On Thu, Jul 12, 2001 at 12:09:07AM +0000, Soren Aalto wrote: > > > > On Wed, Jul 11, 2001 at 11:05:18AM -0700, Moo Kim wrote: > > > I've installed redhat 7.1 few weeks back on a PC running > > > Pentium 200 MHz, 128 MB. The network is configured with > > > DHCP server on a secure intra-network within the company > > > as a development box. > > > > > > I am having telnet session timing out problem when I telnet > > > into the box as root. After about 10 minutes, the telnet > > > session hangs or not responds any more. If I go to the > > > console window, and execute a ping command, then the telnet > > > session resumes. I think I don't have this problem when I > > > telneting out from the box to remote hosts. > > > > > > I tried make /etc/pam.d/other file to be generic as possible > > > but the problem (could be called a feature with the PAM default > > > configuration) persists. > > > > > > Does anyone run into this problem in redhat 7.1 ? Anyone > > > knows how I can disable (or work-around) the 10-min timeout > > > on telnet session ? It is not clear to me whether this > > > problem is with PAM or XINETD. > > > > Does this happen only with telnet, or is it happening with other > > connection-oriented services? > > > > For example, if you switch on the POP server, telnet to the port, > > and sit there for ten minutes, does it time out as well? > > Start watching ARP packets and what is in the arp table. > Start a session -- note what /sbin/arp -a tells you about > the ethernet addresses of both sides of the connection. > > Then, once the connection dies, check the arp tables again > on both boxes. > > It just sounds for all the world like two boxes have the > same IP, and there's an ARP race condition that you win > sometimes, you lose sometimes. > > -- > Soren Aalto <soren@pan.uzulu.ac.za> > Internet guy, University of Zululand > If you have any trouble sounding condescending, find a Unix user to > show you how it's done. --Scott Adams > Hi Soren, I tried your suggestion and arp -a command shows nothing on the linux box running redhat 7.1 after the telnet session is timed-out (or hung) after 10-min. When I then issue a ping command from the linux box, the hung telnet session resumes and arp -a prints the output as telnet session is active. Thanks, Moo Kim Moo.Kim@NCR.COM NCR Corporation
