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New multiprotocol attributes
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MP_REACH_NLRI
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MP_UNREACH_NLRI
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MP_REACH_NLRI and MP_UNREACH_NLRI
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Address
Family Information (AFI) = 1 (IPv4)
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Sub-AFI
= 1 (NLRI is used for unicast)
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Sub-AFI
= 2 (NLRI is used for multicast RPF check)
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Sub-AFI
= 3 (NLRI is used for both unicast and multicast RPF
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check)
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Allows for different policies between multicast and
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unicast
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