Hello
   I tried that and here is what happens I am still scratching my head 
on this one .

rc.conf snipet

ifconfig_fxp0="209.18.118.10 netmask 255.255.255.0"
ifaliases_fxp0="209.18.118.11 -"
ifaliases_fxp0="209.18.118.12 -"


I then restart networking and this is what I get

jury# /etc/rc.d/network restart
Stopping network.
Deleting aliases.
ifconfig: SIOCDIFADDR: Can't assign requested address
Downing network interfaces: fxp0.

ifconfig -a shows me this

fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        address: 00:05:82:10:00:eb
        media: Ethernet autoselect (100baseTX full-duplex)
        status: active
        inet 209.18.118.10 netmask 0xffffff00 broadcast 209.18.118.255
        inet alias 209.18.118.12 netmask 0xffffff00 broadcast 209.18.118.255
        inet6 fe80::205:82ff:fe10:eb%fxp0 prefixlen 64 scopeid 0x1



Juergen Hannken-Illjes wrote:
> On Tue, Apr 04, 2006 at 11:39:17AM -0400, Mark Saad wrote:
>   
>> Hello All,
>> I was looking to see if someone could shed some light on an rc.conf 
>> issue. How do you properly add aliased IPs .  The rc.conf way does not 
>> appear to work for me. I am using a fxp card .
>>
>>
>> The NetBSD rc.conf way
>>
>> ifaliases_${INTERFACE}="${ALIASED_IP} netmask -"
>>     
> [snip]
>
> man rc.conf gives:
>
>     ifaliases_*     A string.  List of `address netmask' pairs ...
>
> You should try "ifaliases_${INTERFACE}="${ALIASED_IP} -" without the
> "netmask" keyword.
>
>   


-- 
Mark Saad
nonesuch@bad-apples.org