Nslookup working but ping not working at windows client
Hi Team
we have created a DNS server at RHEL6.2 environment in 10.20.203.x/24 network.
Everything is going well on linux client as nslookup, ping by host etc in entire subnet. We are getting problem in windows client as nslookup working as well but not ping. all the firewall is disabled and alos port is opened for DNS server.
Here the /etc/named.conf
Code:
//
// named.conf
//
// Provided by Red Hat bind package to configure the ISC BIND named(8) DNS
// server as a caching only nameserver (as a localhost DNS resolver only).
//
// See /usr/share/doc/bind*/sample/ for example named configuration files.
//
options {
listen-on port 53 { 127.0.0.1; 10.20.203.4; };
listen-on-v6 port 53 { ::1; };
directory "/var/named";
dump-file "/var/named/data/cache_dump.db";
statistics-file "/var/named/data/named_stats.txt";
memstatistics-file "/var/named/data/named_mem_stats.txt";
allow-query { localhost; 10.20.203.4; };
recursion yes;
dnssec-enable yes;
dnssec-validation yes;
dnssec-lookaside auto;
/* Path to ISC DLV key */
bindkeys-file "/etc/named.iscdlv.key";
};
logging {
channel default_debug {
file "data/named.run";
severity dynamic;
};
};
zone "." IN {
type hint;
file "named.ca";
};
zone "example.com" IN {
type master;
file "example.com.fwd";
allow-transfer { 10.20.203.0/24; };
};
zone "203.20.10.in-addr.arpa" IN {
type master;
file "example.com.rev";
allow-update { 10.20.203.0/24; };
};
include "/etc/named.rfc1912.zones";
Here the forward Zone
Code:
$TTL 86400
@ SOA example.com. root (
42 ; serial (d. adams)
3H ; refresh
15M ; retry
1W ; expiry
1D ) ; minimum
NS server.example.com.
server A 10.20.203.4
Reverse Zone file
Code:
$TTL 86400
@ SOA example.com. root.server.example.com. (
1997022700 ; Serial
28800 ; Refresh
14400 ; Retry
3600000 ; Expire
86400 ) ; Minimum
IN NS server.example.com.
4 IN PTR server.example.com.
One more problem in Dig as it can't resolve the host by IP but by hostname as well.
Can anyone explain 1> why ping not working with windos
2> Dig can't resolve host by IP
I would be appreciate if someone trace out the issue here.
Thanks in Advance
Moderator's Comments:
Please use code tags next time for your code and data. thanks
Last edited by vbe; 02-27-2014 at 09:42 AM..
Reason: code tags
Last time i got the same issue with cannot ping hostname from windows client. After troubleshooting for a while, i try to reboot those windows server since it was on test environment. After reboot, ping and nslookup both working on windows server. Still not sure though reboot can solve yours or not.
If DNS is correctly configured and working, what output do you get for your ping?
Does it say something like:-
Code:
C:\>ping myserver.my.domain.com
Pinging myserver.my.domain.com [111.222.333.444] with 32 bytes of data:
Timed out
Timed out
Timed out
Timed out
Ping statistics for 111.222.333.444:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),
C:\>
If you see the IP address in the ping output, then you can be happy with DNS.
This could be a routing problem though. Can you publish the output from ifconfig -a and netstat -nr on your server? It may be that your ping gets to the server, but the server does not have a route to respond.
Please put your output in CODE tags. It makes it far easier to read. You might need to write the :D in [NOPARSE]:D[/NOPARSE] tags to avoid it putting in the big grin as part of a MAC address.
You haven't given us the output of a ping. It would be good to know if you can ping 10.20.203.1 too.
C:\Users\Desktop>ping 10.20.203.1
Pinging 10.20.203.1 with 32 bytes of data:
Reply from 10.20.203.1: bytes=32 time<1ms TTL=254
Reply from 10.20.203.1: bytes=32 time<1ms TTL=254
Reply from 10.20.203.1: bytes=32 time<1ms TTL=254
Reply from 10.20.203.1: bytes=32 time<1ms TTL=254
Ping statistics for 10.20.203.1:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms
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02-27-2014
Nslookup working but ping not working at windows client
