[LUNA] Ping Reply question

Michael W. Hall hallmw at att.net
Thu Sep 4 18:29:33 CDT 2014 

I never thought to do that.  Here are the results.
hallmw at Tardis:~$ ping jack
PING jack.gateway.2wire.net (192.168.1.78) 56(84) bytes of data.
64 bytes from jack (192.168.1.78): icmp_seq=1 ttl=64 time=0.049 ms
64 bytes from jack (192.168.1.78): icmp_seq=2 ttl=64 time=0.022 ms
64 bytes from jack (192.168.1.78): icmp_seq=3 ttl=64 time=0.067 ms
64 bytes from jack (192.168.1.78): icmp_seq=4 ttl=64 time=0.059 ms
64 bytes from jack (192.168.1.78): icmp_seq=5 ttl=64 time=0.050 ms
64 bytes from jack (192.168.1.78): icmp_seq=6 ttl=64 time=0.059 ms
64 bytes from jack (192.168.1.78): icmp_seq=7 ttl=64 time=0.060 ms
64 bytes from jack (192.168.1.78): icmp_seq=8 ttl=64 time=0.029 ms
64 bytes from jack (192.168.1.78): icmp_seq=9 ttl=64 time=0.028 ms
64 bytes from jack (192.168.1.78): icmp_seq=10 ttl=64 time=0.051 ms
64 bytes from jack (192.168.1.78): icmp_seq=11 ttl=64 time=0.043 ms
64 bytes from jack (192.168.1.78): icmp_seq=12 ttl=64 time=0.058 ms
64 bytes from jack (192.168.1.78): icmp_seq=13 ttl=64 time=0.063 ms
64 bytes from jack (192.168.1.78): icmp_seq=14 ttl=64 time=0.059 ms
64 bytes from jack (192.168.1.78): icmp_seq=15 ttl=64 time=0.034 ms
64 bytes from jack (192.168.1.78): icmp_seq=16 ttl=64 time=0.059 ms
^C
--- jack.gateway.2wire.net ping statistics ---
16 packets transmitted, 16 received, 0% packet loss, time 15001ms
rtt min/avg/max/mdev = 0.022/0.049/0.067/0.014 ms
hallmw at Tardis:~$ nslookup 192.168.1.78
Server:		127.0.1.1
Address:	127.0.1.1#53

78.1.168.192.in-addr.arpa	name = jack.


On Thu, 2014-09-04 at 11:25 -0500, Branden Harper wrote:
> If you do a ping to 'jack' does it work correctly?  Have you tried
> `nslookup jack' and `nslookup 192.168.1.78' ?
> 
> Just a couple of things I thought of today.
> 
> 
> On Wed, Sep 3, 2014 at 8:59 PM, Michael W. Hall <hallmw at att.net> wrote:
> 
> > After I upgraded to Ubuntu 14.04 LTS, I ssh into my desktop.  I then
> > pinged my laptop to see if the reply would say tardis.  Below are the
> > results.  Not sure where the jack is coming from, but one reply did say
> > Tardis.
> >
> > mwhall at TAZ:~$ ping tardis
> > PING tardis.gateway.2wire.net (192.168.1.78) 56(84) bytes of data.
> > 64 bytes from jack (192.168.1.78): icmp_req=1 ttl=64 time=8.31 ms
> > 64 bytes from jack (192.168.1.78): icmp_req=2 ttl=64 time=13.0 ms
> > 64 bytes from jack (192.168.1.78): icmp_req=3 ttl=64 time=34.4 ms
> > 64 bytes from Tardis.local (192.168.1.78): icmp_req=4 ttl=64 time=11.1
> > ms
> > 64 bytes from jack (192.168.1.78): icmp_req=6 ttl=64 time=4.25 ms
> > 64 bytes from jack (192.168.1.78): icmp_req=7 ttl=64 time=6.17 ms
> > 64 bytes from jack (192.168.1.78): icmp_req=8 ttl=64 time=7.28 ms
> > 64 bytes from jack (192.168.1.78): icmp_req=9 ttl=64 time=3.14 ms
> > 64 bytes from jack (192.168.1.78): icmp_req=10 ttl=64 time=2.92 ms
> > 64 bytes from jack (192.168.1.78): icmp_req=11 ttl=64 time=3.52 ms
> > 64 bytes from jack (192.168.1.78): icmp_req=12 ttl=64 time=4.16 ms
> > 64 bytes from jack (192.168.1.78): icmp_req=13 ttl=64 time=2.39 ms
> > 64 bytes from jack (192.168.1.78): icmp_req=14 ttl=64 time=3.17 ms
> > 64 bytes from jack (192.168.1.78): icmp_req=15 ttl=64 time=5.75 ms
> > 64 bytes from jack (192.168.1.78): icmp_req=16 ttl=64 time=3.03 ms
> >
> > On Thu, 2014-08-14 at 17:14 -0500, Michael W. Hall wrote:
> > > My bad Bob.  Laziness on my part.  It is short for Raspberry Pi.  The
> > > little computer.  They are awesome.
> > >
> > > On Thu, 2014-08-14 at 01:22 +0000, Bob Nance wrote:
> > > > I’m afraid I don’t know what RPi is, but I would get it’s a remote
> > ping server. If it reporting that name, it is resolving it from somewhere!
> > > >
> > > > ---
> > > >   Bob Nance
> > > >   Novation Systems
> > > >   bob.nance at novationsys.com
> > > >   256-534-4620
> > > >
> > > > On Aug 13, 2014, at 5:36 PM, Michael W. Hall <hallmw at att.net> wrote:
> > > >
> > > > > So you are saying tha t the RPi is putting that in the reply status?
> > > > > That is strange, why would it do it for just my laptop?  The other
> > > > > machines have the correct name.
> > > > >
> > > > >
> > > > > On Tue, 2014-08-12 at 02:58 +0000, Bob Nance wrote:
> > > > >> I hope I understand what you’re asking. Since the ping response
> > doesn’t carry any identifying information beyond layer 3, the name
> > resolution has to be occurring on the computer reporting the ping status.
> > Is that helpful?
> > > > >>
> > > > >>
> > > > >> ---
> > > > >>  Bob Nance
> > > > >>  Novation Systems
> > > > >>  bob.nance at novationsys.com
> > > > >>  256-534-4620
> > > > >>
> > > > >> On Aug 11, 2014, at 9:45 PM, Michael W. Hall <hallmw at att.net>
> > wrote:
> > > > >>
> > > > >>> Ok.  I am setting up my RPi and have it working.  I ping my laptop
> > from
> > > > >>> the RPi or any machine and in the reply it does not have the name
> > of my
> > > > >>> laptop.  It has Jack where the name of my machine should be.  I
> > have
> > > > >>> checked the hostname file and it has the name of my machine.
> > Anyone
> > > > >>> have an idea of where to fix that?
> > > > >>>
> > > > >>> Thanks,
> > > > >>> Michael
> > > > >>>
> > > > >>> _______________________________________________
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