IPv6 Addressing
IPv6 Address Sources
Static Address Configuration
Generally, static address configuration should be used when you want specific,
■address conventions used in your network require defined control
■the task of static addressing is not so extensive as to be impractical due to the number of addresses and/or interfaces needing configuration
If IPv6 is not already enabled on a VLAN interface, the following is true:
■Statically configuring a
■Statically configuring a global unicast or anycast address also enables IPv6 and generates a
| Statically configured global unicast addresses can be used in addition to |
| stateless addresses on the same interface. However, because only one link- |
| local address is allowed on a VLAN interface (fe80::), static configuration of |
| a |
|
|
N o t e | For a statically configured global unicast address to be routable, a gateway |
| router must be transmitting router advertisements on the VLAN that include |
| the prefix used in the statically configured address. If the VLAN is not receiving |
| an RA with this prefix, the address is listed as “preferred”, but is not used. |
| Statically configured IPv6 addresses saved to the |
| |
| write memory) remain across a reboot and are permanent, unless statically |
| removed by no ipv6 address < |
| For more information and the CLI command for static address configuration, |
| refer to “Configuring a Static IPv6 Address on a VLAN” on page |