1 votes 1 votes What is the size of flow label in IPV6 header? In forouzan it is 24 bits but in tanenbaum it is 20 bits.Please some confirm? Computer Networks computer-networks ipv6 + – rahul sharma 5 asked Aug 16, 2017 • retagged Aug 16, 2017 by sourav. rahul sharma 5 464 views answer comment Share Follow See all 3 Comments See all 3 3 Comments reply sourav. commented Aug 16, 2017 reply Follow Share $20$ bit check RFC -: https://www.ietf.org/rfc/rfc2460.txt 1 votes 1 votes Jatin18 commented Aug 21, 2017 reply Follow Share 20.Even in forouzan it is given 20. 0 votes 0 votes rahul sharma 5 commented Aug 21, 2017 reply Follow Share I have special indian edition 4th in which it is written 24 0 votes 0 votes Please log in or register to add a comment.