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Ashlesh Gawande, 06/21/2017 10:42 AM
LSAs¶
NLSR no longer uses a combined sequence number as 1523 has been merged.
It uses a separate sequence number for each type of LSA.
Combined Sequence Number¶
The sequence numbers for each LSA type are combined and synced as one 64-bit sequence number.
The Name LSA sequence number is represented by a 24-bit value.
The Adjacency LSA and Coordinate LSA sequence numbers are represented by 20-bit values.
The sequence numbers are combined as follows:
Combined sequence number = (Name LSA SeqNo << 40) | (Coordinate LSA SeqNo << 20) | (Adjacency LSA SeqNo)
Updated by Ashlesh Gawande over 7 years ago · 3 revisions