Duplicate name exists on network
Rick Stevens
rstevens at internap.com
Mon Jan 21 18:14:41 UTC 2008
On Mon, 2008-01-21 at 14:07 +0530, Alok Pandey wrote:
> My new FQDN is as :
> rev-zone file:
> 118 IN PTR snarayan_D1_Ub-32_118.in.xx.com.
> 119 IN PTR dell119.in.xx.com.
> 120 IN PTR ibasha_D1_XpSp2-64_120.in.xx.com.
> 121 IN PTR dsingh_D1_XpSp2-64_121.in.xx.com.
> 122 IN PTR ahiremath_D1_XpSp2-64_122.in.xx.com.
> 123 IN PTR nlocal_T1_Fe7-64_123.in.xx.com.
> 124 IN PTR nlocal_T1_Lan-I_124.in.xx.com.
> 125 IN PTR aroy125.in.xx.com.
> In-zone file:
> sarora_D1_XpSp2-64_115 IN A 192.168.0.115
> silver_T1_Cnt-64_116 IN A 192.168.0.116
> net-install IN A 192.168.0.117
> snarayan_D1_Ub-32_118 IN A 192.168.0.118
> dell119 IN A 192.168.0.119
> ibasha_D1_XpSp2-64_120 IN A 192.168.0.120
> dsingh_D1_XpSp2-64_121 IN A 192.168.0.121
> ahiremath_D1_XpSp2-64_122 IN A 192.168.0.122
> nlocal_T1_Fe7-64_123 IN A 192.168.0.123
> nlocal_T1_lan-I_124 IN A 192.168.0.124
> aroy125 IN A 192.168.0.125
> vksingh_D1_Fe7-64_126 IN A 192.168.0.126
>
> In detail in represented as :
> snarayan_D1_Ub-32_118.in.xx.com. = username_DestoptNum_OS-arch_ip
Do NOT use underscores in the host- or domain-names. That is in direct
violation of RFC standards.
>
> Any suggestion is welcome ...
>
> Thanks
> Alok
> Sujitkumar Shirkar wrote:
> > Hello Alok,
> >
> > what is your exact new FQDN? is it
> > "RAM_D1_Rhel5-64_192.168.1.41.xx.com" if yes then you need to remove
> > IP address from it. as in DNS every "." is considered as one child
> > domain. Also in your windwos DNS server check all host entries. is
> > you have same IP with two different host names. thesn rectify it
> >
> > Sujit
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > o: alok.rhct at gmail.com; redhat-install-list at redhat.com
> > > Date: Fri, 18 Jan 2008 11:39:23 -0700
> > > CC:
> > > Subject: Re: Duplicate name exists on network
> > >
> > >
> > > On Thu, 17 Jan 2008 21:24:50 +0530, "Alok Pandey"
> > <alok.rhct at gmail.com>
> > > said:
> > > > Hi
> > > > I have a network mix OS of approx 30 machine. ( ie, OS as Xp,
> > vista,
> > > > Linux all flavour).
> > > > I have a DNS and DHCP Services running on Linux box. Recently I
> > added a
> > > > Win server 2000 box in the network and also renamed the FQDN of
> > some
> > > > old box connected with the same network.
> > > > Now when ever I try to access machine with Host name, it shows
> > an error
> > > > message as *duplicate name exists on your network.* Whereas I
> > can
> > > > successful access the same machine by IP, also the machine who's
> > host
> > > > name are not renamed , are accessible by name. My new FQDN
> > contains 2
> > > > special character "_ " and "-".( eg hostname is as :
> > > > Name_D1_Rhel5-64_IP.xx.com) whereas previous it was simple on
> > the name
> > > > of mountain( eg everest.xx.com).
> > > >
> > > > Now I am unable to figure out the cause of problem. Is it
> > because of new
> > > > win server machine or dns or use of the special char or
> > something else,
> > > > plz help.
> > > >
> > > > Note : I have central anti virus system (kaspersky), which is
> > installed
> > > > on Win Server 2000. But the client deployment fail because of
> > this
> > > > duplicate name network problem.
> > > >
> > > > Thanks
> > > > Alok
> > >
> > > Don't know if this is the only issue, but in newer versions of
> > bind
> > > underscores are generally not allowed in a hostname (RFC 952). If
> > you
> > > absolutely need to have a non conforming name you may be able to
> > use the
> > > "check-names" directive in your config file. You'll need to pass
> > it a
> > > few arguments (master ignore etc). I would recommend using a
> > conforming
> > > hostname.
> > >
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> >
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----------------------------------------------------------------------
- Rick Stevens, Principal Engineer rstevens at internap.com -
- CDN Systems, Internap, Inc. http://www.internap.com -
- -
- Millihelen, adj: The amount of beauty required to launch one ship. -
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