6 votes 6 votes In Ipv4 reassembly of the fragments is done at the only destination or at intermediate routers also? Computer Networks computer-networks fragmentation + – rahul sharma 5 asked Aug 19, 2017 • retagged Aug 19, 2017 by sourav. rahul sharma 5 935 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
4 votes 4 votes From RFC The basic internet service is datagram oriented and provides for the fragmentation of datagrams at gateways, with reassembly taking place at the destination internet protocol module in the destination host Fragmentation is done at intermediate routers(if any) and reassembly only at destination host. check page 23 here https://www.ietf.org/rfc/rfc791.txt sourav. answered Aug 19, 2017 sourav. comment Share Follow See all 8 Comments See all 8 8 Comments reply Shubhanshu commented Aug 19, 2017 reply Follow Share Thanks @sourav. but can you please tell us about for ipv6 reassembly. 0 votes 0 votes sourav. commented Aug 19, 2017 reply Follow Share In IPv6 fragmentation is done ONLY at source Host and reassembly only at destination Host.No role of intermediate router(if any) is there is in fragmentation. 0 votes 0 votes saxena0612 commented Aug 19, 2017 reply Follow Share In ipv6 although we dont have any fragmentation option in header of ipv6 but both end systems can fragment according to MTU. 0 votes 0 votes Shubhanshu commented Aug 19, 2017 reply Follow Share Thanks @sourav. Any good ref to learn other stuff about IPv6. 0 votes 0 votes sourav. commented Aug 19, 2017 reply Follow Share https://gateoverflow.in/28706/what-do-you-suggest-to-study-for-wifi-and-ipv6 0 votes 0 votes rahul sharma 5 commented Aug 19, 2017 reply Follow Share @Saxena0612 In ipv6 although we dont have any fragmentation option in header of ipv6 but both end systems can fragment according to MTU. IPv6 has fragmentation extension header. I did't get your statement 0 votes 0 votes saxena0612 commented Aug 19, 2017 reply Follow Share Yes! check IPV6 and IPV4 headers , In ipv6 header the separate fragmentation part in header is removed but there is something known as external header which support all other information including fragmentation. 0 votes 0 votes Ram Swaroop commented Jun 9, 2019 reply Follow Share But some firewall do reassembly so we can not sure reassembly at router may be done or not 0 votes 0 votes Please log in or register to add a comment.