Re: ping hostname failed while ping IP_Address working Options
- From: "Muhammad Salman" <salmanfaheem@xxxxxxxxx>
- Date: Fri, 10 Aug 2007 07:43:37 +0300
BismillahirRehmanirRahim
Hi All,
Just wanted to update you all about the status of this problem.
Alhumdolillaah, its working fine now.
All i did is to add the /etc/inet/hosts files entries in /etc/inet/ipnodes.
previously ipnodes file was as below:
------------------------------------------------
[root@prod-01 /]# more /etc/inet/ipnodes
#
# Internet host table
#
::1 localhost
127.0.0.1 localhost
------------------------------------------------
I checked the ipnodes of other SunFire Servers they are same as above.
and they are able to ping other hosts mentioned in /etc/hosts using their
hostname.
So Still i am not sure what was the actual problem. The O/s is Solaris 9:
SunOS prod-01 5.9 Generic_118558-28
The /etc/nsswitch.conf file is as follow:
------------------------------------------------------------------------------
# /etc/nsswitch.dns:
#
# An example file that could be copied over to /etc/nsswitch.conf; it uses
# DNS for hosts lookups, otherwise it does not use any other naming service.
#
# "hosts:" and "services:" in this file are used only if the
# /etc/netconfig file has a "-" for nametoaddr_libs of "inet" transports.
passwd: files
group: files
# You must also set up the /etc/resolv.conf file for DNS name
# server lookup. See resolv.conf(4).
hosts: files dns
ipnodes: files
-----------------------------------------------------------------------------
The output of getent hosts host_name was okay.
If anyone get some clue regarding this issue then let me know.
Thanks for all who tried to help me out. i really appreciate them.
Your Junior Admin
Salman
On 8/3/07, Andy Bird <Andy.Bird@xxxxxxxxxxx> wrote:
_______________________________________________
Hi Muhammad,
Hosts file should be mytest 10.54.23.1, no = sign
it sees that host as hostname=mytest try hosts file like
mytest 10.54.23.1
hostname2 10.54.23.1
then ping mytest should work.
Andy Bird.
BismillahirRehmanirRahim"Muhammad Salman" <salmanfaheem@xxxxxxxxx> 02/08/2007 17:54 >>>
Hi Admins,
i am facing a strange problem in one of our SunFire v215 Servers.
the ping to the hostname of the Server and ping to the hostname of any
other server in /etc/hosts fail.
but if you ping with IP_Adress it get success. i.e.
hostname=mytest ; IP=10.54.23.1 , hostname2=mydev ; IP2=10.54.23.2
ping mytest
[ failed ]
ping 10.54.23.1
[success]
ping mydev
[ failed ]
ping 10.54.23.2
[ success]
I dont know why its unable to resolve hostname from /etc/hosts.
i didnt find any error in /var/adm/messages
its very urgent, hope to hear soon from you.
Your Junior Admin
Salman
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