diff options
| -rw-r--r-- | puppet/services/kernel.yaml | 2 | ||||
| -rw-r--r-- | releasenotes/notes/enable-arp_accept-6296b0113bc56b10.yaml | 9 |
2 files changed, 11 insertions, 0 deletions
diff --git a/puppet/services/kernel.yaml b/puppet/services/kernel.yaml index 3f9b0b7e..c142b475 100644 --- a/puppet/services/kernel.yaml +++ b/puppet/services/kernel.yaml @@ -77,6 +77,8 @@ outputs: value: 0 net.ipv4.conf.all.send_redirects: value: 0 + net.ipv4.conf.all.arp_accept: + value: 1 net.ipv4.conf.default.accept_redirects: value: 0 net.ipv4.conf.default.secure_redirects: diff --git a/releasenotes/notes/enable-arp_accept-6296b0113bc56b10.yaml b/releasenotes/notes/enable-arp_accept-6296b0113bc56b10.yaml new file mode 100644 index 00000000..4025477b --- /dev/null +++ b/releasenotes/notes/enable-arp_accept-6296b0113bc56b10.yaml @@ -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. |