[ietf83-tech] Fwd: [83attendees] Concorde Room Network

Chris Elliott chelliot at pobox.com
Wed Mar 28 00:32:43 PDT 2012


Bill or someone,

Mind checking netdisco for this guy while I'm meeting with the room wired/TV guys?

Thanks!
Chris.


--
Chris Elliott
CCIE # 2013

“You and I are mirages that perceive themselves”
--Douglas Hofstadter

Begin forwarded message:

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