Gentoo Archives: gentoo-user

From: Peter Humphrey <peter@××××××××××××.uk>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Re: Local mail server
Date: Wed, 29 Jul 2020 16:35:34
Message-Id: 2172548.ElGaqSPkdT@peak
In Reply to: Re: [gentoo-user] Re: Local mail server by antlists
1 On Wednesday, 29 July 2020 16:55:27 BST antlists wrote:
2
3 > I think there's static, and there's effectively static.
4 >
5 > If your router is running 24/7, then the IP won't change even if it's
6 > DHCP. But your router only needs to be switched off or otherwise off the
7 > network for the TTL (time to live), and DHCP will assign you a different
8 > IP when it comes back.
9
10 My ISP confirms that my addresses are static. Both IPv4 and IPv6. I don't pay
11 extra for static addresses, though I did have to request a v4 one some years
12 ago to avoid being blocked from this mail list.
13
14 > That's server-side configuration, so if the ISP doesn't elicitly
15 > allocate you an address in their DHCP setup, what you've got is
16 > effectively static not really static.
17 >
18 > But it really should be so damn simple - take the ISP's network address,
19 > add the last three octets of the customer's router or something like
20 > that, and there's the customer's network v6 assigned to the customer's
21 > router. One fixed address that won't change unless the customer changes
22 > router or ISP.
23
24 I don't recognise anything like that pattern in my addresses.
25
26 > I need to learn how v6 works ... :-)
27
28 Me too. I thought I was set up right, but I now doubt it.
29
30 --
31 Regards,
32 Peter.