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The host name for your address is not known
- Thread starter ejmilne
- Start date
Hi emma
Host address resolution problem does exist in your case.
Did you check /etc/netsvc.conf file?
see the entry :
hosts=local,bind(default)
You have to change this sequence accordingly...primarily..
Then we think about other entities
I think ...u know about the significance of thi file..if not let me know...I will explain in later post
Are you using /etc/hosts or DNS or NIS for hosts vs ip address database
sushveer
IBM certified specialist-p-series AIX5L System Administration
AIX/SOLARIS/WEBSPHERE-MQ/TIVOLI Administrator
Host address resolution problem does exist in your case.
Did you check /etc/netsvc.conf file?
see the entry :
hosts=local,bind(default)
You have to change this sequence accordingly...primarily..
Then we think about other entities
I think ...u know about the significance of thi file..if not let me know...I will explain in later post
Are you using /etc/hosts or DNS or NIS for hosts vs ip address database
sushveer
IBM certified specialist-p-series AIX5L System Administration
AIX/SOLARIS/WEBSPHERE-MQ/TIVOLI Administrator
- Thread starter
- #3
Hi Sushveer,
I have a netsvc.conf file on the source system and it has:
"hosts=local" only in it.
The target server does not have a netsvc.conf file - should it have one?
We are not using DNS - we use the /etc/host file for IP address resolution...
I've tried doing an NS lookup but it just hangs because we have no nameserver specified in the adapter setup....
Do you know if rcp is possible if you are not using DNS?
Emma
I have a netsvc.conf file on the source system and it has:
"hosts=local" only in it.
The target server does not have a netsvc.conf file - should it have one?
We are not using DNS - we use the /etc/host file for IP address resolution...
I've tried doing an NS lookup but it just hangs because we have no nameserver specified in the adapter setup....
Do you know if rcp is possible if you are not using DNS?
Emma
- Thread starter
- #5
Hi,
Yes, I can ping the remote server with no problem.
Its very strange because I can rcp one way ie: server1 -> server2 but not the reverse ie server2-> server1!
Server 2 has 2 lan cards in it - I am wondering if this has something to do with it, although I have put both IP's in the host files.
Thanks,
Emma
Yes, I can ping the remote server with no problem.
Its very strange because I can rcp one way ie: server1 -> server2 but not the reverse ie server2-> server1!
Server 2 has 2 lan cards in it - I am wondering if this has something to do with it, although I have put both IP's in the host files.
Thanks,
Emma
hi,
the host in which you enter the command, knows all about
the other. ( translates hostname in ip, using some method)
The target host, receives remote command: it returns the error to the sender.
If you telnet to host2 (the rsh target) and ping host1 (the rsh sender), what answer you receive ?
1) no answer
2) host1 responds
3) host1 responds with host1.yourdomain
The netsvc.conf needs to say which priority server has to use to resolve names
hosts=local,bind,nis
means:
first go in /etc/hosts, if not askto nameserver, if not to YellowPage (nis) domain
If your target host has "hosts=local", it does not use, for
name resolution, DNS neither NIS: put host1 in its /etc/hosts
bye
the host in which you enter the command, knows all about
the other. ( translates hostname in ip, using some method)
The target host, receives remote command: it returns the error to the sender.
If you telnet to host2 (the rsh target) and ping host1 (the rsh sender), what answer you receive ?
1) no answer
2) host1 responds
3) host1 responds with host1.yourdomain
The netsvc.conf needs to say which priority server has to use to resolve names
hosts=local,bind,nis
means:
first go in /etc/hosts, if not askto nameserver, if not to YellowPage (nis) domain
If your target host has "hosts=local", it does not use, for
name resolution, DNS neither NIS: put host1 in its /etc/hosts
bye
rzs0502
IS-IT--Management
- Nov 18, 2002
- 708
Found this on a site (similar to your problem)
Finally the problem can be solved. This server shhp8101 is using 2 lancards both in the same subnet 155.124.11.0. Both lancards are lan1 (155.124.11.18) and lan0 (155.124.11.22). From netstat -i I got output that most of the packets is using lan1. And alot of packets still queue there. So I just put entry "155.124.11.22 shhp8101" into /etc/hosts on etsp0001, so rcp will be using lan0. It's working well now.
Finally the problem can be solved. This server shhp8101 is using 2 lancards both in the same subnet 155.124.11.0. Both lancards are lan1 (155.124.11.18) and lan0 (155.124.11.22). From netstat -i I got output that most of the packets is using lan1. And alot of packets still queue there. So I just put entry "155.124.11.22 shhp8101" into /etc/hosts on etsp0001, so rcp will be using lan0. It's working well now.
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