Gentoo Archives: gentoo-user

From: Mick <michaelkintzios@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Re: [SOLVED] What happened to my 2nd eth0?
Date: Fri, 27 Feb 2015 06:29:23
Message-Id: 201502270629.12085.michaelkintzios@gmail.com
In Reply to: Re: [gentoo-user] Re: [SOLVED] What happened to my 2nd eth0? by Walter Dnes
1 On Thursday 26 Feb 2015 18:57:44 Walter Dnes wrote:
2 > Let's forget about additional routes with different metrics, and try
3 > to get the simplest case working, and move forward from there. If I have
4 > /etc/conf.d/net as...
5 >
6 > modules=( "!iproute2" ) <== Delete this for iproute2 usage ==
7 > config_eth0="
8 > 192.168.123.251/29 broadcast 192.168.123.255
9 > 169.254.1.1/16 broadcast 169.254.255.255"
10 > routes_eth0="
11 > default via 192.168.123.254
12 169.254.0.0/16 via 169.254.1.1" <==Add this route for 169.254.0.0/16==
13
14 or if your router can route packets for the 169.254.0.0/16 subnet (I doubt it)
15 then change it to:
16
17 169.254.0.0/16 via 192.168.123.254
18
19
20 > I'm still trying to wrap my brain around how the ADSL router decides
21 > whether to look for 169.254.0.0/16 on the ethernet cable to the TV tuner
22 > rather than on the phone line going to my ISP, and then the world.
23
24 If the router has link-local configured it should be able to communicate with
25 other devices in the same 169.254.0.0/16 subnet. However, I doubt that it
26 will be NAT-ing packets to this subnet, because it is meant for ad-hoc device-
27 to-device connections when there is no DHCP server in the local network.
28
29 Have a look at the router's route and arp tables to see what it does on this
30 matter.
31
32 --
33 Regards,
34 Mick

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