Reference Guide

720 | 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.
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 8.2.1.0 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