Re: OpenBSD 2.4 Network Weirdnesses

[Chris Cappuccio <chris@nmedia.net>]

On Mon, 8 Mar 1999, John-Paul Pagano wrote:

 | Hi,
 | 
 | I've noticed that my OpenBSD 2.4 box, which I'm using as a firewall, will
 | sometimes drop connectivity on its external network interface
 | spontaneously.  It doesn't happen a lot, but when it does, no configuration
 | changes precipitate the drop-off; the external interface just suddenly
 | loses it's default route.  Frustratingly, although I manually re-add the
 | default route, I still get annoyingly persistent "host is down" messages
 | when I try to ping either in the immediate subnet or outside of it.  I know
 | the machines I'm pinging are up.
 | 

What kind of ethernet card?

 | Today, I did in fact specifically precipitate the problem by changing the
 | domain name on the internal network interface of the firewall.  But, again,
 | the problem is occuring on the external interface, which makes the
 | ostensibly causal relationship between the reconfig and the failure suspect.
 | 

The domain name/DNS isn't related to the networking ability of the box!
(Unless you are using windows ;0)

 | Anyway, just wondering if there are any reported bugs with the networkng
 | facilitiesd on the very earliest release of 2.4 (I compiled mine from
 | source code a week or two before the CD release).
 | 

This has been an extremely stable release for me..

 | Also, I am seeing a very strange problem on this machine in which I can't
 | ping hostnames or FQDNs that are listed in the /etc/hosts file on this box.
 |  I can reach these machines by IP address, but not by name.  Very weird.
 | Even weirder, this seems to be the case only some of the time.
 | 

Send me a copy of your /etc/hosts file