• Subject: Re: TraceRoute
  • From: Scott Klement <klemscot@xxxxxxxxxxxx>
  • Date: Fri, 12 Jan 2001 14:06:10 -0600 (CST)


I've seen stuff similar to this happen when

       a) two computers have the same ethernet (MAC) address.
       b) two computers have the same IP address, one is responding to
               pings, one is not.
       c) routing is screwed up (subnets and routes aren't properly
               configured)
       d) network card is dying.  

Of these, I'd say (d) is the most likely/common unless you're setting up
your LAN for the first time, now.


On Fri, 12 Jan 2001, John Hall wrote:

> hmm... couple of clarifications about my situation.
> 
> If I ping using a name or the direct IP the same thing occurs.
> 
> No other systems (NT, linux, 98, 95) experience this problem.
> 
> I doubt that it is a time-out issue since the problem occurs with our
> local internet router.  A successful ping will return in 3 to 4 ms
> typically.  Pinging external internet addresses yield times of 100 to
> 180 ms.  Both will fail on pings # 2 & 4
> 
> > Chris Bipes wrote:
> > 
> > Sounds like you are handing out multiple IPs for your system.  DNS
> > will give out 1 then 2 then 1 then 2....
> 
> ping resolves the DNS prior to sending the packet.
> 
> The firewall logs show 5 ping attempts to the same address.
> 
> Oh well I'll keep looking

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