Thank you, it helped !! On Tue, Dec 6, 2022 at 7:05 PM David Ahern <dsahern@xxxxxxxxx> wrote: > > On 12/6/22 5:26 PM, team lnx wrote: > > > > Sure, I did search for it and read some article but found that > > BPF_FIB_LKUP_RET_NOT_FWDED means packets > > are not forwarded and only unicast are forwarded. Verified prog id and > > map id using bpftool to confirm if it has any issue > > ok, so this one: > > if (res.type != RTN_UNICAST) > return BPF_FIB_LKUP_RET_NOT_FWDED; > > and the discussion about local return. If this is really supposed to be > forwarding and not local delivery, the next step is verifying the > routing tables and fib lookup parameters: > perf record -e fib:* -a > <run test> > ctrl-c > perf script > > the tracepoints will show you input variables, table ids and result. > > > > > interface details: > > prog/xdp id: 4 > > map_ids: 1 > > btf_id: 7 > > > > ./bpftool map show id 1 > > 1: devmap name xdp_tx_ports flags 0x80 > > > > Any hints or suggestions on debugging this issue would be helpful ! > > > > Thanks >