Interface options





Here you can enable or disable the following interface functions:

Interface name
Defines the name of the logical interface to be used for sending router advertisements.
Send router adv.
Regulates the periodic transmission of router advertisements and the response to router solicitations.
Min. RTR interval
Defines in seconds the minimum time allowed between the transmission of unsolicited multicast router advertisements. Min. RTR interval and Max. RTR interval form a time space during which router advertisements are sent at random. Permitted values are between 3 seconds and 0.75 * Max. RTR Interval. Default is 200 seconds.
Max. RTR interval
Maximum value of the RTR interval.
Managed address configuration flag
With this function enabled, clients receiving this router advertisement will configure their addresses with stateful autoconfiguration (DHCPv6). Clients then automatically retrieve other information, e.g. the DNS server.
Other configuration flag
If this function is active, a client will attempt to obtain additional information via DHCPv6, such as DNS server addresses. For each prefix, you can specify whether or not a client should form addresses by auto-configuration: Navigate to the Prefix list under Allow auto-configuration (SLAAC).
Link MTU
Specifies the valid MTU for the corresponding link.
Availability time
Specifies the time for which the router is considered to be available. The default 0 means that no availability time is propagated in the router advertisements.
Hop limit
Defines the maximum number of routers to be used to forward an IP data packet. One router corresponds to one "hop". Default is 0, meaning no hop limit is specified.
Default router
Defines how the device advertises itself as the default gateway or router. The parameters have the following functions:
Automatic
As long as a WAN connection exists, the device sends a positive router lifetime in the router advertisement messages. The result is that a client uses this router as the default gateway. If there is no WAN connection, the router sets the router lifetime to 0. A client then stops using this router as the default gateway.
Always
The router lifetime is always positive—i.e. greater than 0—irrespective of the WAN connection status.
Never
The router lifetime is always 0.
Router priority
Defines the preference of this router. Clients enter this preference into their local routing tables.
RTR time
Specifies the time in seconds between successive transmissions of neighbor-solicitation messages to a neighbor if the address is being resolved or the accessibility is being tested.

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