Public bug reported:
Deploying an instance attached to a network with a subnet is infact
valid, since that instance could communicate via IPv6 link-local
addresses or non-IP protocols. Obviously nova metadata wouldn't work,
but the instance could otherwise be used. Nova should not assert that a
ne
Public bug reported:
On an isolated IPv6 network no router advertisements are sent, so the
instances are unable to discover what prefix to use. To enabled
instances to discover which prefixes are on-link router advertisements
with a router lifetime of zero should be sent (from the DHCP namespace)
Public bug reported:
Neutron linuxbridge agent no longer accepts cfg.CONF.VXLAN.local_ip as
an IPv6 address. Prior to 9fc45cee this restriction wasn't in place.
Neutron ML2 with the linuxbridge mechanism driver had supported VXLAN
over IPv6 since IceHouse.
/etc/neutron/plugins/ml2/ml2_conf.ini:
Public bug reported:
Neutron's MTU computation assumes 50 bytes overhead for VXLAN. This is
correct for IPv4, but in the case of IPv6 the the overhead is 70 bytes.
Similar assumptions are made for GRE and Geneve tunnels.
Additionally 802.1q tags could increase overhead by 4.
See: http://keepingi
Public bug reported:
Presently the IPTables firewall driver (the reference security group
implementation) permits all non-IP traffic to ingress and egress an
instance port. This should be altered to block non-IP traffic by
default.
Security groups are a collection of rules which specify which tra
** Also affects: octavia
Importance: Undecided
Status: New
** Changed in: octavia
Status: New => In Progress
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https://bugs.launchpad.net/bugs/1544861
Title:
Public bug reported:
This limitation arose in while testing Neutron LBaaS using the HAProxy
namespace driver, but applies to other proxying type backends including
Octavia. A single load balancer instance (network namespace, or amphora)
can only establish as many concurrent TCP connections to a si
Public bug reported:
Associating a floatingip with a dual stack port fails unless the IPv4
address is specified with the fixed-ip-address parameter. Presently when
a user attempts to associate a floatingip with a port which an IPv4 and
IPv6 address Neutron returns 'Bad floatingip request: Port %s
Public bug reported:
Presently the services and agents DevRef doesn't describe how
configuration options should be separated.
** Affects: neutron
Importance: Undecided
Status: New
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ps://www.ietf.org/rfc/rfc3810.txt
** Affects: neutron
Importance: Undecided
Assignee: Dustin Lundquist (dlundquist)
Status: In Progress
** Tags: ipv6
** Description changed:
- IPv6 Multicast Listener Discovery (MLD) v2 is used on recent version of
- Linux, currently Neutron only
Public bug reported:
Neutron uses /proc/sys/net/ipv6/conf/default/disable_ipv6 to determine
if IPv6 should be enabled, but there are legitimate cases where this
sysctl may be set in an IPv6 deployment.
By default Linux assigns link-local address to all new interfaces if
this sysctl is not enabled
Public bug reported:
The timeout and delay values on the health monitor objects in Neutron
LBaaS are purportedly in units of seconds, but the numeric value is
passed all the the way down to the HAProxy configuration[1] file (in
both the HAProxy namespace driver and Octavia) where it is interpreted
Resurrecting this bug, since we ran into it. It looks like maxconn in
HAproxy is a bit more nuanced: the global maxconn setting will cause
HAProxy is used to compute the maximum number of socket and file
descriptor ulimits, while the listener maxconn is used to limit
connections on a specific liste
Public bug reported:
In neutron/agent/linux/ovs_lib.py get_installed_ovs_klm_version() uses modinfo
to detect the version of Open vSwitch provided by the kernel module. The
current code simply invokes 'modinfo openvswitch' and looks for the version:
line. Now that Open vSwitch has been merged
*** This bug is a duplicate of bug 1291535 ***
https://bugs.launchpad.net/bugs/1291535
** This bug has been marked a duplicate of bug 1291535
'Unable to retrieve OVS kernel module version' when _not_ using DKMS
openvswitch module
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