** Changed in: neutron
Status: Fix Released => Confirmed
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https://bugs.launchpad.net/bugs/1824571
Title:
l3agent can't create router if there are multiple external networks
Status in neutron:
Confirmed
Bug description:
In case there are more than one external network the l3 agent unable
to create routers with the following error:
2019-04-12 17:33:18.844 103 ERROR neutron.agent.l3.agent Traceback (most
recent call last):
2019-04-12 17:33:18.844 103 ERROR neutron.agent.l3.agent File
"/var/lib/kolla/venv/local/lib/python2.7/site-packages/neutron/agent/l3/agent.py",
line 701, in _process_routers_if_compatible
2019-04-12 17:33:18.844 103 ERROR neutron.agent.l3.agent
self._process_router_if_compatible(router)
2019-04-12 17:33:18.844 103 ERROR neutron.agent.l3.agent File
"/var/lib/kolla/venv/local/lib/python2.7/site-packages/neutron/agent/l3/agent.py",
line 548, in _process_router_if_compatible
2019-04-12 17:33:18.844 103 ERROR neutron.agent.l3.agent target_ex_net_id
= self._fetch_external_net_id()
2019-04-12 17:33:18.844 103 ERROR neutron.agent.l3.agent File
"/var/lib/kolla/venv/local/lib/python2.7/site-packages/neutron/agent/l3/agent.py",
line 376, in _fetch_external_net_id
2019-04-12 17:33:18.844 103 ERROR neutron.agent.l3.agent raise
Exception(msg)
2019-04-12 17:33:18.844 103 ERROR neutron.agent.l3.agent Exception: The
'gateway_external_network_id' option must be configured for this agent as
Neutron has more than one external network.
It happens in DVR scenario on both dvr and dvr_snat agents and it
started after upgraded from Rocky to Stein, before the upgrade it
worked fine. The gateway_external_network_id is not set in my config,
because I want the l3 agent to be able to use multiple external
networks.
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