Cisco 500 Series Administration Manual page 389

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• Maximum Router Advertisement Interval—Enter the maximum amount of
time that can pass between router advertisements.
The interval between transmissions should be less than or equal to the IPv6
router advertisement lifetime if you configure the route as a default router by
using this command. To prevent synchronization with other IPv6 nodes, the
actual interval used is randomly selected from a value between the minimum
and maximum values.
• Minimum Router Advertisement Interval—Enter the minimum amount of
time that can pass between router advertisements (User Defined) or select
Use Default to user the system default.
The minimum RA interval may never be more than 75% of the
NOTE
maximum RA interval and never less than 3 seconds.
• Router Advertisement Lifetime—Enter the remaining length of time, in
seconds, that this router will continue to be useful as a default router. A value
of zero indicates that it is no longer useful as a default router.
• Reachable Time—Enter the amount of time that a remote IPv6 node is
considered reachable (in milliseconds) (User Defined) or select the Use
Default option to use the system default.
Click Apply to save the configuration to the Running Configuration file.
IPv6 Prefixes
To define prefixes to be advertised on the interfaces of the device:
Click IP Configuration > IPv6 Management and Interfaces > IPv6 Router
Configuration > IPv6 Prefixes.
If required, enable the Filter field and click Go. The group of interfaces matching
the filter are displayed.
To add an interface, click Add.
Select the required IPv6 Interface on which a prefix is to be added.
Enter the following fields:
• Prefix Address—The IPv6 network. This argument must be in the form
documented in RFC 4293 where the address is specified in hexadecimal—
using 16-bit values between colons.
IPv6 Management and Interfaces
Cisco 500 Series Managed Switch Administration Guide
IP Configuration