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[Idr] Type 1 RD for Pure IPv6 network -- EVPN

TULASI RAM REDDY <tulasiramireddy@gmail.com> Fri, 22 January 2021 06:01 UTC

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From: TULASI RAM REDDY <tulasiramireddy@gmail.com>
Date: Fri, 22 Jan 2021 11:31:19 +0530
Message-ID: <CA+JENaK55mrR0hDEbTC62kASxTLtEfbmRkWh-VUhRU3oPQcBVA@mail.gmail.com>
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Subject: [Idr] Type 1 RD for Pure IPv6 network -- EVPN
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Hi All,

In a pure IPv6 network, how do one expect to construct the Type 1 RD.
As per EVPN RFC 7432 for EAD per ES, it should be Type 1 RD, but if the
loopback address is only IPv6 then what is the expectation here?
Should we use BGP router ID(32bit) here?

>From RFC7432: EVPN

8.2.1 <https://tools.ietf.org/html/rfc7432#section-8.2.1>.
Constructing Ethernet A-D per Ethernet Segment Route

   The Route Distinguisher (RD) MUST be a Type 1 RD [RFC4364
<https://tools.ietf.org/html/rfc4364>].  The
   *value field comprises an IP address of the PE (typically, the
   loopback address)* followed by a number unique to the PE.


Thanks,
TULASI RAMI REDDY N

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