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You can configure up to two IPv6 addresses on management interfaces, allowing required default router
support on the management port that is acting as host, per RFC 4861. Data ports support more than two
IPv6 addresses.
When you configure IPv6 addresses on multiple interfaces (the ipv6 address command) and verify the
configuration (the show ipv6 interfaces command), the same link local (fe80) address is displayed
for each IPv6 interface.
• Enter the IPv6 Address for the device.
CONFIG-INTERFACE mode
ipv6 address ipv6 address/mask
– ipv6 address: x:x:x:x::x
– mask: The prefix length is from 0 to 128
NOTE: IPv6 addresses are normally written as eight groups of four hexadecimal digits. Separate
each group by a colon (:). Omitting zeros is accepted as described in Addressing.
Assigning a Static IPv6 Route
To configure IPv6 static routes, use the ipv6 route command.
NOTE: After you configure a static IPv6 route (the ipv6 route command) and configure the
forwarding router’s address (specified in the ipv6 route command) on a neighbor’s interface, the
IPv6 neighbor does not display in the
show ipv6 route command output.
• Set up IPv6 static routes.
CONFIGURATION mode
ipv6 route prefix type {slot/port} forwarding router tag
– prefix: IPv6 route prefix
– type {slot/port}: interface type and slot/port
– forwarding router: forwarding router’s address
– tag: route tag
Enter the keyword interface then the type of interface and slot/port information:
– For a 10-Gigabit Ethernet interface, enter the keyword TenGigabitEthernet then the slot/port
information.
– For a 40-Gigabit Ethernet interface, enter the keyword fortyGigE then the slot/port information.
– For a loopback interface, enter the keyword loopback then the loopback number.
– For a port-channel interface, enter the keywords port-channel then the port-channel number.
– For a VLAN interface, enter the keyword vlan then the VLAN ID.
– For a Null interface, enter the keyword null then the Null interface number.
IPv6 Routing
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