openstack
/
tripleo-heat-templates
Code Issues Proposed changes

Merge "Enable arp_accept for all interfaces" into stable/newton

This commit is contained in:
Jenkins 2017-05-31 00:28:29 +00:00 committed by Gerrit Code Review
parent 24225deb74 307735cf67
commit 93afb64cc2
2 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
puppet/services/kernel.yaml
View File

@ -39,6 +39,8 @@ outputs:
value: 5
net.ipv4.tcp_keepalive_time:
value: 5
net.ipv4.conf.all.arp_accept:
value: 1
net.nf_conntrack_max:
value: 500000
net.netfilter.nf_conntrack_max:

9
releasenotes/notes/enable-arp_accept-6296b0113bc56b10.yaml Normal file
View File

@ -0,0 +1,9 @@
---
other:
- |
All nodes now enable ``arp_accept`` sysctl setting to help with honoring
gratuitous ARP packets in their ARP tables. While sources of gratuitous ARP
packets are diverse, this comes especially useful for Neutron floating IP
addresses that roam between devices, and for which Neutron L3 agent sends
gratuitous ARP packets to update all network nodes about IP address new
locations.