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Full Discussion: ping by hostname not working
Top Forums UNIX for Advanced & Expert Users ping by hostname not working Post 302576181 by linuxgeek on Thursday 24th of November 2011 01:59:03 AM
Old 11-24-2011
ping by hostname not working
anyone ever seen this problem:

I can ping the server by IP address but I can't by hostname.

nslookup is working and dns query is ok.

Code:
[root@puppetmaster network-scripts]# nslookup mwxnsb24
Server:          10.11.49.206
Address:        10.11.49.206#53
 
Name:   mwxnsb24
Address:  10.10.58.175
    
[root@puppetmaster network-scripts]# ping 10.10.58.175
PING  10.10.58.175 (10.10.58.175) 56(84) bytes of data.
64 bytes from 10.10.58.175:  icmp_seq=1 ttl=57 time=3.52 ms
64 bytes from 10.10.58.175: icmp_seq=2 ttl=57  time=2.88 ms
  
---  10.10.58.175 ping statistics ---
2 packets transmitted, 2 received, 0% packet  loss, time 999ms
rtt min/avg/max/mdev = 2.886/3.204/3.522/0.318  ms

[root@puppetmaster ~]# ping mwxnsb24
ping:  unknown host mwxnsb24

Last edited by Scott; 11-24-2011 at 03:14 AM.. Reason: Removed formatting, change quote to code tags
 

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LEARN ABOUT DEBIAN

macping

MACPING(1)						      General Commands Manual							MACPING(1)

NAME

       macping - A tool for pinging other RouterOS or mactelnetd devices

SYNOPSIS

       mactelnet [options] <MAC-Address|hostname>

DESCRIPTION

       This  tool  enables  you to ping other RouterOS or MAC-Telnetd enabled devices. You can ping either a hostname or a MAC address.  If speci-
       fied, the hostname (identity) will be looked up via MNDP discovery.

OPTIONS

       These programs follow the usual GNU command line syntax.  A summary of options is included below.

       -f     Fast mode, do not wait before sending next ping request. The next ping will be sent immediately when the last ping is received. This
	      cannot be used with -c 0

       -s     Specify the amount of bytes to send in each ping packet, up to ~1400 bytes.

       -c     Number of packets to send before exiting. A value of 0 means unlimited packets and the tool must be exited with Control + C.

       -h     Show summary of options.

       -v     Show version of program.

SEE ALSO

       mndp(1), mactelnet(1), mactelnetd(1).

AUTHOR

       macping was written by Hakon Nessjoen <haakon.nessjoen@gmail.com>.

       This manual page was written by Hakon Nessjoen <haakon.nessjoen@gmail.com>, for the Debian project (and may be used by others).

								 February 27, 2011							MACPING(1)
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