Question
-
Is it possible to tunnel IPv6 within the IPv4 GRE tunnel, or if it is mandatory to have IPv6 GRE tunnel?
- Can we announce both IPv4 and IPv6 subnets over a single ipv4 based tunnel?
Environment
- Silverline DDoS
- GRE Tunnels
Answer
- Yes, it is possible to advertise IPv6 prefix inside GRE tunnel when advertising to us.
- It will be GRE tunnel (IPv4) with IPv6 BGP peering address inside it.
- You can enable it in the GRE tunnel configuration by checking the box labeled "Has v6 interconnect.'
