Unified Services Router User Manual
21
Figure 5: Configuring the Router Advertisement Daemon
Advertisement Prefixes
Advanced > IPv6 > IPv6 LAN > Advertisement Prefixes
The router advertisements configured with advertisement prefixes allow this router to inform hosts
how to perform stateless address auto configuration. Router advertisements contain a list of subnet
prefixes that allow the router to determine neighbors and whether the host is on the same link as the
router.
The following prefix options are available for the router advertisements:
• IPv6 Prefix Type: To ensure hosts support IPv6 to IPv4 tunnel select the 6to4 prefix type.
Selecting Global/Local/ISATAP will allow the nodes to support all other IPv6 routing
options
• SLA ID: The SLA ID (Site-Level Aggregation Identifier) is available when 6to4 Prefixes are
selected. This should be the interface ID of the router’s LAN interface used for router
advertisements.
• IPv6 Prefix: When using Global/Local/ISATAP prefixes, this field is used to define the IPv6
network advertised by this router.
• IPv6 Prefix Length: This value indicates the number contiguous, higher order bits of the
IPv6 address that define up the network portion of the address. Typically this is 64.
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