On Thu, 18 Jan 2001, you wrote:
> Greetings all!
>
> I am having a problem with Redhat 6.2 routing the connection to my LAN.
>
> I was recently placed on what my ISP calls a "routed connection", rather
> than a connection using a DSL modem.
>
> I was using my Linux box to monitor & log traffic, use ipchains, and several
> other functions, in addition to
> being my network's primary router. Now that my connection has been changed
> on the ISP's end, they require that I use an actual router to connect to
> the DSL line. In an attempt to facilitate the continued use of my linux box
> as a traffic
> monitor, the ISP created a new additional network for me that has two usable
> addresses.
>
> The current setup is as follows:
>
> Internet --> DSL Port on Router --> Ethernet port on router --> Outside NIC
> on Linux Box --> Inside NIC & Private LAN
>
> |----------------------------------------------------|
> |-----------------------|
> New subnet - 2 IP's
> Old subnet, 16 IP's
>
>
> To me, and to my ISP, and several others I have discussed this with, it
> seems as though it should work perfectly.
> The subnets are different between the router & the ISP, and between the
> inside & outside NIC's on the linux box.
>
Unless that's a TOTAL of 4 IPs on the new subnet, (broadcast, network, and 2
"useable" IPs) it won't work. You need to have a broadcast & network addresses
as well as the gateway and 1 "machine" address.
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