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10.12.1 Available Feature Set

Home Agent   Home agent functionality will allow a suitably configured IPv6 router to act as a home agent for one or more mobile nodes when they are away from home.

Timer changes    MIPv6 requires that the range of some timers be changed, for example, the minimum interval between unsolicited router advertisements is reduced from the 3 seconds specified in RFC2461. These relaxations are supported.

Advertisement Interval option    MIPv6 requires that routers be configurable to allow them to send an Advertisement Interval option in their Router Advertisements to help mobile nodes perform movement detection. This feature is supported.

Duplicate Address Detection  A mobile node may request that a home agent perform Duplicate Address Detection (DAD) when processing its registration and, whilst acting as the mobile node’s home agent, defend its address. This feature is supported.

Dynamic Home Agent Address Discovery    Home Agents in a subnet learn of each others presence and capabilities by listening to Router Advertisements. A mobile node may obtain the list of home agents on its home subnet by sending a request to the anycast address for all MIPv6-home-agents. This feature is supported.

Access Control List    Support for an ACL to control the subnets from which the router will accept
Binding Updates and DHAAD requests. This may be used to ‘black list’ certain subnetworks,
preventing mobile nodes roaming to them, and refusing to perform correspondent node route optimization with mobile nodes that are currently visiting such sub-networks.