RE: [cobalt-users] RAQ1 urgent question: renumbering IPs

[Rickard Osser <ricky@xxxxxxxx>]

Actually if the netmask is 255.255.255.128 and the Net# is 165.90.27.128
then the broadcast address is 165.90.27.255...

Bets regards,

Rickard Osser
Manager
Osser Brosoft AB		Distributor of Cobalt Networks servers
Maria Bangata 6			Computer Consultants
S-118 63 Stockholm, Sweden	Networking, DOS/Win/Mac/Linux/Unix
Tel: +46-8-798 29 27		E-mail: ricky@xxxxxxxx
Fax: +46-8-668 89 10		WWW: http://www.brosoft.net

On Wed, 19 Jan 2000, ISP wrote:

> You're welcome. Had to do this twice in one month recently. I wish I could
> find a script that could do it but I'm no Perl whiz. It's tedious but if you
> make use of your shell history (arrow keys on keyboard)& backspace you can
> do it fairly quickly. I believe your Broadcast IP should be 216.218.208.254
> but check
> with your upstream provider..they should have supplied that info
> to you along with your netmask which should be 255.255.255.128 if you have
> 126 usable IP's.
> 
> -----Original Message-----
> From: cobalt-users-admin@xxxxxxxxxxxxxxx
> [mailto:cobalt-users-admin@xxxxxxxxxxxxxxx]On Behalf Of PowerClicks
> Sent: Wednesday, January 19, 2000 8:18 PM
> To: cobalt-users@xxxxxxxxxxxxxxx
> Subject: Re: [cobalt-users] RAQ1 urgent question: renumbering IPs
> 
> 
> Thank you for those helpful details... That's kind of what I suspected, got
> to edit all the files in /etc/sysconfig/network-scripts individually.
> 
> One last question in:
> 
> DEVICE=eth0:2
> IPADDR=165.90.27.133
> NETMASK=255.255.255.192
> NETWORK=165.90.27.128
> BROADCAST=165.90.27.191
> ONBOOT=yes
> ALIAS=yes
> BOOTPROTO=none
> 
> what is the BROADCAST IP? My new allocation is 216.218.208.128/25 (if that
> can be of help)
> 
> Again thank you very much.
> 
> Regards,
> 
> David
> 
> > From: "ISP" <isplists@xxxxxxxxxxxx>
> > Reply-To: cobalt-users@xxxxxxxxxxxxxxx
> > Date: Wed, 19 Jan 2000 19:58:46 -0600
> > To: <cobalt-users@xxxxxxxxxxxxxxx>
> > Subject: RE: [cobalt-users] RAQ1 urgent question: renumbering IPs
> >
> > Grep is a text pattern search tool, like a 'find' command but more
> powerful
> > and complex. That KB article was mainly aimed at renumbering a single
> site.
> > To use grep to find a single IP out of the dozens of ifcfg-ethX files you
> > would type:
> >
> > $root grep 216.125.250.1 **
> >
> > it would return this:
> >
> > ifcfg-eth0:IPADDR=216.125.250.1
> >
> > It probably is too much hassle to use grep for 38 sites if you've never
> used
> > grep before. You can do this with just a careful manual session with VI or
> > Pico. Go the /etc/sysconfig/network-scripts and you'll see 38 files named
> > like:
> > ifcfg-eth0
> > ifcfg-eth1
> > ifcfg-eth2
> >
> > These all correspond with your sites in the order that you added them. You
> > can look at /etc/httpd/conf/httpd.conf to see which ones go with witch
> site.
> >
> > Before you start editing them you should make backups.
> > Open the file in your editor and you'll see:
> >
> > DEVICE=eth0
> > IPADDR=216.125.250.1
> > NETWORK=216.125.250.0
> > NETMASK=255.255.254.0
> > BROADCAST=216.125.250.255
> >
> > Change the IP here and whatever else needs to be changed. Follow the rest
> of
> > KB article.
> >
> > Tony
> >
> >
> > -----Original Message-----
> > From: cobalt-users-admin@xxxxxxxxxxxxxxx
> > [mailto:cobalt-users-admin@xxxxxxxxxxxxxxx]On Behalf Of PowerClicks
> > Sent: Wednesday, January 19, 2000 7:16 PM
> > To: cobalt-users@xxxxxxxxxxxxxxx
> > Subject: [cobalt-users] RAQ1 urgent question: renumbering IPs
> >
> >
> > Hello,
> >
> > We have to modify the IPs of all the sites (38 sites) on a raq1 due to the
> > switch to a new IP allocation. Given the number of sites we cannot do this
> > using the "copy" method.
> > The knowledge base has a solution for this:
> > http://www.cobalt.com/support/kb/search.php3?ques=ip&qid=381&language=1
> >
> > There is one point I do not understand:
> > ----------
> > C. Go to the following directory and grep for the IP address:
> >
> > /etc/sysconfig/network-scripts/
> > ----------
> >
> > What does "grep for the IP address mean"???
> >
> > Any help would be greatly appreciated.
> >
> > Thanks!
> >
> >
> > _______________________________________________
> > cobalt-users mailing list
> > cobalt-users@xxxxxxxxxxxxxxx
> > http://list.cobalt.com/mailman/listinfo/cobalt-users
> >
> >
> > _______________________________________________
> > cobalt-users mailing list
> > cobalt-users@xxxxxxxxxxxxxxx
> > http://list.cobalt.com/mailman/listinfo/cobalt-users
> >
> 
> 
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