7cbf51170c
The linux kernel default for igmp_max_memberships is 20 [0]. For vxlan project networks, it is possible to specify a range of multicast addresses for use with VXLAN tunnel broadcast traffic. In the case where a range is specified a unique multicast group is assigned by neutron to each vxlan network, and once igmp_max_memberships is reached for a host, vxlan interfaces will silently fail to join the multicast group. This results in instances being unable to DHCP or ARP, and errors in the neutron agent log [1]. This patch increases the default value to 1024 which should be sufficient for all but the very largest deployments. [0] https://sysctl-explorer.net/net/ipv4/igmp_max_memberships/ [1] http://paste.openstack.org/show/796504 Change-Id: I24a0ca3001098b278d341f710ca2e4f00dc3e09a |
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| defaults | ||
| doc | ||
| examples | ||
| files/gpg | ||
| filter_plugins | ||
| handlers | ||
| meta | ||
| releasenotes | ||
| tasks | ||
| templates | ||
| tests | ||
| vars | ||
| zuul.d | ||
| .gitignore | ||
| .gitreview | ||
| CONTRIBUTING.rst | ||
| LICENSE | ||
| README.rst | ||
| Vagrantfile | ||
| bindep.txt | ||
| manual-test.rc | ||
| run_tests.sh | ||
| setup.cfg | ||
| setup.py | ||
| tox.ini | ||
README.rst
Team and repository tags
OpenStack-Ansible openstack_hosts
Role for basic setup and configuration of a host machine for use within OpenStack. This role tunes a host to receive OpenStack. The basic operations within the role install, set up, and tune specific kernel options that all OpenStack hosts need to perform nominally.
- Documentation for the project can be found at:
-
https://docs.openstack.org/openstack-ansible-openstack_hosts/latest/
- Release notes for the project can be found at:
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https://docs.openstack.org/releasenotes/openstack-ansible-openstack_hosts/
- The project source code repository is located at:
-
https://opendev.org/openstack/openstack-ansible-openstack_hosts/
- The project home is at:
- The project bug tracker is located at: