[mrtg] Re: ip.DefaultTTL

Daniel J McDonald dan.mcdonald at austinenergy.com
Fri Apr 25 00:01:11 MEST 2003

On Thu, 2003-04-24 at 11:38, Dennis Ervin wrote:
> TTL is most commonly used to designate the number of hops.
But the RFC also requires any device that holds a packet longer than a
second to decrement the TTL by the number of seconds it buffered the
packet.  So, it is a combination of the two metrics, although the
seconds calculation is a bit arcane these days...

> >My router has a ip.DefaultTTL.0 = 255. (i saw it using Getif).
> >I want to know if it is seconds, miliseconds, hops or whatever.
> >Some people say it is hops the others say it is seconds.
> >Does anybody knows the real unit??
Daniel J McDonald, CCIE 2495, CNX
Austin Energy

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