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RADVD is used for IPv6 auto-configuration and routing. When enabled, messages are sent by the router periodically and in response to solicitations.
A host uses the information to learn the prefixes and parameters for the local network.
Log Description: RADVD local AdvManagedFlag disagrees with remote site
Message: our AdvManagedFlag on wan doesn't agree with fe80::2c8:8bff:fedb:2c22
Type: event
Sub Type: system
If not using IPV6, perform the following steps to stop FortiGate from sending the messages and stop generating the logs:
config system interface
edit <interface_name>
config ipv6
set ip6-send-adv enable <-- Disable this setting.
end
next
end
interface_name is the interface for which the logs are generated.
For Example: In this log message 'our AdvManagedFlag on wan doesn't agree with fe80::2c8:8bff:fedb:2c22' the concerned interface is wan.
Hence the ip6-send-adv must be disabled on the wan interface.
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