I have the following configuration:

Main machine:  3Com 3c905 10/100 board, Win2K with Internet sharing enabled 
and ISDN dialup to Internet
Second machine:  Realtek 8139 10/100, Linux Mandrake 7.2 using DHCP to 
connect to main machine and surf . .

Problem:  If the main machine is off and I boot the Linux box, there is the 
expected long stall during boot trying to find the DHCP host . . . but the 
machine boots.  If the main machine is on, but not connected to the 
Internet - the Linux box boots no problems, but seems to hang sporatically 
until I connect to the Internet with the main machine (over ISDN).  If the 
main machine is already connected to the Internet while I boot the Linux 
box - everthing works without problem.

It appears that the Linux box has problems when the Main box is not 
connected to the Internet - which would imply a DNS issue.
Someone already suggested I set up a DNS caching server on the Linux box . 
. . but, what i don't understand is - WHY would the Linux box hang 
(literally) - no keyboard response, not activity except mouse movement - 
when the main system is offline from the internet?  Why would a DNS lookup 
stall a machine? Why doesn't it simply timeout after a reasonable timeframe 
and continue working?

Any suggestions would be helpful . . .

Thx,
Robert


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