system hangs on boot up if no internet available

[Dave Abouav]

Our DNS goes through our ISP. The IP addresses of their DNS servers are 
hard-coded into the server's /etc/rc.conf file.  No amount of waiting 
seems to help. It always just hangs trying to load sshd.

Chuck Swiger wrote:
> On Jul 23, 2008, at 2:25 PM, Dave Abouav wrote:
>> I setup a FreeBSD server (v 6.1) for my company as a simple Samba 
>> server. It works fine. Except once in awhile our access to the 
>> outside internet goes out (due to our ISP), and when it does the 
>> FreeBSD server gets hung up, even after rebooted. This happened this 
>> morning, so I put a console on it, and rebooted it. I saw that it 
>> gets hung trying to start sshd. No error messages are given. If I hit 
>> Control-C, to skip loading sshd, then the rest of the boot-up goes 
>> normally and people can again access the server. Any ideas how I can 
>> avoid this problem? I'd rather not skip the loading of sshd. I don't 
>> have any special programs on the server that contact the outside world.
>
> It's probably doing something which needs a DNS lookup.  Do you have a 
> subnet-local nameserver available, or does simply waiting for 2 
> minutes or so for a timeout do the trick?
>

-- 

Dave Abouav
Product Manager & Software Engineer
KWJ Engineering, Transducer Technology Division
Phone: (510) 791-0951
Fax: (510) 794-4330
Email: dave at transducertech.com