Hi Vijay. Those cli commands come from the wiki url provided. The wiki was actually incorrect. The command is:
create teib <interface> peer <addr> nh <addr> [nh-table-id <ID>] (Which I just updated) On Fri, Dec 25, 2020 at 11:19 AM Vijay Kumar <vjkumar2...@gmail.com> wrote: > Hi Paul, > > Thanks for the response. > Could you clarify the below two points based out of your response? > > 1) Can the TEIB entry be filled by CLI and does TEIB concept apply for GRE > also(besides IPIP)? > > 2) I assume the address 192.168.0.2 points to the GRE destination that's > dynamically discovered. While the 10.1.1.1 address in your example below > refer to the tunnel src address hosted in VPP? > > > > Regards > > > > On Fri, 25 Dec 2020, 04:49 Paul Vinciguerra, <pvi...@vinciconsulting.com> > wrote: > >> Hi Vijay, >> >> The Tunnel Endpoint Information Base (TEIB), is the database of >> mappings. It was formerly called NHRP in VPP. >> It can be populated: >> >> 1. via the 'tieb ipip0 peer 192.168.0.2 nh 10.1.1.1' command >> 2. or when the SA is established, via 'ipsec tunnel protect ipip0 >> sa-in 20 sa-out 30 nh 192.168.0.2' >> >> See the ipsec wiki page [0] for more info. >> >> [0] https://wiki.fd.io/view/VPP/IPSec >> >> On Thu, Dec 24, 2020 at 1:59 PM Vijay Kumar <vjkumar2...@gmail.com> >> wrote: >> >>> Hi Paul, >>> >>> If you know about the below two questions that I asked in my last reply, >>> could you plz answer? >>> >>> >>> Regards. >>> >>> On Thu, 24 Dec 2020, 00:02 Vijay Kumar via lists.fd.io, <vjkumar2003= >>> gmail....@lists.fd.io> wrote: >>> >>>> Hi Paul, >>>> >>>> Question 1 >>>> By physical addresses you mean the routable public IPs that form the >>>> tunnel src and tunnel dst addresses? >>>> >>>> In my use case there is a GRE traffic that is originating from 5G >>>> mobiles and is received by the N3IWF (wifi gateway) as shown in the below >>>> topo. The GRE traffic generated by UE is over IPSEC (the GRE pkts have ESP >>>> encap). In the production, there can be several thousands of 5G UEs that >>>> generate gre-over-ipsec traffic that will terminate on a single p2mp >>>> (multipoint) GRE interface on the N3IWF gateway as shown below. >>>> >>>> Question 2 >>>> Since GRE is always encapsulated in IPSEC tunnel, do we still need to >>>> need to map the GRE tunnel addresses to physical addresses. I thought we >>>> would not be need GRE physical addresses in our use-case as there is the >>>> IPSEC that is always outermost hdr and would be used for routing >>>> >>>> >>>> Topo >>>> ================ >>>> UE ------(gre-over-ipsec traffic)----------N3IWF >>>> >>>> On Wed, Dec 23, 2020 at 10:12 AM Paul Vinciguerra < >>>> pvi...@vinciconsulting.com> wrote: >>>> >>>>> Hi Vijay, >>>>> >>>>> How are you planning to map the tunnel addresses to the >>>>> physical addresses? >>>>> >>>>> On Tue, Dec 22, 2020 at 9:04 PM Vijay Kumar <vjkumar2...@gmail.com> >>>>> wrote: >>>>> >>>>>> Hi Paul, >>>>>> >>>>>> Thanks for the information. >>>>>> >>>>>> Your script is talking about nhrp protocol. >>>>>> Is NHRP protocol mandatory to support mGRE? >>>>>> >>>>>> >>>>>> Regards >>>>>> >>>>>> On Wed, 23 Dec 2020, 01:24 Paul Vinciguerra, < >>>>>> pvi...@vinciconsulting.com> wrote: >>>>>> >>>>>>> Hi Vijay. >>>>>>> >>>>>>> Does this help any? >>>>>>> https://github.com/vpp-dev/vpp/blob/master/test/test_gre.py#L998 >>>>>>> >>>>>>> >>>>>>> On Tue, Dec 22, 2020 at 12:47 PM Vijay Kumar <vjkumar2...@gmail.com> >>>>>>> wrote: >>>>>>> >>>>>>>> Hi, >>>>>>>> >>>>>>>> Can someone help me understand if multipoint GRE (one gre interface >>>>>>>> that can communicate with multiple peers) is supported in the fd.ip GRE >>>>>>>> plugin? >>>>>>>> >>>>>>>> If yes, could you please share with me an example config for >>>>>>>> multi-point GRE. In the fd.io wiki pages, I am only seeing *p2mp >>>>>>>> *configuration >>>>>>>> (point to multipoint) for IP-in-IP but not for GRE >>>>>>>> >>>>>>>> >>>>>>>> Please share me an example config that I can use to test >>>>>>>> >>>>>>>> >>>>>>>> Regards >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>> >>>> >>>>
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