Command Line Reference Guide

728 | IPv6 Basics
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ipv6 route
c e s
Establish a static IPv6 route.
Syntax
ipv6 route ipv6-address prefix-length {interface | ipv6-address} [distance] [tag value]
[permanent]
To remove the IPv6 route, use the no ipv6 route ipv6-address prefix-length {interface |
ipv6-address} [distance] [tag value] [permanent] command.
Parameters
Defaults
No default values or behavior
Command Modes
CONFIGURATION
Command
History
ipv6-address
prefix-length
Enter the IPv6 destination address in the x:x:x:x::x format followed by the prefix
length in the
/x format.
Range: /0 to /128
Note: The
:: notation specifies successive hexadecimal fields of zeros
interface
Enter one of the following keywords and slot/port or number information of the
egress interface on the router:
• For a 1-Gigabit Ethernet interface, enter the keyword
GigabitEthernet
followed by the slot/port information.
• For a loopback interface, enter the keyword
loopback followed by a
number from zero (0) to 16383.
• For the null interface, enter the keyword
null followed by zero (0).
• For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet followed by the slot/port information.
• For a 40-Gigabit Ethernet interface, enter the keyword
fortyGigE followed
by the slot/port information.
Note: If you configure a static IPv6 route using an egress interface and
enter the ping command to reach the destination IPv6 address, the ping
operation may not work. Configure the IPv6 route using a next-hop IPv6
address in order for the ping command to detect the destination address.
ipv6-address Enter the next-hop address of an IPv6 neighbor router in the x:x:x:x::x format.
Note: The
:: notation specifies successive hexadecimal fields of zeros
distance
(OPTIONAL) Enter a number as the distance metric assigned to the route.
Range: 1 to 255
tag value (OPTIONAL) Enter the keyword tag followed by a tag value number.
Range: 1 to 4294967295
permanent (OPTIONAL) Enter the keyword permanent to specify that the route is not to
be removed, even if the interface assigned to that route goes down.
Note: If you disable the interface with an IPv6 address associated with the
keyword
permanent, the route disappears from the routing table.
Version 8.4.6.0
Added support for the keyword
fortyGigE.
Version 8.2.1.0 Introduced on E-Series ExaScale
Version 7.8.1.0 Introduced on C-Series and S-Series
Version 7.4.1.0 Introduced on E-Series TeraScale