** Changed in: dhcp3 (Debian)
Status: Confirmed = Fix Released
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Title:
dhcp3-server reports many bad udp checksums to
** Changed in: dhcp3 (Debian)
Status: New = Confirmed
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Title:
dhcp3-server reports many bad udp checksums to syslog using
** Also affects: dhcp3 (Debian) via
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=717217
Importance: Unknown
Status: Unknown
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** Changed in: dhcp3 (Debian)
Status: Unknown = New
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Title:
dhcp3-server reports many bad udp checksums to syslog using
This bug was fixed in the package lxc - 1.0.0~alpha3-0ubuntu8
---
lxc (1.0.0~alpha3-0ubuntu8) trusty; urgency=low
* Add iptables rule to fix checksum of udp packets for dhcp (LP: #930962)
-- Serge Hallyn serge.hal...@ubuntu.com Tue, 10 Dec 2013 11:27:09 -0600
** Changed in:
I'd be ok with adding a /usr/share/lxc/hooks/network-bootpc-checksum
script which does the iptables add, and having the debian template add
that to lxc.hook.pre-start. However, in that hook script we'd want to
avoid having one rule added per container start. What's the cleanest
and most robust
** Changed in: lxc (Ubuntu)
Status: New = Confirmed
** Changed in: lxc (Ubuntu)
Importance: Undecided = High
** Changed in: lxc (Ubuntu)
Status: Confirmed = Incomplete
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16:13 rbasak hallyn_: about bug 930962. I was suggesting doing the mangle the
other way
inside the container. Not sure if that's possible.
16:13 rbasak hallyn_: if not, then iptables -D can delete a rule by its
specification,
so perhaps iptables -D ... || true;
16:13 rbasak hallyn_: if not, then iptables -D can delete a rule by its
specification,
so perhaps iptables -D ... || true; iptables -A ... is a
(hacky)
workaround?
I think I prefer to keep a file like /run/lxc/features/iptables-checksum
to show that it's
Changing to low priority as there is a workaround.
** Changed in: lxc (Ubuntu)
Importance: High = Low
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Title:
dhcp3-server
This issue also affects the debian LXC template in Ubuntu (lxc
1.0.0~alpha1-0ubuntu11). If I create a Debian jessie container on Ubuntu
Saucy, then the container cannot DHCP.
Workaround: sudo iptables -t mangle -A POSTROUTING -o lxcbr0 -p udp
--dport bootpc -j CHECKSUM --checksum-fill
It looks
new package was in precise-proposed this morning, it fixed the problem.
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Title:
dhcp3-server reports many bad udp checksums to
This bug was fixed in the package dhcp3 - 3.1.3-2ubuntu3.5
---
dhcp3 (3.1.3-2ubuntu3.5) lucid-proposed; urgency=low
* Include patch from RedHat/Fedora to deal with hardware/xen/virtio offload
of UDP checksums. (LP: #930962)
* Update apparmor profile to add required the
This bug was fixed in the package isc-dhcp - 4.1.ESV-R4-0ubuntu5.8
---
isc-dhcp (4.1.ESV-R4-0ubuntu5.8) precise-proposed; urgency=low
[ Dave Chiluk ]
* Allow dhcpd to read /etc/ldap/ldap.conf for isc-dhcp-server-ldap.
(LP: #1057358). Backported from Stéphane Graber's quantal
Works well for me too with a lucid LXC container on saucy. Thanks!
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Title:
dhcp3-server reports many bad udp checksums to syslog
Recent kernel changes are now causing this issue to appear in LXC containers
too where the libvirt mangle rule doesn't help at all.
As a result I'm now preparing SRUs for both lucid and precise so that all
supported Ubuntu versions know to deal with missing checksums.
** Also affects: isc-dhcp
** Changed in: isc-dhcp (Ubuntu Precise)
Status: Triaged = In Progress
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Title:
dhcp3-server reports many bad udp checksums
** Changed in: dhcp3 (Ubuntu Lucid)
Status: Triaged = In Progress
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Title:
dhcp3-server reports many bad udp checksums to
Hello Tim, or anyone else affected,
Accepted isc-dhcp into precise-proposed. The package will build now and
be available at http://launchpad.net/ubuntu/+source/isc-
dhcp/4.1.ESV-R4-0ubuntu5.8 in a few hours, and then in the -proposed
repository.
Please help us by testing this new package. See
** Branch linked: lp:ubuntu/lucid-proposed/dhcp3
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Title:
dhcp3-server reports many bad udp checksums to syslog using virtio NIC
Tested in a precise LXC container running on saucy and confirmed that
this fixes the issue there.
** Tags added: verification-done-precise
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Tested in a lucid LXC container on saucy, also fixes the bug.
** Tags removed: verification-needed
** Tags added: verification-done verification-done-lucid
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