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Bug#842385: marked as done (Kernel update changes default src ip)



Your message dated Sat, 15 May 2021 02:30:39 -0700 (PDT)
with message-id <609f94bf.1c69fb81.5ada7.6620@mx.google.com>
and subject line Closing this bug (BTS maintenance for src:linux bugs)
has caused the Debian Bug report #842385,
regarding Kernel update changes default src ip
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
842385: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=842385
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message ---

Package: linux-image-3.16.0-4-amd64

Version: 3.16.36-1+deb8u2

 

After the upgrade to the new kernel version we’ve noticed that the default src IP have changed from the primary interface eth0 to the IP set for the subinterface eth0:1. This has caused problem with some of our services such as bind that now uses the wrong IP for zone transfers which fails.

 

# ip route show

default via xxx.xxx.240.1 dev eth0

xxx.xxx.240.0/27 dev eth0  proto kernel  scope link  src xxx.xxx.240.11

 

/etc/network/interfaces:

# This file describes the network interfaces available on your system

# and how to activate them. For more information, see interfaces(5).

 

source /etc/network/interfaces.d/*

 

# The loopback network interface

auto lo

iface lo inet loopback

 

# The primary network interface

allow-hotplug eth0

iface eth0 inet static

        address xxx.xxx.240.9

        netmask 255.255.255.224

        gateway xxx.xxx.240.1

        pre-up iptables-restore < /etc/iptables.rules

        post-down iptables-save -c > /etc/iptables.rules

 

auto eth0:1

iface eth0:1 inet static

        address xxx.xxx.240.11

        netmask 255.255.255.224

 

The reason we suspect this is something in the kernel is because that’s the only package upgraded and the only change made to the system prior to the problem appearing.

 

We are running Debian GNU/Linux 8.6, kernel 3.16.36-1+deb8u2

 

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Martin Hellström


DGC Delta AB
Mäster Samuelsgatan 42
111 57 Stockholm
Sweden


Phone: +46 8 501 125 00
Cell: +46 70 485 26 01
www.deltait.se

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--- End Message ---
--- Begin Message ---
Hi

This bug was filed for a very old kernel or the bug is old itself
without resolution.

If you can reproduce it with

- the current version in unstable/testing
- the latest kernel from backports

please reopen the bug, see https://www.debian.org/Bugs/server-control
for details.

Regards,
Salvatore

--- End Message ---

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