Re: Strange Network Problem (TTL?)
On Thu, Mar 09, 2000 at 04:50:42PM -0500, Chris Wagner wrote:
> At 08:33 PM 3/9/00 +0100, Paul van Empelen wrote:
> >Ping will show you the TTL of the returning icmp packet. I can't tell you
> >exactly what the TTL does on the iron where the ping packet will bounce.
>
> So each host implements it's own time-to-live for it's ICMP packets? I take
> it that's the maximum time a host will wait to here a ping echo? Possibly a
> way to keep hosts from waiting ad infinitum for echos and thereby hogging up
> stack space.
Time to live has nothing to do with time, although the name suggests it.
It is a hop count. You start at e.g. 255. On the next hop the IP packet
will have a ttl of 254 and so on.
Paul.
PS: I won't answer my mail next week.
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