Re: [Observium] DNS Aliases

4 Jun 2014

      Ah thanks, the fact that the manual add worked threw me, took another look at my syntax, fixed and now all looks much better.
Cheers,
Emma
...
-----Original Message-----
From: observium [mailto:observium-bounces@observium.org] On Behalf Of
Markus Klock
Sent: 04 June 2014 12:59
To: Observium Network Observation System
Subject: Re: [Observium] DNS Aliases
No, this setting is only for configuring what networks who should be
autodiscovered, it is not needed for manual adding a device.
http://www.observium.org/wiki/Configuration_Options#Auto_Discovery_S
ettings
/Markus
2014-06-04 13:37 GMT+02:00 Cardinal-Richards, Emma <e.cardinal-
richards@ucl.ac.uk mailto:e.cardinal-richards@ucl.ac.uk >:
Yep, and if I hadn't wouldn't that mean the manual add would fail?
Emma
...
-----Original Message-----
From: observium [mailto:observium-bounces@observium.org
mailto:observium-bounces@observium.org ] On Behalf Of
...
Markus Klock
Sent: 04 June 2014 12:35
To: Observium Network Observation System
Subject: Re: [Observium] DNS Aliases
...
Have you added the ip-range of the hosts to the list of ip-ranges
that should
...
be autodiscovered?
/Markus
2014-06-04 13:32 GMT+02:00 Cardinal-Richards, Emma <e.cardinal-
...
richards@ucl.ac.uk mailto:richards@ucl.ac.uk  <mailto:e.cardinal-
richards@ucl.ac.uk mailto:e.cardinal-richards@ucl.ac.uk > >:
...
  Just ran a debug on discovery from a particular host, and I can

see
...
devices getting discovered and resolved correctly.  But a discovery -
h all
...
didn't add them as new devices?  Am I wrong about when the
autodiscover
...
and subsequent add should happen?  They do allow me to add
them
...
manually but we're talking hundreds of switches...
  Cheers,
  Emma

  > -----Original Message-----
  > From: observium [mailto:observium-bounces@observium.org

mailto:observium-bounces@observium.org
...
<mailto:observium-bounces@observium.org <mailto:observium-
bounces@observium.org> > ] On Behalf Of
...
  > Cardinal-Richards, Emma
  > Sent: 04 June 2014 12:08
  > To: Observium Network Observation System
  > Subject: Re: [Observium] DNS Aliases
  >

  > Sorry, I meant that the alias (which matches the device

hostname)
...
is a
      > CNAME pointing to the A record address which resolves the IP.
      >
      > Regards,
      > Emma
      >
  > > -----Original Message-----
  > > From: observium [mailto:observium-

bounces@observium.org mailto:observium-bounces@observium.org
...
<mailto:observium-bounces@observium.org <mailto:observium-
bounces@observium.org> > ] On Behalf
...
  > Of
  > > Tom Laermans
  > > Sent: 04 June 2014 11:57
  > > To: Observium Network Observation System
  > > Subject: Re: [Observium] DNS Aliases
  > >
  > > Hi Emma,
  > >
  > > I'm not sure what you mean by "main resolvable hostname"

and
...
"alias" ?
      > >
      > > For autodiscovery you obviously need to be able to resolve
the
...
hostname
      > > the device is broadcasting.
      > >
      > > Tom
      > >
      > > On 06/04/2014 11:53 AM, Cardinal-Richards, Emma wrote:
      > > > Hi,
      > > >
      > > > I understand that Observium needs the hostnames to be
valid,
...
so we
      > > tweaked our hosts file with a regex to add an alias to match
the
...
device
      > > hostnames (as our initial names had some extra info in the
names
...
not on
      > the
      > > hosts).  But this appears to allow me to add devices manually
but
...
  > > autodiscovery doesn't seem to be working.  Does Observium

need it to be
      > > the 'main' resolvable hostname rather than an alias?
      > > >
      > > > Regards,
      > > > Emma
      > > >

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