loopback address

All topics related to Software & Operating systems
CJGREEN

loopback address

Postby CJGREEN » Thu Oct 25, 2001 20:14

on loading some software that requires the cpu address, a error message stated that the<BR>OEMComputor appears to have the loopback address 127.0.0.1 as IP adress.<BR>This may imply that the processes on OEM computor may not be able to connect to the non-local processes.<BR>WHAT does all that mean?

Igor Sobrado

Re: loopback address

Postby Igor Sobrado » Fri Oct 26, 2001 8:26

<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by CJGREEN:<BR><B>on loading some software that requires the cpu address, a error message stated that the<BR>OEMComputor appears to have the loopback address 127.0.0.1 as IP adress.<BR>This may imply that the processes on OEM computor may not be able to connect to the non-local processes.<BR>WHAT does all that mean?</B><HR></BLOCKQUOTE><P>Hello!<P>The loopback addresses (all the addresses in the range 127/8) are a useful threat to avoid the development of both networking and non-networking releases of the programs. In fact, the loopback addresses are used to run network-oriented software on non-networked workstations without changing the source code of the applications.<P>The software you are using requires the IP address of your workstation/server. And, for the description you have provided in the first post, it will require a real IP address because it will look for non-local processes. I see some posibilities:<P>(1) If the computer is not connected to a TCP/IP network it is possible for it to have only a loopback address (check the Internet routing table of your computer using the command 'netstat -nr'). In this case, you can reconfigure the workstation trying to assign a private IP address to it (for example, something in the range 10/8, 172.16/12 or 192.168/16, as defined in [RFC 1918]).<P>(2) If it is networked and has its own IP address, provide the IP address to the program instead of the computer name. It is possible that an error in the configuration makes a loopback address to appear as the IP address of your node. In this case, you can check the host name database (/etc/inet/hosts in SVr4.x Unix flavours) to correct it.<P>I hope that this post will help you a bit!<P>Igor.<P>-- <BR>Igor Sobrado, UK34436 - sobrado@acm.org


Return to “Software & Operating systems (archive)”

Who is online

Users browsing this forum: No registered users and 2 guests

cron