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OpenStack vm not getting internet

I deployed openstack multinode(3 controller , 3 compute , 2 network node) using kolla-ansible version stein , after deployment my instance are not able to reach internet but they can ping gateway, and dns both , but are not geeting internet. i can not ping any thing on internet from virtual router also. any one can help me on this .

interface detail: p3p1 - 192.168.40.xx managment p3p2 - 192.168.30.xx tunnel em1 - external with no ip on both network node

Manager "ptcp:6640:127.0.0.1" is_connected: true Bridge br-int Controller "tcp:127.0.0.1:6633" is_connected: true fail_mode: secure Port "qr-3510cc16-a5" tag: 1 Interface "qr-3510cc16-a5" type: internal Port "ha-122b99fc-9f" tag: 2 Interface "ha-122b99fc-9f" type: internal Port int-br-ex Interface int-br-ex type: patch options: {peer=phy-br-ex} Port "tap00540194-00" tag: 1 Interface "tap00540194-00" type: internal Port "qg-33e732e3-1b" tag: 4 Interface "qg-33e732e3-1b" type: internal Port br-int Interface br-int type: internal Port patch-tun Interface patch-tun type: patch options: {peer=patch-int} Bridge br-tun Controller "tcp:127.0.0.1:6633" is_connected: true fail_mode: secure Port br-tun Interface br-tun type: internal Port patch-int Interface patch-int type: patch options: {peer=patch-tun} Port "vxlan-c0a81e5c" Interface "vxlan-c0a81e5c" type: vxlan options: {df_default="true", in_key=flow, local_ip="192.168.30.82", out_key=flow, remote_ip="192.168.30.92"} Bridge br-ex Controller "tcp:127.0.0.1:6633" is_connected: true fail_mode: secure Port phy-br-ex Interface phy-br-ex type: patch options: {peer=int-br-ex} Port br-ex Interface br-ex type: internal Port "em1" Interface "em1"

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