I suppose you should take a look at the updated RFC at https://datatracker.ietf.org/doc/html/rfc8200#section-4.5
Do you mind attaching your packet capture in this thread? It sounds to me that the destination address of the two fragments is your VPP instance running on the CentOS Linux (or you didn't actually run VPP at all?) which is trying to reassemble the fragments. Regards, Xiaodong On Wed, Dec 14, 2022 at 6:41 PM NUAA无痕 <nuaawan...@gmail.com> wrote: > Hi, vpp experts > Now i meet a problem that use IXIA software to test ipv6 support > > RFC2460 point out that all machine support ipv6 fragment must set MTU > cannot less than 1280, > but IXIA test ipv6 fragment will send two request frag packet that data > size is 768 and expect receive two reply packet, but our system(centos7) > only reply an ICMP error packet, because request packet size is less than > 1280 > > Is vpp support ipv6 fragment size less than 1280? > In addition that has some configure in centos7 can support this? > > I m unfamiliar with ipv6, looking forward your help! > > Best regards > wanghe > > > >
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