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From: Terry Zink <tzink@metrocon.com>
Organization: Metrocon Communications
To: "Lavender, Ben" <LavenderB@nctldno.navy.mil>
Subject: Re: interface aliases and routing
Date: Mon, 2 Jul 2001 11:12:10 -0400
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Hrm. I believe if I;m not mistaken, that aliases on the nic need to have a 
netmask of 255.255.255.255 .. At least, that is what I need to do.  Might 
wish to try that.  


On Monday 02 July 2001 10:42, you wrote:
> I have a FreeBSD 4.2 box currently running.  Im trying to get interface
> aliases to work properly without much success.
>
> While I seemingly get the interface configured properly, I can't
> communicate with different subnets.  The interface and the alias can both
> communicate with other machines on the same subnet, but only the 'primary'
> address (in this case, 1.72) will talk with other subnets.
>
> any ideas/information required?
>
> ifconfig:
> xl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> 	inet6 fe80::210:5aff:fe28:ca1f%xl0 prefixlen 64 scopeid 0x1
> 	inet 164.229.1.72 netmask 0xffffffc0 broadcast 164.229.1.127
> 	inet 164.229.1.74 netmask 0xffffffc0 broadcast 164.229.1.127
> 	ether 00:10:5a:28:ca:1f
> 	media: autoselect (100baseTX <full-duplex>) status: active
> 	supported media: autoselect 100baseTX <full-duplex> 100baseTX
> 10baseT/UTP <full-duplex> 10baseT/UTP 100baseTX <hw-loopback>
> lp0: flags=8810<POINTOPOINT,SIMPLEX,MULTICAST> mtu 1500
> faith0: flags=8000<MULTICAST> mtu 1500
> gif0: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
> gif1: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
> gif2: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
> gif3: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
> lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
> 	inet6 fe80::1%lo0 prefixlen 64 scopeid 0x8
> 	inet6 ::1 prefixlen 128
> 	inet 127.0.0.1 netmask 0xff000000
> ppp0: flags=8010<POINTOPOINT,MULTICAST> mtu 1500
> sl0: flags=c010<POINTOPOINT,LINK2,MULTICAST> mtu 552
>
>
>
> Ben Lavender
> System Administrator, Newsouth Communications
> NCTAMS LANT DET NOLA

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-- 
Regards,

Terry Zink
System Administrator
Metrocon Communications
Phone: (212) 661-6800 x 1553

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