Hi Ole, Thanks for the information.
Suppose my IP datagram gets fragmented into fragments F.1 and F.2, do these again get submitted to ip4-input ? I am trying to figure out the path in the graph from the time I submit my v4 IP datagram to ip4-lookup. What is crucial for me to know is if the fragments do land up at ip4-input or not. Regards -Prashant On Thu, Nov 8, 2018 at 10:11 PM Ole Troan <otr...@employees.org> wrote: > > > > > On 8 Nov 2018, at 23:26, Prashant Upadhyaya <praupadhy...@gmail.com> wrote: > > > > Hi, > > > > If I hand-construct an IP datagram (bigger than mtu) using chained > > vlib buffers and send this chain to ip4-lookup, would that be > > fragmented and sent out as per the mtu requirements of the interface > > from which the packet is determined to be sent out ? (assume that the > > rx and tx sw_if_index is properly set) > > > > If not, which node do I send this datagram to, to achieve effectively > > the above ? > > Yes, if IPv4 and DF==0. > And you better remember that IP fragments are almost never a good idea. > > Cheers > Ole > > > > -=-=-=-=-=-=-=-=-=-=-=- > > Links: You receive all messages sent to this group. > > > > View/Reply Online (#11172): https://lists.fd.io/g/vpp-dev/message/11172 > > Mute This Topic: https://lists.fd.io/mt/28037801/675193 > > Group Owner: vpp-dev+ow...@lists.fd.io > > Unsubscribe: https://lists.fd.io/g/vpp-dev/unsub [otr...@employees.org] > > -=-=-=-=-=-=-=-=-=-=-=-
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