I did a fresh install of artful on a shuttle SZ170 with the following
ethernet adapters according to `lshw`:
*-network
description: Ethernet interface
product: I211 Gigabit Network Connection
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:03:00.0
logical name: enp3s0
version: 03
serial: 80:ee:73:c8:ec:1a
size: 1Gbit/s
capacity: 1Gbit/s
width: 32 bits
clock: 33MHz
capabilities: pm msi msix pciexpress bus_master cap_list
ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=igb
driverversion=5.4.0-k duplex=full firmware=0. 6-1 ip=192.168.0.14 latency=0
link=yes multicast=yes port=twisted
and
*-network
description: Ethernet interface
product: Ethernet Connection (2) I219-LM
vendor: Intel Corporation
physical id: 1f.6
bus info: pci@0000:00:1f.6
logical name: enp0s31f6
version: 31
serial: 80:ee:73:c8:ec:1b
size: 1Gbit/s
capacity: 1Gbit/s
width: 32 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list ethernet physical tp 10bt
10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=e1000e
driverversion=3.2.6-k duplex=full firmware=0.8-4 latency=0 link=yes
multicast=yes port=twisted pair speed=1Gbit/s
resources: irq:126 memory:df200000-df21ffff
I have dhclient and bind9 installed:
root@atlantis:~# dhclient --version
isc-dhclient-4.3.5
root@atlantis:~# dpkg --list|grep -i dhc
ii dnsmasq-base 2.78-1
amd64 Small caching DNS proxy and DHCP/TFTP server
ii isc-dhcp-client 4.3.5-3ubuntu2
amd64 DHCP client for automatically obtaining an IP address
ii isc-dhcp-common 4.3.5-3ubuntu2
amd64 common manpages relevant to all of the isc-dhcp packages
root@atlantis:~# dpkg --list|grep -i bind9
ii bind9-host 1:9.10.3.dfsg.P4-12.6ubuntu1
amd64 Version of 'host' bundled with BIND 9.X
ii libbind9-140:amd64 1:9.10.3.dfsg.P4-12.6ubuntu1
amd64 BIND9 Shared Library used by BIND
I've disabled the second ethernet adapter. Periodically `enp3s0` looses
its IP address which it got via dhcp from my cable router. I think its
related to this bug. I understand the basics of dhcp (I can run some
commands), so I don't know the next steps to continue the diagnosis.
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Touch seeded packages, which is subscribed to isc-dhcp in Ubuntu.
https://bugs.launchpad.net/bugs/1551351
Title:
dhclient does not renew leases
Status in bind9 package in Ubuntu:
Fix Released
Status in isc-dhcp package in Ubuntu:
Fix Released
Status in bind9 source package in Xenial:
Fix Released
Status in isc-dhcp source package in Xenial:
Fix Released
Bug description:
Release: Xenial
I think this only recently started after some bind9 updates triggered a
rebuild. When booting dhclient gets started and acquires an IP address, but it
does seem to lock up somewhere as it does not renew the lease.
In my environment I set the lease time to 5 minutes, so I notice such things
rather soon. I looked on the dhcp server side but saw any further dhcp messages
come in from the client side.
Related bugs:
* bug 1551415: systemctl stop networking hang / timeout
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: isc-dhcp-client 4.3.3-5ubuntu8
ProcVersionSignature: Ubuntu 4.4.0-9.24-generic 4.4.3
Uname: Linux 4.4.0-9-generic x86_64
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
Date: Mon Feb 29 12:32:52 2016
DhclientLeases:
SourcePackage: isc-dhcp
UpgradeStatus: No upgrade log present (probably fresh install)
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