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authorMatthew Smith <mgsmith@netgate.com>2020-06-15 10:58:23 -0500
committerDamjan Marion <dmarion@me.com>2020-06-27 10:23:04 +0000
commitd352bf8276f33f33e4af5e8a7b85dad8187f531d (patch)
tree6823fffc02ffcecd5c24a03cd145b6f2d8792c01 /.gitreview
parenta4611b85b58155fc3abbe2a7f16bd98e1a3dc39d (diff)
vrrp: backup processes priority 255 advertisement
Type: fix When accept mode is enabled, a backup VR will configure the VR virtual addresses locally and respond to packets sent to those addresses. This did not work when the primary VR is the address owner and sends advertisements using the virtual address as the source address. It also did not work when NAT was configured on the interface with the virtual address as the NAT pool address. In both cases, advertisements from other VRs would arrive and be dropped because they appeared to be spoofed - the source address would be an address that is configured as an interface address on the instance receiving it. When accept mode is enabled for a VR and the VR enters the master state, add an input feature on ip[46]-multicast for the interface which looks for VRRP advertisements, figures out whether they are for a VR which is configured with accept mode and is in the master state and kicks them straight to the VRRP nodes to avoid dropping them. Change-Id: I240ba1ee0b3fd6d693de729698c1181dc71bb08b Signed-off-by: Matthew Smith <mgsmith@netgate.com>
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