Date: Thu, 15 Feb 1996 10:34:34 -0700 From: Nate Williams <nate@sri.MT.net> To: michael butler <imb@scgt.oz.au> Cc: nate@sri.MT.net (Nate Williams), stable@freebsd.org Subject: Re: arp and async problems Message-ID: <199602151734.KAA29970@rocky.sri.MT.net> In-Reply-To: <199602151723.EAA08635@asstdc.scgt.oz.au> References: <199602151714.KAA29800@rocky.sri.MT.net> <199602151723.EAA08635@asstdc.scgt.oz.au>
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> > > i) with whatever recently changed in the arp code, I now get a stream of
> > > error messages every 30 seconds when gated wants to advertise routes.
Garrett usually responds to folks having problems with this, but...
> iii) the aliases are added in /etc/netstart immediately after the initial
> ifconfig with ..
>
> ifconfig ep0 inet 202.12.127.<pick-a-number> alias netmask 255.255.255.255
>
> .. none of them fall within the primary network's subnet (i.e. it primary
> address is .70, it has aliases from 225 through 238 of which only the first
> six are accessible to the outside world).
Um, is this legal? I don't think so.
> iv) attempts at installing a proxy arp ("arp -s <address> <ether> pub") fails
> with "not an 802 interface" or something similar. Leaving off the "pub"
> yields something like "cannot set arp for <address>"),
Which is because those addresses don't have a subnet which arp can
publish the entries on.
I think you are doing something that worked in 2.1, but was illegal and
is no longer allowed.
This comment from /sys/netinet/in.c might be of interest:
revision 1.14.4.2
date: 1996/01/30 21:41:34; author: davidg; state: Exp; lines: +8 -2
Brought in change from rev 1.21: fix for aliases & all-ones netmasks.
Nate
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