Terry,

Normally, I tell people to make sure their workstations are
listed in the /etc/hosts file properly.  But, with 2000 workstations
that doesn't cut it very well.  So, for you, make sure your
workstations are listed in the DNS system properly.

That is, you absolutely have to have reverses setup.  Various
services on the LTSP server need to be able to figure out the
hostname that goes along with the IP address.  That can cause
the problem that you are describing.

There is probably a dozen other things that could be causing
your problem as well, but at least make sure the server can
map an IP address to a hostname.

Jim McQuillan
[EMAIL PROTECTED]


On Wed, 10 Apr 2002, Terry Stanway wrote:

> I am working on a project that involves the use of terminals in a 2000 student 
>secondary school.  The core of our system includes a machine which functions as a 
>bootp server and provides ldap services.  There are several application servers, one 
>of which handles an xdm chooser broadcast.  Each of these machines is debian release 
>2.4.18.  Physically, the school network is supported by a gigabit backbone which 
>connects several communication closets which are populated with BayStack 450F 
>switches.  Our gateway is a Cisco router (2700, if I remember correctly) which also 
>provides dhcp service to our Windows and Mac stations.  Our terminals are primarily 
>486-33's with 16mb and 3com isa nic's.
> 
> Our problem is that after a very prompt bootp response and a rapid X instantiation, 
>everything really bogs down.  It will often take more than 5 minutes for the chooser 
>to appear and another 5 minutes to obtain a login window when a server is selected.  
>The login process is equally slow.  Once loaded, at least with ice or blackbox, the 
>windows environment seems to function normally however a shell will be slow to bring 
>up a prompt and, in a browser, while static pages are no problem, even a relatively 
>low bandwidth page such as 'www.nytimes.com' causes extreme latency.  I cannot find 
>any hint of conflicts or timeouts in the log files and, while I have very limited 
>experience in fiddling with networks, flood pings from one device to the next shows 
>no packet loss. (Interestingly, a flood ping from any of our servers to the gateway 
>gives 10% packet loss however I don't believe that our traffic should be touching the 
>gateway.)
> 
> If anyone has any suggestions regarding how I might tackle this problem, I would 
>greatly appreciate your response as I am running out of ideas.
> 
> Thanks in advance,
> 
> Terry
> 
> 
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