Hi Neale, It seems all fine now. Thank you.
Fedor On 08/27/2018 05:30 PM, Neale Ranns (nranns) wrote:
Hi Fedor, You have exposed a bug. Thanks. Please re-test including: https://gerrit.fd.io/r/#/c/14504/ /neale *From: *<vpp-dev@lists.fd.io> on behalf of Fedor Kazmin <kahzee...@yandex-team.ru> *Date: *Monday, 27 August 2018 at 13:25 *To: *"vpp-dev@lists.fd.io" <vpp-dev@lists.fd.io> *Subject: *[vpp-dev] VPP hangs on GRE interface going up Hello, all I have got an issue with MPLS-o-GRE encapsulation, need some help. VPP hangs on GRE interface going up. Both stable/1804 and master, Ubuntu Xenial, gcc 5.4.0 Steps to reproduce: 1. Create and configure veth pair ip link add name veth0 type veth peer name vpp0 ip link set dev vpp0 up ip link set dev veth0 up ip addr add 172.16.0.1/24 dev veth0 2. Run VPP and configure a tunnel DBGvpp# sh ver vpp v18.10-rc0~248-g4553c95 built by kahzeemin on kahzeemin-nix at Mon Aug 27 12:57:07 MSK 2018 DBGvpp# create host name vpp0 host-vpp0 DBGvpp# set int state host-vpp0 up DBGvpp# set int ip addr host-vpp0 172.16.0.2/24 DBGvpp# create gre tun src 172.16.0.2 dst 172.16.0.1 gre0 DBGvpp# ip route add 10.0.0.1/32 via gre0 out-labels 100 DBGvpp# sh ip fib 10.0.0.1 ipv4-VRF:0, fib_index:0, flow hash:[src dst sport dport proto ] locks:[src:plugin-hi:2, src:adjacency:1, src:default-route:1, ] 10.0.0.1/32 fib:0 index:12 locks:2 src:CLI refs:1 entry-flags:attached, src-flags:added,contributing,active, path-list:[14] locks:2 flags:shared, uPRF-list:12 len:1 itfs:[2, ] path:[14] pl-index:14 ip4 weight=1 pref=0 attached-nexthop: cfg-flags:attached, 10.0.0.1 gre0 (p2p) [@0]: ipv4 via 0.0.0.0 gre0: mtu:9000 4500000000000000fe2f64abac100002ac10000100000800 stacked-on: [@0]: dpo-drop ip4 Extensions: path:14 labels:[[100 pipe ttl:0 exp:0]] forwarding: unicast-ip4-chain [@0]: dpo-load-balance: [proto:ip4 index:14 buckets:1 uRPF:12 to:[0:0]] [0] [@0]: dpo-drop ip4 DBGvpp# set int state gre0 up /****VPP becomes unresponive**/ Thank you in advance, Fedor
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