RE: Today's Brain Teaser.

[Raymond Leach <raymondl@knowledgefactory.co.za>]

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On Wed, 2003-03-12 at 11:20, Jonathan Humphrey wrote:
> As a company we have two t1's (greedy i know!)
> 
> the aaa.aaa.aaa.aaa address range is the external address's for one T1
> xxx.xxx.xxx.xxx is the address range for the other T1
> 
How does the xxx.xxx.xxx.xxx connect to the linux router? eth1:1? Or are
the two t1's connected to the router (something like a Cisco 2501)? If
that's the case, then I would check the routing tables (and interfaces)
on the router first ...

> Does that make sense!
> 
> -----Original Message-----
> From: Raymond Leach [mailto:raymondl@knowledgefactory.co.za]
> Sent: 12 March 2003 09:09
> To: Netfilter Mailing List
> Subject: Re: Today's Brain Teaser.
> 
> 
> On Wed, 2003-03-12 at 10:35, Jonathan Humphrey wrote:
> > I've been struggling with this one for some time, i am currently at
> > the end of my teather so if anyone has any great ideas about why
> this
> > happens let me know.
> >  
> > Basically, i have a linux server that has three interfaces;
> >  
> >     eth1          aaa.aaa.aaa.202        External Facing network
> >     eth0          bbb.bbb.bbb.254        Internal protected network
> >     eth1:0       aaa.aaa.aaa.197        External IP Address for
> > FTPServer
> >  
> > I have a device that sits on xxx.xxx.xxx.5 that cannot get to any
> > service on aaa.aaa.aaa.197, however every other ip address i have
> > tried can.  I suspect that if i release the real ip address of
> > aaa.aaa.aaa.197 then everyone reading this list could too.
> >  
> > And it's on the .5 address, if i try from xxx.xxx.xxx.15 i can
> > connect.
> Where is xxx.xxx.xxx.5? Is it on the internal or external network?
> 
> >  
> > Nothing is being show as dropped in the logs either.    
> >  
> > Thanks,
> >  
> > Jonathan Humphrey
> >  
> > 
> >
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