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Specifying a Route Distinguisher
The route distinguisher enables you to establish
unique VPN-IPv4 addresses to accommodate the possibility that more
than one VPN might use the same IP address from their private address
spaces.
rd
- Use to specify a route distinguisher to a VRF.
- You can specify either an AS number or an IP address as
the first part of the route distinguisher. Specify some unique integer
as the second part.
- You must specify a route distinguisher for a VRF. Otherwise,
the VRF will not operate.
- After you have configured the route distinguisher, you
can change it only by removing and recreating the VRF.
- Example
- host1:vr1(config-vrf)#rd 100:100
- There is no no version.
- See rd.
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