Notes from Fall on BA 354 lab problems

1. Clues to duplex and “too much workin interrupt” errors

  1. Answers from JJ Jock in ACS:
    All the outlets in the lab are set to 100 Mbps full duplex. If your
    Linux boxes are set to auto-negotiate, this will cause the duplex errors
    you're seeing.

  2. duplex and "too much work in interrupt" errors can be solved by reading:
    file:/usr/share/doc/kernel-doc-2.4.21/networking/vortex.txt


  3. mii-tool is really, really cool
    The following will set eth0 to 100Mb/sec, Full Duplex

    mii-tool -F 100baseTx-FD eth0

    The following does the same thing in the modprobe.conf or modules.conf file

    alias eth0 3c59x
    options 3c59x options=0x204

  4. The above solves the duplex errors completely but does nothing for the interrupt errors


  5. Other clues for interrupt:
    http://ohno.mrbill.net/pipermail/linuxmanagers/2002-July/000750.html


2. 802.1x PEAP problems:

  1. http://hostap.epitest.fi/wpa_supplicant/

  2. Notes from Win XP networking:
    Using AGEIS 802.1x procotol version 2.3.1.7 Data encyrption using WEP is ON and key is provided automatically
    Authentication used is: EAP-PEAP
    Secured Password using: EAP-MSCHAP v2 with no autologon
    managed
    SSID: TTUnet provided automatically
    Frequnces found on TTUnet 2.462G, 2.412G, 2.437G, 2.447G
    Registry WPA: CJ27J3P2XV9J9JCPB4DVT
    Registry WPA: G4XTBRDJMGP7G4WJTJK48


  3. Misc WEP, EAP, etc links
    Basic install
    wpa_supplicant
    iwconfig commands