Fortinet 548B - Manual (Page 558)

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using this command since one is automatically created. The <prefix> field consists of the bits of the
address to be configured. The <prefix_length> designates how many of the high-order contiguous bits of
the address make up the prefix.
You can express IPv6 addresses in eight blocks. Also of note is that instead of a period, a colon now
separates each block. For simplification, leading zeros of each 16 bit block can be omitted. One
sequence of 16 bit blocks containing only zeros can be replaced with a double colon "::", but not more
than one at a time (otherwise it is no longer a unique representation).

Dropping zeros: 3ffe:ffff:100:f101:0:0:0:1 becomes 3ffe:ffff:100:f101::1

Local host: 0000:0000:0000:0000:0000:0000:0000:0001 becomes ::1

Any host: 0000:0000:0000:0000:0000:0000:0000:0000 becomes ::
The hexadecimal letters in the IPv6 addresses are not case-sensitive. An example of an IPv6 prefix and
prefix length is 3ffe:1::1234/64.
The optional [eui-64] field designates that IPv6 processing on the interfaces was enabled using an
EUI-64 interface ID in the low order 64 bits of the address. If you use this option, the value of
<prefix_length> must be 64 bits.
Syntax
ipv6 address <prefix> / <prefix_length> [eui64]
no ipv6 address [<prefix> / <prefix_length>] [eui64]
<prefix> - parameter consists of the bits of the address to be configured.
<prefix_length> - It designates how many of the high-order contiguous bits of the address comprise
the prefix.
[eui-64] – This field designates that IPv6 processing on the interfaces was enabled using an EUI-64
interface ID in the low order 64 bits of the address. If you do not supply any parameters, the
command deletes all the IPv6 addresses on an interface.
no – Use this command to remove all IPv6 addresses on an interface or specified IPv6 address.
Default Setting
None
Command Mode
Interface Config
Interface VLAN
10.3.2.6 ipv6 gateway
Use this command to configure IPv6 gateway (i.e. default routers) information for the network port.
Syntax
ipv6 gateway <gateway-address>
no ipv6 gateway