Hi, Can you add a security group rule with protocol number 47 (GRE) ?
-Wei On Sun, 14 Jan 2024 at 00:30, Fariborz Navidan <mdvlinqu...@gmail.com> wrote: > Hi Friends, > > We have a client who is running two VMs on our cloud. They are running GRE > tunnel between their VMs and a server outside our network. After last > reboot of KVM hosts, their GRE tunnel stopped working. The GRE tunnel is > established and private IPs are assigned to both peers buy peers are not > able to reach each other using their private IP addresses. > > We have already added all protocols and CIDRs (0.0.0.0/0) into the > security > groups belonging to the VMs. > > Should we do something on hosts to allow GRE tunneling? > > Please advise. > > Kind Regards. >
