Well we are running all registered IPs so I would not need to bother with
masquerading. I have setup a linux firewall a while back, so I guess I would
just need to use IPChains to forward the packets from eth0 to eht1, correct?
Garl
Cory Petkovsek wrote:
> Oh yes, the docs:
>
> IP-Masquerade-Howto
> Firewall-Howto
> IPChains-Howto
>
> You'll also need to either learn ipchains, or get an rc.firewall script to
> properly configure ipchains for masquerading. Search google.com or
> freshmeat for rc.firewall, or firemasq.
>
> I have a pentium 75, 48mb memory, running 2 3com 905b/c 10/100 nics, serving
> our 256k dsl line, firewall, dhcp, and dns, and email filter. I'm planning
> on swapping out those expensive nics, and putting in some cheaper ones.
>
> Cory
>
> -----Original Message-----
> From: Garl R. Grigsby [mailto:[EMAIL PROTECTED]]
> Sent: Friday, January 19, 2001 3:55 PM
> To: eug-lug
> Subject: [EUG-LUG:386] Networking woes.
>
> I need some advise. I know that there is a lot of networking
> experience floating around this group, so I am hoping somebody can help
> me.
> My office currently has a T1 link to our main office. over the last
> couple of months the usage of this link has steadily increased to the
> point where we are running out of bandwidth, which is causing problems
> for several apps that need a full time connection to our main office.
> The problem is that nobody will admit to being the bandwidth hog. I have
> looked at using apps such as Ethereal and Sniffer Lan but all of our
> network is all run off of switches which, as I understand it, makes
> these devices almost useless.
> My idea is to build a dual nic'd linux box and connect it between
> our top level switch and our wan router. With this setup I should be
> able to see all of the network traffic that is traveling across the wan
> link, right?
> Now for my questions. Will this setup work? What will I have to
> setup to forward the traffic from one nic to the other, and still have
> ethereal see the traffic. Also how much of a machine will I need for
> this? Currently I am looking at using a Pentium Pro 200 with 128 MB of
> ram. Does anybody know of a package that would generate a html page of
> the T1 usage? Has anybody done this before?
>
> Thanks all,
> Garl
>
> --
> ============================================================================
> =
>
> Garl R. Grigsby
> Senior Customer Applications Engineering - Analysis Team
> ----------------------------------------------------------------------------
> -
>
> Structural Dynamics Research Corporation Phone: (800)242-7372
> TAO Americas Support Center FAX: (541)342-8277
> 1750 Willow Creek Circle Email:
> [EMAIL PROTECTED]
> Eugene, OR 97402 Internet:
> http://www.sdrc.com
> ============================================================================
> =
>
> -FEA makes a good engineer great, and a poor engineer dangerous-
> ============================================================================
> =
>
> PGP ID: 0xF2D845E7
> PGP Fingerprint: 9C40 CB5E 1C51 CF58 E3F9 3F2C 8F1F F3EF F2D8 45E7
> ============================================================================
> =
--
=============================================================================
Garl R. Grigsby
Senior Customer Applications Engineering - Analysis Team
-----------------------------------------------------------------------------
Structural Dynamics Research Corporation Phone: (800)242-7372
TAO Americas Support Center FAX: (541)342-8277
1750 Willow Creek Circle Email: [EMAIL PROTECTED]
Eugene, OR 97402 Internet: http://www.sdrc.com
=============================================================================
-FEA makes a good engineer great, and a poor engineer dangerous-
=============================================================================
PGP ID: 0xF2D845E7
PGP Fingerprint: 9C40 CB5E 1C51 CF58 E3F9 3F2C 8F1F F3EF F2D8 45E7
=============================================================================
