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Question 226 - H12-891 discussion
In MPLSVPN, in order to distinguish between IPv4 prefixes that use the same address space, the RD value is added to the IPv4 address, and the following options are described correctly as ?
A.
RD can be used to control the publication of VPN routing information
B.
On a PE device, each VPN instance corresponds to an RD value, and the RD value must be unique on the same PE device
C.
RD is encapsulated in the Update message as an extended community attribute of BGP during delivery
D.
After the PE receives an IPv4 route from CE, it adds an RD to the route to IPv4 that translates to a globally unique VPN-IPv4 route and publishes it on the public network
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