** Tags added: l3-dvr-backlog
** Also affects: nova
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1456073
Title:
Connection to an instance with floating IP breaks during block
migration when using DVR
Status in neutron:
New
Status in OpenStack Compute (nova):
New
Bug description:
During migration of an instance, using block migration with a floating IP
when the router is DVR the connection to the instance breaks (e.g. Having an
SSH connection to the instance).
Reconnect to the instance is successful.
Version
======
RHEL 7.1
python-nova-2015.1.0-3.el7ost.noarch
python-neutron-2015.1.0-1.el7ost.noarch
How to reproduce
==============
1. Create a distributed router and attach an internal and an external network
to it.
# neutron router-create --distributed True router1
# neutron router-interface-add router1 <subnet1 id>
# neutron router-gateway-set <external network id>
2. Launch an instance and associate it with a floating IP.
# nova boot --flavor m1.small --image fedora --nic net-id=<internal
network id> vm1
3. SSH into the instance which will be migrated and run a command
"while true; do echo "Hello"; sleep 1; done"
4. Migrate the instance using block migration
# nova live-migration --block-migrate <instance id>
5. Verify that the connection to the instance is lost.
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