+vpp-dev <vpp-dev@lists.fd.io> resend after a bounce earlier today. Thanks to Ben and Dave for rescuing our mailinglist :)
On Fri, Mar 4, 2022 at 10:00 AM Pim van Pelt <p...@ipng.nl> wrote: > +vpp-dev > > I wasn't aware of a mailinglist outage, but I'm sure it'll solve itself > soon enough :-) putting the list back on CC. > > VPP has a ping plugin, which you are recommended to turn off when using > Linux controlplane - see the note all the way at the bottom here: > https://s3-docs.fd.io/vpp/22.06/developer/plugins/lcp.html?highlight=ping > > Leaving the ping plugin on will allow VPP to respond to pings itself (ie > not punt them into the TAP device for Linux to see), but as you observed, > higher level tools, like FRR, will not receive the packets in this case. > You didn't specify it very clearly, but for other readers, I assume when > you said 'running FRR, ... only see the hello broadcast packets' , that you > meant to run OSPF and you saw hello multicast packets. Incidentally, I > don't know why FRR insists on pinging its neighbors before establishing an > OSPF adjacency - it seems unnecessary, and even undesirable to me. > > groet, > Pim > > On Fri, Mar 4, 2022 at 1:15 AM Chunhui Zhan <chun...@emmuni.com> wrote: > >> Hi, Pim, >> The vpp-dev mail group is down, so I DM you here: >> >> I am using vpp 21.10 plus your private lcp repo >> github.com/pimvanpelt/lcpng.git/ >> >> I have a loopback interface 10.10.0.200/31 as bvi on two different >> boxes, and gre tunnel them together. The loopback interfaces are lcp to >> the hosts. >> >> I could ssh from one host loopback to another box, icmp ping works too. >> But the icmp reply is directly coming from the loopback on the vpp, the >> icmp packet was not forwarded to the host interface(verified through >> tcpdump). >> Running frr on the lcp host interface failed, only see the hello >> broadcast packets. >> >> Does the lcp not work on the loopback interface. >> >> Thanks. >> Chunhui >> > > > -- > Pim van Pelt <p...@ipng.nl> > PBVP1-RIPE - http://www.ipng.nl/ > -- Pim van Pelt <p...@ipng.nl> PBVP1-RIPE - http://www.ipng.nl/
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