IP alias Networking Errors.

[Andy Farkas]

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 at speednet.com.au

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