RE: one external IP to multiple internal IPs? Ideas?

["Stone, Brad V (TC)" <bvstone@xxxxxxxxxxxxxx>]

But the guys that have the router say I can't map more than one internal IP
to one external IP.

Brad

> -----Original Message-----
> From: Chris Bipes [mailto:rpg@cross-check.com]
> Sent: Monday, May 08, 2000 12:52 PM
> To: 'MIDRANGE-L@midrange.com'
> Subject: RE: one external IP to multiple internal IPs? Ideas?
> 
> 
> Look like the best approach to me.  You may also want to bind this IP
> address to one particular interface if you have more than one 
> on the system.
> I prefer to have internal telnet to one IP and interface and the
> web/mail/... to other IPs and interface.  This can be in 
> different subnets
> and different physical switches, hub and routers as well.
> 
> Christopher K. Bipes   mailto:ChrisB@Cross-Check.com
> Sr. Programmer/Analyst         mailto:Chris_Bipes@Yahoo.com
> CrossCheck, Inc.       http://www.cross-check.com
> 6119 State Farm Drive  Phone: 707 586-0551 x 1102
> Rohnert Park CA  94928 Fax: 707 586-1884
> 
> If consistency is the hobgoblin of little minds, only 
> geniuses work here.
> Karen Herbelin - Readers Digest 3/2000
> 
> 
> -----Original Message-----
> From: Stone, Brad V (TC) [mailto:bvstone@taylorcorp.com]
> Sent: Monday, May 08, 2000 8:30 AM
> To: 'MIDRANGE-L@midrange.com'
> Subject: one external IP to multiple internal IPs? Ideas?
> 
> 
> I am looking for ideas.
> 
> We have an As/400 that we are using for web serving.  Our 
> network group has
> a router set up to route requests to it.
> 
> This server will be serving multiple companies for customer 
> service.  What I
> would like to do ideally is set up an instance for each company (using
> BindSpecific) so that each of them can run in seperate jobs.  
> Also, logging
> seperately is another reason I want to do this.
> 
> What we plan on doing is making a subdomain for the companies 
> that will
> route these requests to the AS/400.  For example, 
> company1.com will have a
> subdomain of cso.company1.com that will be routed a 
> particular external IP
> address, then routed to the AS/400.
> 
> Our network guys tell me they can only route IPs on a one to 
> one basis, so
> to run multiple servers I would need an external IP for each company.
> 
> So, here's what I want..
> 
> URL                 Ext. IP      AS/400 IP
> cso.company1.com -> 218.1.1.2 -> 172.25.6.1
> cso.company2.com -> 218.1.1.2 -> 172.25.6.2
> etc.. 
> etc..
> 
> Does anyone else have any better ideas?  I know I can use 
> virtual hosts and
> one IP address, but like I said, I'd rather keep them seperate.
> 
> Brad> 
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