Advertisements Section (Mobile IP Administration Guide)

Mobile IP Administration Guide

`Advertisements` Section

The Advertisements section contains the HomeAgent and ForeignAgent labels, as well as other labels. You must include a different Advertisements section for each interface on the local host that provides Mobile IP services. The Advertisements section has the following syntax:

[Advertisements Interface-name]
     HomeAgent = <yes/no>
     ForeignAgent = <yes/no>
     .
     .

Typically, your system has a single interface (le0, hme0, and so on) and supports both home agent and foreign agent operations. If this is the case, say for hme0, then the yes value is assigned to both the HomeAgent and ForeignAgent labels as follows:

[Advertisements hme0]
     HomeAgent = yes
     ForeignAgent = yes
     .
     .

The following table describes the labels and values that you can use in the Advertisements section.

Table 2–1 Advertisements Section Labels and Values


Label	Value	Description
`HomeAgent`	`yes` or `no`	Determines if mipagent provides home agent functionality.
`ForeignAgent`	`yes` or `no`	Determines if mipagent provides foreign agent functionality
`PrefixFlags`	`yes` or `no`	Specifies if advertisements include the optional prefix length extension.
`AdvertiseOnBcast`	`yes` or `no`	If yes, advertisements are sent on 255.255.255.255, rather than 224.0.0.1.
`RegLifetime`	`n`	The maximum lifetime value accepted in registration requests, in seconds.
`AdvLifetime`	`n`	The maximum length of time that the advertisement is considered valid in the absence of further advertisements, in seconds.
`AdvFrequency`	`n`	Time between two consecutive advertisements, in seconds.
`ReverseTunnel`	`yes` or `noFA` or `HA`	Determines if mipagent provides reverse tunnel functionality. The value `yes` means that both the foreign agent and home agent support reverse tunneling. The value `no` means that the interface does not support reverse tunneling. The value `FA` means that the foreign agent supports reverse tunneling. The value `HA` means that the home agent supports reverse tunneling.
`ReverseTunnelRequired`	`yes` or `no`	Determines if mipagent requires reverse tunnel functionality. Consequently, determines if a mobile node must request a reverse tunnel during registration. The value `yes` means that both the foreign agent and home agent require a reverse tunnel. The value `no` means that the interface does not require a reverse tunnel. The value `FA` means that the foreign agent requires a reverse tunnel. The value `HA` means that the home agent requires a reverse tunnel.