Re: [nv-l] netview name lookup

[Paul <pstroud@bellsouth.net>]

Actually, try using the host command:

host <hostname>

This should use the standard OS lookup and can easily
be tested.

Paul




Jon Austin wrote:
> Chris,
>
>    That's because the nslookup command does NOT use the operating
> system gethostbyname() APIs call in the way that NetView does when it
> does a lookup.
>
> nslookup is a compiled binary program specifically for interfacing to
> DNS.
>
> A better test would be to attempt to ping the device. 
>
> Ping and netview both use the gethostbyname() API as provided by the 
> operating system. Therefore ping should behave exactly as you have
> configured the OS using netsvc.conf.
>
>
> Jon Austing. 
>
>
> > > > cjp8@meadwestvaco.com 12/22/03 03:38PM >>>
> I verified on the AIX box that netsvc.conf is setup as
> hosts-local,bind. I 
> then tried doing a NSLookup by device name from the box and it returned
> only that it could not find it in the DNS server.  I did verify that it
>
> was in the /etc/hosts file though.  That is where I guess I am asking 
> about Netview.  Does it just execute a nslookup when it receives a
> device 
> name?
> Thanks
> Chris Petrina 
>
>
>
>
> James Shanks <jshanks@us.ibm.com>
> Sent by: owner-nv-l@lists.us.ibm.com 
> 12/22/2003 09:55 AM
> Please respond to nv-l
>
>  
>         To:     nv-l@lists.us.ibm.com 
>         cc: 
>         Subject:        Re: [nv-l] netview name lookup
>
> Great, but your DNS guys are mistaken if they think you cannot override
>
> DNS locally on AIX with an /etc/hosts file.
> To do it, you need another file called /etc/netsvc.conf.   In there you
>
> specify the order in which you would like name resolution to proceed.
> For example,
>         hosts = local, bind
> says to use your local /etc/hosts first, and if no match is found, then
> go 
>
> to DNS. 
> Lot's of NetView users employ this.
> James Shanks
> Level 3 Support  for Tivoli NetView for UNIX and Windows
> Tivoli Software / IBM Software Group
>
>
>
>
> "Christopher J Petrina" <cjp8@meadwestvaco.com>
> Sent by: owner-nv-l@lists.us.ibm.com 
> 12/22/2003 09:29 AM
> Please respond to nv-l
>
>  
>         To:     nv-l@lists.us.ibm.com 
>         cc: 
>         Subject:        Re: [nv-l] netview name lookup
>
>
>
> This is how I would figure it did the Name resolution.  HOwever with 
> Netview running on an AIX box, my UNIX guru's have come to tell me that
> name resolution is only done via a DNS server from AIX.  AIX cannot be
>
> configured to use the /etc/hosts file for resolution.   We ahve a DNS 
> server that it attaches to.   And your answer is what I was looking for
>
> Thank you 
> Chris Petrina 
>
>
>
> Jane Curry <jane.curry@skills-1st.co.uk> 
> Sent by: owner-nv-l@lists.us.ibm.com 
> 12/20/2003 06:57 AM 
> Please respond to nv-l 
>  
>         To:        nv-l@lists.us.ibm.com 
>         cc: 
>         Subject:        Re: [nv-l] netview name lookup
>
>
> NetView himself has no name-to-address resolution mechanism - he uses 
> whatever the host Operating System uses.  That is, if all you have is a
> hosts file with the NetView box in it, everything else will have IP 
> addresses as labels.  It is strongly recommended that you have a 
> reliable DNS employed by the NetView system (preferably with the
> NetView 
> system acting as a caching / secondary DNS server).
> Cheers,
> Jane
>
> Christopher J Petrina wrote:
>
>
> > how does netview look attempt to determine the name of a device.
> > i.e. in my location.conf file I am using names in place of IP 
> > addresses for my gateways.  How does Netview resolve the name on a
> AIX 
>
> > box?