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Address type

IPv6 notation

Binary prefix

Unspecified

::/128

00 . . . 0 (128 bits)

Loopback

::1/128

00 . . . 1 (128 bits)

Multicast

FF00::/8

11111111

Link-local Unicast

FE80::/10

1111111010

Site-local Unicast

FEC0::/10

1111111011

Global Unicast

 

(everything else)

 

By default, IPv6 traffic-forwarding is disabled on a Cisco router. To activate it between interfaces, you must configure the global commands:

RouterX(config)#ipv6 unicast-routing
 (enables IPv6 traffic forwarding)

RouterX(config-if)#ipv6 address ipv6prefix/prefix-length eui-64 (configures the IPv6 address)

 

 

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