Gentoo Archives: gentoo-user

From: "J. Roeleveld" <joost@××××××××.org>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Multiple addresses/routes for one ethernet card possible?
Date: Sat, 24 Oct 2020 16:42:25
Message-Id: 1191E022-431A-46D9-8700-1168C0FBB189@antarean.org
In Reply to: [gentoo-user] Multiple addresses/routes for one ethernet card possible? by Walter Dnes
1 On 24 October 2020 06:55:54 CEST, Walter Dnes <waltdnes@××××××××.org> wrote:
2 > After an outage on VDSL last month, I got a backup 10/1 cable
3 >subscription backup. Switching is a bit of a hassle. In addition to
4 >swapping cables, I have to run dhcpcd as root or sudo when swithching
5 >from VDSL to cable. Switching back I have to run "dhcpcd -x", copy
6 >over
7 >my backup of /etc/resolve.conf, and run "/etc/init.d/net.eth0 restart".
8 >
9 > The VDSL router/modem offers dhcp and static address space at
10 >192.168.1.0/24, DNS and default GW 192.168.1.1. I've bought a router
11 >that gets a WAN address from the cable modem via dhcpcd, and offers
12 >dhcp
13 >and static address space at 192.168.10.0/24, DNS and default GW
14 >192.168.10.1. My current /etc/conf.d/net is...
15 >
16 >mtu_eth0="1466"
17 >config_eth0="
18 >192.168.1.249/24 broadcast 192.168.1.255"
19 >routes_eth0="
20 >default via 192.168.1.1 metric 20
21 >192.168.1.240/28 via 192.168.1.1 metric 0"
22 >
23 >...for my machine 192.168.1.249. Can I have something like...
24 >
25 >mtu_eth0="1466"
26 >config_eth0="
27 >192.168.1.249/24 broadcast 192.168.1.255
28 >192.168.10.249/24 broadcast 192.168.1.255"
29 >routes_eth0="
30 >default via 192.168.1.1 metric 20
31 >192.168.1.240/28 via 192.168.1.1 metric 0"
32 >
33 >... and how would I tweak the last two lines to work without changes
34 >each time I switch between VDSL (192.168.1.1) and cable (192.168.10.1)
35 >?
36
37 There are routers that support multiple WAN connections, removing the need to do this yourself.
38
39 Alternatively, get a simple PC with multiple network cards to act as the router.
40
41 --
42 Joost
43 --
44 Sent from my Android device with K-9 Mail. Please excuse my brevity.