..
post-up ip addr add a.b.c.d dev eth0
pre-down ip addr del a.b.c.d dev eth0
With other methods of network configuration, you’ll need to figure out how they
handle the same thing.
Simon
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ISC funds the development of this software with paid support subscriptions.
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s, and their
promises of “!just tell us any changes and we’ll do them turned out to be empty
once past the initial setup :-(
So I think easiest way to make it work is to reconfigure BIND with the 64 /24
zones that make up 10.40.128.0/18 - i.e. 128.40.10.in-addr.arpa,
129.40.10.in-addr.arpa, etc. Things
- except perhaps
some very ancient technology known as a piece of clue-by-four
(http://www.catb.org/jargon/html/C/clue-by-four.html) :D So many times one’s
mind is quietly saying “if only we could and get away with it ...”
Simon
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quot;
},
{
... more reservations
} ]
}
And if there’s no dynamic clients at all, then you could delete the pool
section altogether. It’s a matter for you and the rest of the business to
determine if there’s a case for keeping a very small pool (with suitably s
u have a network
team that doesn’t like to co-operate for the benefit of the business. That’s
going to be a never ending source of “interesting times”.
Simon
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re is a client network with “many” relays on it; or many client
networks with one or two relays on each, but the relay addresses are not part
of the client subnet ?
If it’s the latter, then this is a “very poor” network config and not compliant
with how things are supposed to work.
Some mo
follow the
normal lease lifecycle.
AIUI, reservations in Kea are more akin to leases marked reserved with dhcpd -
where the problem would be found.
Simon
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“click here to remove the lease” when
they are altering the reservation details.
Simon
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if you have no locally
connected clients and want packets to pass through a firewall then use UDP.
Also, looking at
https://kea.readthedocs.io/en/kea-2.2.0/arm/dhcp4-srv.html#dhcp4-subnet-selection
it seems fairly clear that you don’t need to tie subnets to interfaces in the
confi
pfsense (I assume it’s doing your routing) running on this box or a
different one ? If it’s on a different box then all you’ll need to do is
configure the relay agent and remove the interface from the DHCP server. If
it’s on the same box, then things get a bit more “interesting”. Can you answ
viour, right ?
As mentioned above, the ISC DHCP server has the same problem in the IPv4 world.
Simon
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ctive connections would drop, but new ones
would connect just fine once the new settings are in place.
Simon
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ne
single prefix on a link then you’ll find DHCP working more or less the same for
IPv6 as it did for IPv4 - except for support of more than one address being
allocated.
I have no intention of investing any more time in this thread unless you choose
to accept advice and be civil.
Simon
--
very useful unless
the rest of the network knows how to reach that prefix. But even where there
isn’t any routing involved, you still need RAs to tell devices what prefix(es)
are available.
Simon
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itten,
there is some stuff in there which you should find helpful. It’s written by
people who really do know IPv6 and have mostly been involved in it’s design
over the years.
Simon
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ordingly -
ULA for communications with other ULA addresses, GUA for everything else.
Simon
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"pools": [ { "pool": "X.X.X.4 – X.X.X.254" } ],
> "option-data": [ { "name": "routers", "data": "X.X.X.1" } ],
> "client-class": "HA_dhcp-1"
>
systemd
target. I'm using the ubuntu packages on 20.04.
Simon
--
Simon Brown
System Engineer EISCAT Scientific Association
P. O. Box 812, SE-981 28 Kiruna, Sweden simon.br...@eiscat.se
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lt' what the rest of the code
seems to expect.
Simon
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