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From: "David du Colombier" <0intro@gmail.com>
To: 9fans@9fans.net
Subject: Re: [9fans] IP routing problems on GCP
Date: Sun, 23 Aug 2020 19:40:15 +0200	[thread overview]
Message-ID: <cbb19eb0-9f69-475e-ba42-5f52f101bdd1@www.fastmail.com> (raw)
In-Reply-To: <CAFMepcn7ajD0py7foPnx-U4WUAFgtAnXNy_+5TxcNiCWA_GVGA@mail.gmail.com>

> I'm migrating my 9legacy machines to GCP but my auth/cpu servers can't
> get root from the fileserver.
> Is there someone that is using full system Plan 9 on GCP?

Yes, but only using a local file server. 
I've never tried to boot Plan 9 from a remote file server so far.

> Notes:
> - DHCP of VPC network on GCP sends ipmask=/32 options to that client.
> - If ipmask is /32 then ip/ipconfig ignores it.
> - Therefore each instance can't reach other instances in the same region.
> 
> In my experience, the communications works only if /net/ipifc is
> configured from /lib/ndb/local by ip/ipconfig -N, its ipmask is /20,
> and it is added to /net/iproute manually that the routes to other
> instances, but in this case, the cpu/auth servers couldn't reach to
> the fs because nothing to add the routes before getting root.

9legacy includes a patch that considers 32 mask as 0.

http://9legacy.org/9legacy/patch/ip-ipconfig-mask.diff

-- 
David du Colombier

  reply	other threads:[~2020-08-23 17:40 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-23 13:33 Kyohei Kadota
2020-08-23 17:40 ` David du Colombier [this message]
2020-09-01 10:08   ` [9fans] " Kyohei Kadota

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