Hi Neale, Yep, it's up and running. Thanks man.
Best Regards, Omer On Fri, Jan 11, 2019, 1:33 PM Neale Ranns (nranns) <nra...@cisco.com wrote: > > > Hi Omer, > > > > Do you have your use case working now? > > > > /neale > > > > *De : *<omer.maj...@sofioni.com> au nom de "omer.maj...@sofioni.com" < > omer.maj...@sofioni.com> > *Date : *vendredi 11 janvier 2019 à 02:57 > *À : *"Neale Ranns (nranns)" <nra...@cisco.com> > *Cc : *Omer Majeed <omer.majeed...@gmail.com>, "vpp-dev@lists.fd.io" < > vpp-dev@lists.fd.io> > *Objet : *Re: [vpp-dev] :: GRE tunnel dropping MPLS packets > > > > Hi Neale, > > Route for destination IP of GRE tunnel was also added as an MPLS route. > > And MPLS in VPP doesn't work for L2 forwarding, hence GRE tunnel was > dropping packets. > > Thanks. > > Best Regards, > > Omer > > > > > > On 2019-01-08 17:12, Neale Ranns via Lists.Fd.Io wrote: > > > > Hi Omer, > > > > Your config looks OK. I would start debugging with a packet trace. > > > > /neale > > > > > > *De : *<vpp-dev@lists.fd.io> au nom de Omer Majeed < > omer.majeed...@gmail.com> > *Date : *lundi 7 janvier 2019 à 20:47 > *À : *"vpp-dev@lists.fd.io" <vpp-dev@lists.fd.io> > *Objet : *[vpp-dev] :: GRE tunnel dropping MPLS packets > > > > Hi, > > > > I'm running VPP on Centos 7 machine (say machine A), and running an > application on other centos 7 machine (say machine B). > > I've made a GRE tunnel between those 2 machines. > > > > vpp# show gre tunnel > [0] instance 0 src 192.168.17.10 dst 192.168.17.6 fib-idx 0 sw-if-idx 8 > payload L3 > > > > Made that gre0 interface mpls enabled. > > I added outgoing mpls routes in VPP for IPs on machine B > > > > vpp# show ip fib table 2 > > 192.168.100.4/32 > unicast-ip4-chain > [@0]: dpo-load-balance: [proto:ip4 index:47 buckets:1 uRPF:49 to:[0:0]] > [0] [@10]: mpls-label[2]:[25:64:0:eos] > [@1]: mpls via 0.0.0.0 gre0: mtu:9000 > 4500000000000000fe2f196ec0a8110ac0a8110600008847 > stacked-on: > [@3]: ipv4 via 192.168.17.6 loop9000: mtu:9000 > ac1f6b20498fdead000000280800 > 192.168.100.5/32 > unicast-ip4-chain > [@0]: dpo-load-balance: [proto:ip4 index:46 buckets:1 uRPF:47 to:[0:0]] > [0] [@10]: mpls-label[0]:[30:64:0:eos] > [@1]: mpls via 0.0.0.0 gre0: mtu:9000 > 4500000000000000fe2f196ec0a8110ac0a8110600008847 > stacked-on: > [@3]: ipv4 via 192.168.17.6 loop9000: mtu:9000 > ac1f6b20498fdead000000280800 > > > > For reverse traffic I've added MPLS routes given below > > > > vpp# show mpls fib table 0 > > 18:eos/21 fib:0 index:29 locks:2 > src:API refs:1 entry-flags:uRPF-exempt, > src-flags:added,contributing,active, > path-list:[35] locks:20 flags:shared, uPRF-list:31 len:0 itfs:[] > path:[35] pl-index:35 ip4 weight=1 pref=0 deag: oper-flags:resolved, > [@0]: dst-address,unicast lookup in ipv4-VRF:2 > > forwarding: mpls-eos-chain > [@0]: dpo-load-balance: [proto:mpls index:32 buckets:1 uRPF:32 to:[0:0]] > [0] [@6]: mpls-disposition:[0]:[ip4, pipe] > [@7]: dst-address,unicast lookup in ipv4-VRF:2 > 19:eos/21 fib:0 index:38 locks:2 > src:API refs:1 entry-flags:uRPF-exempt, > src-flags:added,contributing,active, > path-list:[35] locks:20 flags:shared, uPRF-list:31 len:0 itfs:[] > path:[35] pl-index:35 ip4 weight=1 pref=0 deag: oper-flags:resolved, > [@0]: dst-address,unicast lookup in ipv4-VRF:2 > > forwarding: mpls-eos-chain > [@0]: dpo-load-balance: [proto:mpls index:41 buckets:1 uRPF:41 to:[0:0]] > [0] [@6]: mpls-disposition:[9]:[ip4, pipe] > [@7]: dst-address,unicast lookup in ipv4-VRF:2 > > > > When I try to ping from machine B to an IP in machine B (VPP VRF 2) > through that GRE tunnel, I receive packets but GRE tunnel drops the packets. > > vpp# show int gre0 > > Name Idx State Counter > Count > gre0 8 up rx > packets 66 > rx > bytes 6996 > > drops 66 > > (nil) 66 > > > > Is there anything else that needs to be done to get MPLS over GRE working? > > Any suggestions on how to debug the issue? > > > > Thanks a lot. > > Best Regards, > > Omer > > > > -=-=-=-=-=-=-=-=-=-=-=- > Links: You receive all messages sent to this group. > > View/Reply Online (#11864): https://lists.fd.io/g/vpp-dev/message/11864 > Mute This Topic: https://lists.fd.io/mt/28966281/984664 > Group Owner: vpp-dev+ow...@lists.fd.io > Unsubscribe: https://lists.fd.io/g/vpp-dev/unsub [omer.maj...@sofioni.com > ] > -=-=-=-=-=-=-=-=-=-=-=- > >
-=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#11899): https://lists.fd.io/g/vpp-dev/message/11899 Mute This Topic: https://lists.fd.io/mt/28966281/21656 Group Owner: vpp-dev+ow...@lists.fd.io Unsubscribe: https://lists.fd.io/g/vpp-dev/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-