RE: Cable Modem/NIC cards

["T.Phan" <tphan@iqrinc.com>]

hi,

  Thanks for all the suggestion.

  Answer to DMan's question:

    If I power off the cable modem for 1 minutes , and
      case #1), power off the computer, and power on the computer, and
                power on the cable modem. the connection will
                establish again.

      case #2), power on the cable modem without off/on the PC, sometime,
                the connection can be re-establish.

    case #3), I also tried to just power off/on the PC only, and sometime
the connection
    can be re-establish.  But most of the time, this method would not work.

  The sure way to re-establish the connection is case#1.

  There were time if I wait long enough (for several hours), the would
re-connect
  automatically. Again, this does not seem to happen consistently.

  So, I do not know if it is the modem, the nic card, the cable connection,
or
  just AT&T...  THis problem happens on Windows/NT 4.0 also...

  THanks!

-----Original Message-----
From: dman [mailto:dsh8290@rit.edu]
Sent: Tuesday, August 14, 2001 10:12 AM
To: debian-user@lists.debian.org
Subject: Re: Cable Modem/NIC cards


On Tue, Aug 14, 2001 at 09:21:47AM -0500, T.Phan wrote:
| Hi All,
|
|   Is there a way to soft reset the cable modem and the NIC on
|   a Debian/Linux box?

'ifdown eth0' will shutdown the interface eth0 and 'ifup eth0' will
bring it back up.

|   The AT&T Cable Modem some time loses connection, sometime it
|   resets itself.  Afterward, the Debian box will no longer be
|   able to establish the connection until the debian box and
|   the cable modem are shutdown and reboot.

If you power off the cable modem, wait a few minutes, and then power
it back on what happens?  With my ADSL modem I have no problem at
all.  Also, are you using PPPoE or DHCP?  I have read that DHCP is
more robust than PPP because a connection can be dropped for some time
then resumed as if nothing had happened whereas a PPP connection is
broken if the connection is dropped at all.

HTH,
-D


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