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# ipv6 address

#### Syntax

[ no ] ipv6 address ipv6Prefix [ eui-64 ]

[ no ] ipv6 address [ ipv6Address maskLength [ eui-64 ] ]

#### Release Information

Command introduced before JUNOSe Release 7.1.0.

#### Description

Assigns an IPv6 address (or network) to an interface and enables IPv6 processing on that interface. The no version deletes the association from the interface.

| Note: The link-local address for an interface is automatically configured when IPv6 is enabled on the interface.

#### Options

- ipv6Prefix—Prefix that defines the IPv6 interface or network in the format ipv6Address / length, where
  - ipv6Address—Base IPv6 address of the network route that you want to filter (for example, ::ffff:a:b:c:d)
  - length—Length of the network prefix; number of bits masking base address to produce address to be matched
- ipv6Address—Base IPv6 address of the network route that you want to filter (for example, ::ffff:a:b:c:d); the ipv6Address must appear in hexadecimal format using 16-bit values between colons. Refer to RFC 2373—IP Version 6 Addressing Architecture (July 1998) for details.
- maskLength—Length of the IPv6 mask. A decimal value that indicates how many of the high-order contiguous bits of the address comprise the prefix (the network portion of the address).
- eui-64—Specifies the use of the eui-64 interface identifier

#### Mode

Interface Configuration, Profile Configuration

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