Cisco Cisco Packet Data Gateway (PDG) Guía Para Resolver Problemas
Border Gateway Protocol IP VRF Configuration Mode Commands
route-distinguisher ▀
Cisco ASR 5000 Series Command Line Interface Reference ▄
OL-22948-01
route-distinguisher
This command assigns a route distinguisher (RD) for the VRF. The route distinguisher value must be a unique value on
the router for each VRF.
the router for each VRF.
Product
PDSN, GGSN
Privilege
Security Administrator, Administrator
Syntax
The
is a 16-bit autonomous-system (AS) number from 0 through 65535.
is an 32 bit IP address in IPv4 dotted decimal notation.
is an unique route distinguisher identifier and must be an integer between 0 through 4294967295.
Usage
Use this command to assign a router distinguisher (RD) for the IP VRF. The combination of AS number/IP
address and RD value must be unique for every VRF configured. The RD is added to the beginning of the
pool addresses to change them into globally unique VPN-IPv4 prefixes.
If the RD is not configured for a VRF, user cannot enter into the BGP Address-Family mode for that VRF to
configure the neighbors or other related BGP commands.
An RD assigined to a VRF cannot be changed untill the existing VRF is deleted or removed and
reconfigured.
address and RD value must be unique for every VRF configured. The RD is added to the beginning of the
pool addresses to change them into globally unique VPN-IPv4 prefixes.
If the RD is not configured for a VRF, user cannot enter into the BGP Address-Family mode for that VRF to
configure the neighbors or other related BGP commands.
An RD assigined to a VRF cannot be changed untill the existing VRF is deleted or removed and
reconfigured.
Example
The following command assigns a router distingusher
The following command assigns a router distingusher
to VRF with AS number
:
The following command assigns a router distingusher
to VRF with IP address
: