Fortinet 548B Administration Manual page 822

Maximum Advertise Interval (secs) - Enter the maximum time (in seconds) allowed between router
advertisements sent from the interface.
Minimum Advertise Interval (secs) - Enter the minimum time (in seconds) allowed between router
advertisements sent from the interface.
Advertise Lifetime (secs) - Enter the value (in seconds) to be used as the lifetime field in router
advertisements sent from the interface. This is the maximum length of time that the advertised
addresses are to be considered as valid router addresses by hosts.
Preference Level - Specify the preference level of the router as a default router relative to other
routers on the same subnet. Higher numbered addresses are preferred. You must enter an integer.
Command Buttons
Submit - Send the updated configuration to the switch. Configuration changes take effect
immediately. The changes will not be retained across a power cycle unless a save is performed.
11.4.6.2 Viewing Router Discovery Status
Non-Configurable Data
Slot/Port - The router interface for which data is displayed.
Advertise Mode - The values are enable or disable. Enable denotes that Router Discovery is
enabled on that interface.
Advertise Address - The IP Address used to advertise the router.
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