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Date: Sun, 25 May 2003 12:21:12 +1000 (EST)
From: Andy Farkas <andyf@speednet.com.au>
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To: Grant Peel <grant@thenetnow.com>
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Subject: Re: IP alias Networking Errors.
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On Sat, 24 May 2003, Grant Peel wrote:

> fxp0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
>         inet 65.39.193.154 netmask 0xfffffff0 broadcast 65.39.193.159
>         inet 65.39.193.155 netmask 0xffffffff broadcast 65.39.193.155
>         inet 65.39.193.156 netmask 0xffffffff broadcast 65.39.193.156
>         inet 65.39.193.157 netmask 0xffffffff broadcast 65.39.193.157
>         inet 216.187.107.125 netmask 0xffffffff broadcast 216.187.107.125
>         inet 216.187.107.126 netmask 0xffffffff broadcast 216.187.107.126
>         inet 216.187.107.123 netmask 0xffffffff broadcast 216.187.107.123
>         inet 216.187.107.124 netmask 0xffffffff broadcast 216.187.107.124
>         ether 00:06:5b:ee:40:32
>         media: Ethernet autoselect (100baseTX <full-duplex>)
>         status: active
...
> When the next group of IP were assigned to me, and I set them as aliases on
> this machine, thats when I started getting the errors.

When you add aliases for a different subnet, the netmask should be the
proper one for the subnet ie. netmask 0xfffffff0.

--

 :{ andyf@speednet.com.au

        Andy Farkas
    System Administrator
   Speednet Communications
 http://www.speednet.com.au/