Gentoo Archives: gentoo-user

From: Neil Bothwick <neil@××××××××××.uk>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Re: losing network IP address
Date: Tue, 21 Mar 2017 22:18:11
Message-Id: 20170321221750.34ab80e6@digimed.co.uk
In Reply to: [gentoo-user] Re: losing network IP address by Kai Krakow
1 On Tue, 21 Mar 2017 20:25:18 +0100, Kai Krakow wrote:
2
3 > If it's systemd-networkd, you could check those logs after the problem
4 > occurred:
5 >
6 > # journalctl -b -u systemd-networkd.service | fgrep -i dhcpv4
7 >
8 > Apparently, it doesn't tell you what the DHCP server is by MAC address,
9 > but the reported "via" at least tells you the IP.
10 >
11 > It looks like this:
12 >
13 > Mar 17 19:21:33 jupiter systemd-networkd[680]: enp5s0: DHCPv4 address
14 > 192.168.4.102/24 via 192.168.4.254
15
16 That doesn't appear to be as helpful as you would think, I just tried it
17 and got
18
19 Mar 21 09:02:56 fenchurch systemd-networkd[495]: wlan0: DHCPv4 address
20 192.168.1.6/24 via 192.168.1.42
21
22 Which looks fine and 192.168.1.42 is the address of my router, but that
23 router is not my DHCP server. I double checked and
24
25 1) DHCP is turned off on the router
26 2) The dnsmasq log on my DHCP server box shows it issuing that address at
27 that time.
28
29
30 --
31 Neil Bothwick
32
33 Pedestrians come in two types: Quick or Dead.

Replies

Subject Author
[gentoo-user] Re: losing network IP address Kai Krakow <hurikhan77@×××××.com>