Merge "Enable arp_accept for all interfaces"
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commit
85b07fd36c
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@ -77,6 +77,8 @@ outputs:
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value: 0
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net.ipv4.conf.all.send_redirects:
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value: 0
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net.ipv4.conf.all.arp_accept:
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value: 1
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net.ipv4.conf.default.accept_redirects:
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value: 0
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net.ipv4.conf.default.secure_redirects:
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@ -0,0 +1,9 @@
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---
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other:
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- |
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All nodes now enable ``arp_accept`` sysctl setting to help with honoring
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gratuitous ARP packets in their ARP tables. While sources of gratuitous ARP
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packets are diverse, this comes especially useful for Neutron floating IP
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addresses that roam between devices, and for which Neutron L3 agent sends
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gratuitous ARP packets to update all network nodes about IP address new
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locations.
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