From: Bakul Shah <bakul@bitblocks.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] VMware: Can't use DNS because cs fails?
Date: Mon, 24 Jun 2013 10:39:17 -0700 [thread overview]
Message-ID: <98EDDBAD-FADF-4594-B1AF-98506DD191A7@bitblocks.com> (raw)
In-Reply-To: <47321d0ab055389a9d08b8a0d2440ca6@lyons.quanstro.net>
On Jun 24, 2013, at 6:07 AM, erik quanstrom <quanstro@quanstro.net> wrote:
>> Looking in /net/ndb, my network looks like this:
>>
>> ip=127.0.0.1 ipmask=/104 ipgw=::
>> sys=gnot
>> sys=gnot
>> dom=gnot.localdomain
>> dns=192.168.220.2
>>
>> I don't know if that's correct.
>
> i think this is the issue. if the ip network is 127.0.0.1/104,
> then the gateway (:: = 0:0:0:0:0:0:0:0) is not on the
> same network. so 192.168.220.2 can't be reached.
/104 mask for IPv4 doesn't make sense. Can be at most /32.
> by the way, for reasons that escape me, 127.0.0.1 has
> a mask of /8. not sure why the local host needs 16777214
> ip addresses.
See rfc1122 - the host requirements rfc - it documented existing practices (as of 1989). Probably because it was quicker to look up in the days of class based addressing, when 32 bit addressing was considered plentiful. 127.x.x.x is a class A address.
next prev parent reply other threads:[~2013-06-24 17:39 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-24 9:09 Ilmari Vacklin
2013-06-24 13:07 ` erik quanstrom
2013-06-24 17:39 ` Bakul Shah [this message]
2013-06-24 18:18 ` [9fans] VMwaCan't " Ilmari Vacklin
2013-06-24 19:46 ` erik quanstrom
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