[Huawei Netwwork] - VPN GRE interface unknow

hoangthanh

Hi

I wants the network topology mapping to be automatic. Their network connectivity from A Site to B Site are working on VPN GRE Tunnel with OSPF.

But tunnel status is up and interface status is unknow.

Please let me know how can resolve it

Thanks!

hoangthanh

every one help me with this case plz