C613-50100-01 REV C Command Reference for x930 Series 1528
AlliedWare Plus™ Operating System - Version 5.4.6-1.x
VRF LITE COMMANDS
RD
(ROUTE DISTINGUISHER)
rd (route distinguisher)
Overview This command creates a Route Distinguisher (RD). The RD forms part of the route
table creation process for a VRF instance and is implemented only when using BGP
routing.
Syntax
rd {<ASN:n>|<ip-address:n>}
CAUTION: This command does not contain a “no” variant. To remove the rd requires
deleting the VRF instance to which it is assigned. Therefore, it is important that you
carefully enter the correct value for the rd.
NOTE: The above table refers to an ASN or Autonomous System Number. If you have a
formal ASN number assigned to your BGP network, you should enter this value.
Alternatively; because the Route Distinguisher has limited functionality in VRF lite, you
can use an unofficial value for your ASN when configuring “this particular” command.
Mode VRF Configuration
Usage For the implementation of VRF lite installed on your switch, this command has little
practical functionality. However, the switch does check certain components of the
RD that you enter. For this reason, the RD syntax must comply with the structural
formats defined below, and each value that you assign to a VRF instance must be
unique on the switch. Good networking practice is to use common values for the
RD and RT within a VRF instance.
Default No default RD is configured.
Example To create an RD 100:2 that is associated with vrf red use the following
commands:
awplus# config terminal
awplus(config)# ip vrf red
awplus(config-vrf)# rd 100:2
Related
Commands
show ip vrf
Parameter Description
<ASN:n> The RD reference number. This is based on the formal RD format
structure of, ASN number:Ref number.
The ASN value can be any number between 1 and 65535, and
the value n can be any number between 1 and 4294967295.
<ip-address:n> The RD reference number. This is based on the formal RD format
structure of IP-address:Ref number.
The IP-address must be in IPv4 format. The value n can be any
number between 1 and 65535.
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