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Subject: Re: [9front] non-9front dhcp server -> /lib/ndb/local ignored?
From: arisawa <arisawa@ar.aichi-u.ac.jp>
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Date: Tue, 29 Dec 2015 09:20:35 +0900
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hello,

sorry if I misunderstand what you said.

I have cpu server and auth server which I want to use from both home and =
internet.
those names are:
(1) hebe (or hebe.local) in home and hebe.nyx.link from internet
(2) grid (or grid.local) in home and grid.nyx.link form internet

I have plan9 terminal on virtualbox on macbook.
that is, I use the terminal in two types of environment.
(a) local wifi in my home with plan9 based DHCP and DNS.
(b) mobile router wifi with mobile ISP based DHCP and DNS.

of course we need fqdn in accessing from internet.
however /lib/ndb/local is not ignored.

the relevant parts of /lib/ndb/local of the terminals and servers are =
like this:

dom=3Dnyx.link
	auth=3Dhebe.nyx.link

dom=3Dlocal soa=3D
	refresh=3D3600 ttl=3D3600
	ns=3Dhebe.loca
	auth=3Dhebe

ipnet=3Dlocal ip=3D192.168.0.0 ipmask=3D255.255.255.0
	ipgw=3D192.168.0.1
	proto=3Dtcp
	ntp=3Dntp.jst.mfeed.ad.jp
	auth=3Dhebe
	fs=3Dhebe
	dns=3Dhebe
	dnsdomain=3Dlocal

[snip]

sys=3Dhebe
	dom=3Dhebe.local
	ether=3D6805ca0a0bf2
	ip=3D192.168.0.6
	ip=3D2402:6b00:22cd:bf80::6

sys=3Dgrid
	dom=3Dgrid.local
	ether=3D74d435876245
	ip=3D192.168.0.9
	ip=3D2402:6b00:22cd:bf80::9
	bootf=3D/amd64/9bootpxe		# 9front

[snip]


> 2015/12/29 5:34=E3=80=81sl@stanleylieber.com =E3=81=AE=E3=83=A1=E3=83=BC=
=E3=83=AB=EF=BC=9A
>=20
> At my job we have a free wifi access point that I connect
> to from 9front like this:
>=20
> 	; ip/ipconfig	# NOTE: DHCP server is not Plan 9.
>=20
> This gets me on the Internet. Everything works.
>=20
> Except, values configured in /lib/ndb/local all seem to
> be ignored. No sys=3D or auth=3D entries are recognized. In
> order to successfully cpu/import remote Plan 9 machines,
> I have to manually add auth=3D authdom=3D entries for the
> corresponding auth servers in /net/ndb, and then refer
> to them by the FQDNs.
>=20
> At home, I use an identical /lib/ndb/local. All home
> machines either PXE or TCP boot from the same file
> server where the ndb file is stored. All of these
> machines can successfully refer to local sys=3D entries,
> even those that are in separate ipnets.
>=20
> =46rom all of this, it seems like Plan 9 machines that get
> DHCP from a non-Plan 9 machine ignore /lib/ndb/local.
>=20
> What's going on?
>=20
> sl