Dell Command Line Reference Guide for the S4048–ON System 9.14.2.8

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ipv6 route

Establish a static IPv6 route.

Syntax
ipv6 route [vrf vrf-name] ipv6-address prefix-length {ipv6-address | interface | interface ipv6-address} [distance] [name description] [tag value] [permanent] [weight weight-value]

To remove the IPv6 route, use the no ipv6 route command.

Parameters
vrf vrf-name
(Optional) Enter the keyword vrf followed by the name of the VRF to install IPv6 routes in that VRF.
ipv6-address prefix-length
Enter the IPv6 address in the x:x:x:x::x format then the prefix length in the /x format. The range is from /0 to /128.
NOTE: The :: notation specifies successive hexadecimal fields of zeros.
interface
(OPTIONAL) Enter the following keywords and slot/port or number information:
  • For a 10-Gigabit Ethernet interface, enter the keyword TenGigabitEthernet then the slot/port[/subport] 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 a number from 0 to 16383.
  • For a port channel interface, enter the keywords port-channel then a number.
  • For a Null interface, enter the keyword null then the Null interface number.
  • For a tunnel interface, enter the keyword tunnel then the tunnel interface number. The range is from 1 to 16383.
  • For a VLAN interface, enter the keyword VLAN then the vlan number. The range is from 1 to 4094.

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
(OPTIONAL) Enter the forwarding router IPv6 address in the x:x:x:x::x format.
NOTE: The :: notation specifies successive hexadecimal fields of zeros.
distance
(OPTIONAL) Enter a number as the metric distance assigned to the route. The range is from 1 to 255.
name description
(OPTIONAL) Enter the keyword name and the description for the IPv6 static route configuration.
tag value
(OPTIONAL) Enter the keyword tag then a tag value number. The range is from 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.
weight weight-value
Enter the keyword weight followed by a weight value. The range is from 0 to 255.
NOTE: Weight for a static route can be added only for the destination address and not for the route pointing to destination a interface.
Defaults
None
Command Modes
CONFIGURATION
Command History

This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC Networking OS Command Line Reference Guide.

Version
Description
9.14(1.2)
Added the keyword name for static routes.
9.10(0.1)
Introduced on the S6010-ON and S4048T-ON.
9.10(0.0)
Introduced on the S3148.
9.10(0.0)
Introduced on the S6100–ON.
9.8(2.0)
Introduced on the S3100 series.
9.8(1.0)
Introduced on the Z9100–ON.
9.8(0.0P5)
Introduced on the S4048-ON.
9.8(0.0P2)
Introduced on the S3048-ON.
9.7(0.0)
Added support for VRF. Also included the weight parameter to support weighted ECMP feature. Introduced on the S6000-ON.
9.2(1.0)
Introduced on the Z9500.
9.0.0.0
Introduced on the Z9000.
8.3.19.0
Introduced on the S4820T.
8.3.7.0
Introduced on the S4810.
8.5.1.0
Added support for 4-port 40G line cards on the E-Series.
8.2.1.0
Introduced on the E-Series.
7.8.1.0
Introduced on the C-Series and S-Series.
7.4.1.0
Introduced on the E-Series.
Usage Information

When the interface goes down, Dell EMC Networking OS withdraws the route. The route is re-installed, by Dell EMC Networking OS, when the interface comes back up. When a recursive resolution is “broken,” Dell EMC Networking OS withdraws the route. The route is re-installed, by Dell EMC Networking OS, when the recursive resolution is satisfied.

After an IPv6 static route interface is created, if an IP address is not assigned to a peer interface, the peer must be manually pinged to resolve the neighbor information.

You can specify a weight for an IPv4 or IPv6 static route. If the weight value of a path is 0, then that path is not used for forwarding when weighted ECMP is in effect. Also, if a path corresponding to a static route (destination) has a non-zero weight assigned to it and other paths do not have any weight configured, then regular ECMP is used for forwarding.

You can specify the weight value only to destination address and not on the egress port.

A route is considered for weighted ECMP calculations only if each paths corresponding to that route is configured with a weight.

Example
DellEMC(conf)# ipv6 route 44::/64 33::1 weight 100
DellEMC(conf)# ipv6 route 44::/64 33::2 weight 200
DellEMC(conf)# do show running-config | grep ipv6 route
DellEMC(conf)# ipv6 route vrf vrf_test 44::/64 33::1 weight 100
DellEMC(conf)# ipv6 route vrf vrf_test 44::/64 33::2 weight 200
DellEMC(conf)# do show running-config | grep ipv6 route vrf
Related Commands

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