><br><b>Subject:</b> <b>Re: [83attendees] Concorde Room Network</b><br><br></div></blockquote><div></div><blockquote type="cite"><div><span>Chris Elliott writes:</span><br><blockquote type="cite"><span>We've gained access to the complete wireless infrastructure of the hotel</span><br></blockquote><blockquote type="cite"><span>and we've doe a variety of configuration tests and changes. We believe we</span><br></blockquote><blockquote type="cite"><span>have improved the situation for most hotel guests. However, there may be</span><br></blockquote><blockquote type="cite"><span>instances where our changes (due to some holes in our understanding of</span><br></blockquote><blockquote type="cite"><span>where exactly some of the APs are located, for example) have made things</span><br></blockquote><blockquote type="cite"><span>worse in specific areas. If things are /worse/ than they were, please send</span><br></blockquote><blockquote type="cite"><span>me the information requested before, unicast:</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span> - Room number or location</span><br></blockquote><span></span><br><span>2025</span><br><span></span><br><blockquote type="cite"><span> - The MAC address of your device(s)</span><br></blockquote><span></span><br><span>00:1c:bf:66:5f:f4</span><br><span></span><br><blockquote type="cite"><span> - The BSSID you associated to</span><br></blockquote><span></span><br><span>I tried to use ietf-hotel, and it found access point</span><br><span>00:26:F1:16:E2:27, but I never really got connected to it. </span><br><span></span><br><blockquote type="cite"><span> - The time or time range</span><br></blockquote><span></span><br><span>2012-03-27 between 22:17-23:00.</span><br><span></span><br><blockquote type="cite"><span> - The problem you experienced</span><br></blockquote><span></span><br><span>I did see ietf-hotel network, but when I selected it I never got</span><br><span>connected to it. It sometimes (about half of time) it did find</span><br><span>accesspoint and managed to associate to itself (i.e. iwconfig did show</span><br><span>Access Point mac address), but it never got addresses either from dhcp</span><br><span>or from RA for IPv6. </span><br><span></span><br><blockquote type="cite"><span> - Please collect pings to 130.129.64.1 or 2001:df8:0:64::1, if you can and</span><br></blockquote><blockquote type="cite"><span>send the round trip times and drops</span><br></blockquote><span></span><br><span>Never got that far that I could have pinged anything. Earlier when I</span><br><span>did randomly manage to get network connection up, the round trip times</span><br><span>were usually around 6000 ms on average, 11000 ms on max and few tens</span><br><span>of ms at minimum. Drop rates were usually around 50-70%. </span><br><span></span><br><span>Here is iwlist eth1 scanning output, then iwconfig eth1 output at the</span><br><span>point where it managed to associate itself to AP, and then ifconfig</span><br><span>during the same time, after that the linux decided to time out and</span><br><span>drop trying.</span><br><span></span><br><span>tiiliskivi (22:24) ~>sudo iwlist eth1 scanning</span><br><span>eth1 Scan completed :</span><br><span> Cell 01 - Address: 00:26:F1:16:E2:26</span><br><span> Channel:1</span><br><span> Frequency:2.412 GHz (Channel 1)</span><br><span> Quality=33/70 Signal level=-77 dBm</span><br><span> Encryption key:off</span><br><span> ESSID:"Hotel Concorde Lafayette"</span><br><span> Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s</span><br><span> 9 Mb/s; 12 Mb/s; 18 Mb/s</span><br><span> Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s</span><br><span> Mode:Master</span><br><span> Extra:tsf=000000152614b50b</span><br><span> Extra: Last beacon: 8730ms ago</span><br><span> IE: Unknown: 0018486F74656C20436F6E636F726465204C6166617965747465</span><br><span> IE: Unknown: 010882848B960C121824</span><br><span> IE: Unknown: 030101</span><br><span> IE: Unknown: 050400010000</span><br><span> IE: Unknown: 2A0100</span><br><span> IE: Unknown: 32043048606C</span><br><span> Cell 02 - Address: 52:33:8E:C0:4E:2E</span><br><span> Channel:6</span><br><span> Frequency:2.437 GHz (Channel 6)</span><br><span> Quality=22/70 Signal level=-88 dBm</span><br><span> Encryption key:off</span><br><span> ESSID:"orange"</span><br><span> Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s</span><br><span> 9 Mb/s; 12 Mb/s; 18 Mb/s</span><br><span> Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s</span><br><span> Mode:Master</span><br><span> Extra:tsf=00000000260fc180</span><br><span> Extra: Last beacon: 8660ms ago</span><br><span> IE: Unknown: 00066F72616E6765</span><br><span> IE: Unknown: 010882848B960C121824</span><br><span> IE: Unknown: 030106</span><br><span> IE: Unknown: 050400010000</span><br><span> IE: Unknown: 2A0100</span><br><span> IE: Unknown: 32043048606C</span><br><span> IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00</span><br><span> IE: Unknown: 2D1A4C101BFFFF000000000000000000000000000000000000000000</span><br><span> IE: Unknown: 3D1606000900000000000000000000000000000000000000</span><br><span> IE: Unknown: DD0900037F01010000FF7F</span><br><span> IE: Unknown: DD0A00037F04010020000000</span><br><span> IE: Unknown: 0706465220010D14</span><br><span> Cell 03 - Address: 68:A8:6D:5B:0A:69</span><br><span> Channel:6</span><br><span> Frequency:2.437 GHz (Channel 6)</span><br><span> Quality=23/70 Signal level=-87 dBm</span><br><span> Encryption key:on</span><br><span> ESSID:"pfqin_airport"</span><br><span> Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s</span><br><span> 9 Mb/s; 12 Mb/s; 18 Mb/s</span><br><span> Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s</span><br><span> Mode:Master</span><br><span> Extra:tsf=00000007d073a288</span><br><span> Extra: Last beacon: 8650ms ago</span><br><span> IE: Unknown: 000D706671696E5F616972706F7274</span><br><span> IE: Unknown: 010882848B960C121824</span><br><span> IE: Unknown: 030106</span><br><span> IE: Unknown: 050400030000</span><br><span> IE: Unknown: 0706555320010B1E</span><br><span> IE: Unknown: 2A0100</span><br><span> IE: Unknown: 32043048606C</span><br><span> IE: IEEE 802.11i/WPA2 Version 1</span><br><span> Group Cipher : CCMP</span><br><span> Pairwise Ciphers (1) : CCMP</span><br><span> Authentication Suites (1) : PSK</span><br><span> IE: Unknown: 2D1A2C4017FFFF000000000000000000000000000000000000000000</span><br><span> IE: Unknown: 3D1606001100000000000000000000000000000000000000</span><br><span> IE: Unknown: DD180050F2020101010003A4000027A4000042435E0062322F00</span><br><span> IE: Unknown: DD1E00904C332C4017FFFF000000000000000000000000000000000000000000</span><br><span> IE: Unknown: DD1A00904C3406001100000000000000000000000000000000000000</span><br><span> IE: Unknown: DD07000393016B0120</span><br><span> IE: Unknown: DD070017F203020180</span><br><span> Cell 04 - Address: 00:26:BB:0C:D0:66</span><br><span> Channel:11</span><br><span> Frequency:2.462 GHz (Channel 11)</span><br><span> Quality=33/70 Signal level=-77 dBm</span><br><span> Encryption key:off</span><br><span> ESSID:"Tachikoma"</span><br><span> Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s</span><br><span> 24 Mb/s; 36 Mb/s; 54 Mb/s</span><br><span> Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s</span><br><span> Mode:Master</span><br><span> Extra:tsf=000000039c31c183</span><br><span> Extra: Last beacon: 2280ms ago</span><br><span> IE: Unknown: 000954616368696B6F6D61</span><br><span> IE: Unknown: 010882848B962430486C</span><br><span> IE: Unknown: 03010B</span><br><span> IE: Unknown: 2A0100</span><br><span> IE: Unknown: 2F0100</span><br><span> IE: Unknown: 32040C121860</span><br><span> IE: Unknown: 2D1A2C181BFFFF000000000000000000000000000000000000000000</span><br><span> IE: Unknown: 3D160B080400000000000000000000000000000000000000</span><br><span> IE: Unknown: DD090010180204100C0000</span><br><span> IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00</span><br><span> Cell 05 - Address: 00:03:52:B6:54:A0</span><br><span> Channel:11</span><br><span> Frequency:2.462 GHz (Channel 11)</span><br><span> Quality=25/70 Signal level=-85 dBm</span><br><span> Encryption key:off</span><br><span> ESSID:"Hotel Concorde Lafayette"</span><br><span> Bit Rates:2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s; 9 Mb/s</span><br><span> 12 Mb/s; 18 Mb/s; 24 Mb/s</span><br><span> Bit Rates:36 Mb/s; 48 Mb/s; 54 Mb/s</span><br><span> Mode:Master</span><br><span> Extra:tsf=00000011876ed181</span><br><span> Extra: Last beacon: 8570ms ago</span><br><span> IE: Unknown: 0018486F74656C20436F6E636F726465204C6166617965747465</span><br><span> IE: Unknown: 0108848B960C12182430</span><br><span> IE: Unknown: 03010B</span><br><span> IE: Unknown: 050400010100</span><br><span> IE: Unknown: 2A0100</span><br><span> IE: Unknown: 320348606C</span><br><span> Cell 06 - Address: 14:E6:E4:E7:21:42</span><br><span> Channel:11</span><br><span> Frequency:2.462 GHz (Channel 11)</span><br><span> Quality=26/70 Signal level=-84 dBm</span><br><span> Encryption key:on</span><br><span> ESSID:"3G-TP-LINK"</span><br><span> Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s</span><br><span> 9 Mb/s; 12 Mb/s; 18 Mb/s</span><br><span> Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s</span><br><span> Mode:Master</span><br><span> Extra:tsf=00000000eb205946</span><br><span> Extra: Last beacon: 2550ms ago</span><br><span> IE: Unknown: 000A33472D54502D4C494E4B</span><br><span> IE: Unknown: 010882848B960C121824</span><br><span> IE: Unknown: 03010B</span><br><span> IE: Unknown: 050400010000</span><br><span> IE: Unknown: 0706434E20010D14</span><br><span> IE: Unknown: 2A0100</span><br><span> IE: IEEE 802.11i/WPA2 Version 1</span><br><span> Group Cipher : CCMP</span><br><span> Pairwise Ciphers (1) : CCMP</span><br><span> Authentication Suites (1) : PSK</span><br><span> IE: Unknown: 32043048606C</span><br><span> IE: Unknown: 2D1A6E1103FF00000000000000000000000000000000000000000000</span><br><span> IE: Unknown: 3D160B071300000000000000000000000000000000000000</span><br><span> IE: WPA Version 1</span><br><span> Group Cipher : CCMP</span><br><span> Pairwise Ciphers (1) : CCMP</span><br><span> Authentication Suites (1) : PSK</span><br><span> IE: Unknown: DD180050F2020101830003A4000027A4000042435E0062322F00</span><br><span> IE: Unknown: DD0900037F01010000FF7F</span><br><span> Cell 07 - Address: 00:26:F1:16:E2:27</span><br><span> Channel:1</span><br><span> Frequency:2.412 GHz (Channel 1)</span><br><span> Quality=41/70 Signal level=-69 dBm</span><br><span> Encryption key:off</span><br><span> ESSID:"ietf-hotel"</span><br><span> Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s</span><br><span> 9 Mb/s; 12 Mb/s; 18 Mb/s</span><br><span> Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s</span><br><span> Mode:Master</span><br><span> Extra:tsf=000000152670e25e</span><br><span> Extra: Last beacon: 2740ms ago</span><br><span> IE: Unknown: 000A696574662D686F74656C</span><br><span> IE: Unknown: 010882848B960C121824</span><br><span> IE: Unknown: 030101</span><br><span> IE: Unknown: 050400010000</span><br><span> IE: Unknown: 2A0100</span><br><span> IE: Unknown: 32043048606C</span><br><span> Cell 08 - Address: C8:3A:35:F6:03:40</span><br><span> Channel:6</span><br><span> Frequency:2.437 GHz (Channel 6)</span><br><span> Quality=25/70 Signal level=-85 dBm</span><br><span> Encryption key:on</span><br><span> ESSID:"Wireless_N"</span><br><span> Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s</span><br><span> 18 Mb/s; 36 Mb/s; 54 Mb/s</span><br><span> Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s</span><br><span> Mode:Unknown/bug</span><br><span> Extra:tsf=00000007b5b6528c</span><br><span> Extra: Last beacon: 2690ms ago</span><br><span> IE: Unknown: 000A576972656C6573735F4E</span><br><span> IE: Unknown: 010882848B961224486C</span><br><span> IE: Unknown: 030106</span><br><span> IE: Unknown: 32040C183060</span><br><span> IE: Unknown: 0706434E20010D14</span><br><span> IE: Unknown: 33082001020304050607</span><br><span> IE: Unknown: 33082105060708090A0B</span><br><span> IE: Unknown: DD270050F204104A0001101044000101104700102880288028801880A880C83A35F60340103C000101</span><br><span> IE: Unknown: 050400010000</span><br><span> IE: Unknown: 2A0104</span><br><span> IE: Unknown: 2D1A6E1117FF000000010000000000000000000000000C0000000000</span><br><span> IE: Unknown: 3D1606000500000000000000000000000000000000000000</span><br><span> IE: Unknown: 7F0101</span><br><span> IE: IEEE 802.11i/WPA2 Version 1</span><br><span> Group Cipher : CCMP</span><br><span> Pairwise Ciphers (1) : CCMP</span><br><span> Authentication Suites (1) : PSK</span><br><span> IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00</span><br><span> IE: Unknown: 0B050200BB127A</span><br><span> IE: Unknown: DD1E00904C336E1117FF000000010000000000000000000000000C0000000000</span><br><span> IE: Unknown: DD1A00904C3406000500000000000000000000000000000000000000</span><br><span> IE: Unknown: DD07000C4304000000</span><br><span>tiiliskivi (22:24) ~>iwconfig eth1</span><br><span>eth1 IEEE 802.11abg ESSID:"ietf-hotel"</span><br><span> Mode:Managed Frequency:2.412 GHz Access Point: Not-Associated</span><br><span> Tx-Power=15 dBm</span><br><span> Retry long limit:7 RTS thr:off Fragment thr:off</span><br><span> Power Management:off</span><br><span></span><br><span>tiiliskivi (22:26) ~>iwconfig eth1</span><br><span>eth1 IEEE 802.11abg ESSID:"ietf-hotel"</span><br><span> Mode:Managed Frequency:2.412 GHz Access Point: 00:26:F1:16:E2:27</span><br><span> Bit Rate=1 Mb/s Tx-Power=15 dBm</span><br><span> Retry long limit:7 RTS thr:off Fragment thr:off</span><br><span> Power Management:off</span><br><span> Link Quality=24/70 Signal level=-86 dBm</span><br><span> Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0</span><br><span> Tx excessive retries:0 Invalid misc:0 Missed beacon:0</span><br><span></span><br><span>tiiliskivi (22:26) ~>ifconfig eth1</span><br><span>eth1 Link encap:Ethernet HWaddr 00:1c:bf:66:5f:f4</span><br><span> inet6 addr: fe80::21c:bfff:fe66:5ff4/64 Scope:Link</span><br><span> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1</span><br><span> RX packets:752417 errors:0 dropped:0 overruns:0 frame:0</span><br><span> TX packets:149966 errors:0 dropped:0 overruns:0 carrier:0</span><br><span> collisions:0 txqueuelen:1000</span><br><span> RX bytes:194742120 (194.7 MB) TX bytes:26599938 (26.5 MB)</span><br><span>-- </span><br><span><a href="mailto:kivinen@iki.fi">kivinen@iki.fi</a></span><br></div></blockquote></body></html>