Hi Ewan, As with all interface types, if you want to RX IP traffic on a GRE interface, then it either needs an IP address or to be unnumbered to another interface that has an address.
Regards, neale From: "yug...@telincn.com" <yug...@telincn.com> Date: Wednesday, 25 October 2017 at 05:34 To: "Neale Ranns (nranns)" <nra...@cisco.com>, vpp-dev <vpp-dev@lists.fd.io> Subject: Re: Re: [vpp-dev] GRE error on vpp 17.04 Hi neale, Do we need to set ip address on gre interface? Regards, Ewan ________________________________ yug...@telincn.com From: Neale Ranns (nranns)<mailto:nra...@cisco.com> Date: 2017-10-24 19:07 To: yug...@telincn.com<mailto:yug...@telincn.com>; vpp-dev<mailto:vpp-dev@lists.fd.io> Subject: Re: [vpp-dev] GRE error on vpp 17.04 Hi Ewan, I have more positive results; vagrant@localhost:/vpp$ vppctl vpp# vpp# sh int Name Idx State Counter Count local0 0 down vpp# create gre tunnel src 1.1.1.1 dst 2.2.2.2 gre0 vpp# set int ip address gre0 9.9.9.1/24 vpp# sh int addr gre0 (dn): 9.9.9.1/24 local0 (dn): vpp# sh ver vpp v17.04.2-4~ga8f93f8 built by vagrant on localhost at Tue Oct 24 02:20:15 PDT 2017 vpp# perhaps there is something broken with your VPP install? /neale From: "yug...@telincn.com" <yug...@telincn.com> Date: Tuesday, 24 October 2017 at 10:10 To: "Neale Ranns (nranns)" <nra...@cisco.com>, vpp-dev <vpp-dev@lists.fd.io> Subject: Re: Re: [vpp-dev] GRE error on vpp 17.04 Hi neale, There is no overlapping sub-net, here are more info. root@ubuntu:/home/ewan# vppctl create gre tunnel src 1.1.1.1 dst 2.2.2.2 gre0 root@ubuntu:/home/ewan# vppctl show int addr gre0 (dn): local0 (dn): root@ubuntu:/home/ewan# vppctl set int ip address gre0 9.9.9.1/24 exec error: Misc Regards, Ewan ________________________________________ yug...@telincn.com From: Neale Ranns (nranns) Date: 2017-10-24 00:06 To: yug...@telincn.com; vpp-dev Subject: Re: [vpp-dev] GRE error on vpp 17.04 Hi Ewan, Are you adding an overlapping sub-net? Can we see please: sh int addr regards, neale From: <vpp-dev-boun...@lists.fd.io> on behalf of "yug...@telincn.com" <yug...@telincn.com> Date: Monday, 23 October 2017 at 10:20 To: vpp-dev <vpp-dev@lists.fd.io> Subject: [vpp-dev] GRE error on vpp 17.04 Hi all, I've encountered one error when I try GRE function, here are details, any idea? root@test:~# vppctl show int Name Idx State Counter Count GigabitEthernet0/19/0 1 up GigabitEthernet2/0/0 2 up rx packets 254671 rx bytes 37541529 tx packets 48109 tx bytes 2086857 drops 254385 punts 276 ip4 79595 ip6 158846 tx-error 14 gre0 5 down host-vGE0_19_0 3 up rx packets 1173 rx bytes 166827 drops 1173 ip6 1173 host-vGE2_0_0 4 up rx packets 2004 rx bytes 270989 tx packets 32301 tx bytes 10289989 drops 1813 ip4 804 ip6 1182 local0 0 down root@test:~# vppctl set int ip address gre0 9.9.9.1/24 exec error: Misc root@vbras:~# Regards, EWAN ________________________________________ yug...@telincn.com
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