05-07-2012
Quote:
Originally Posted by
herot
The only way the Unix boxes know names is through the hosts files. [...] Also,could you provide a more in depth explanation of the DNS conflict you speak of? Thanks.
With respect to your problem this is the same:
Host name resolution (regardless of being done with a
/etc/hosts file or DNS or whatever) basically is to specify a hostname and get a
distinct IP address back. If your local host name resolution answers for host A with a certain IP address and your dual-homed server gets another answer then it might be not able to address the other hosts correctly any more.
Still, this is speculation and in fact i (we, the readers here) don't know enough of your situation to efficiently help you. Time to correct this.
Please tell us about your setup (how the hosts communicate, which OS version (i suppose AIX, because you post here), etc.. Have you IP forwarding switched on or off on the multihomed system? What are the relevant parts of your /etc/hosts-file? What are the contents of
/etc/resolv.conf and
/etc/netsvc.conf? Do you have the
netcd (network caching daemon) active or not?
I hope this helps.
bakunin
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RLOGIN(1C) RLOGIN(1C)
NAME
rlogin - remote login
SYNOPSIS
rlogin rhost [ -ec ] [ -8 ] [ -L ] [ -l username ]
rhost [ -ec ] [ -8 ] [ -L ] [ -l username ]
DESCRIPTION
Rlogin connects your terminal on the current local host system lhost to the remote host system rhost.
Each host has a file /etc/hosts.equiv which contains a list of rhost's with which it shares account names. (The host names must be the
standard names as described in rsh(1C).) When you rlogin as the same user on an equivalent host, you don't need to give a password. Each
user may also have a private equivalence list in a file .rhosts in his login directory. Each line in this file should contain an rhost and
a username separated by a space, giving additional cases where logins without passwords are to be permitted. If the originating user is
not equivalent to the remote user, then a login and password will be prompted for on the remote machine as in login(1). To avoid some
security problems, the .rhosts file must be owned by either the remote user or root.
The remote terminal type is the same as your local terminal type (as given in your environment TERM variable). The terminal or window size
is also copied to the remote system if the server supports the option, and changes in size are reflected as well. All echoing takes place
at the remote site, so that (except for delays) the rlogin is transparent. Flow control via ^S and ^Q and flushing of input and output on
interrupts are handled properly. The optional argument -8 allows an eight-bit input data path at all times; otherwise parity bits are
stripped except when the remote side's stop and start characters are other than ^S/^Q. The argument -L allows the rlogin session to be run
in litout mode. A line of the form ``~.'' disconnects from the remote host, where ``~'' is the escape character. Similarly, the line
``~^Z'' (where ^Z, control-Z, is the suspend character) will suspend the rlogin session. Substitution of the delayed-suspend character
(normally ^Y) for the suspend character suspends the send portion of the rlogin, but allows output from the remote system. A different
escape character may be specified by the -e option. There is no space separating this option flag and the argument character.
SEE ALSO
rsh(1C)
FILES
/usr/hosts/* for rhost version of the command
BUGS
More of the environment should be propagated.
4.2 Berkeley Distribution May 12, 1986 RLOGIN(1C)