Feature Name |
IPv4 GRE |
IPv6 GRE |
Implementation Difference |
|---|---|---|---|
Basic GRE principles |
Yes |
Yes |
For an IPv6 GRE tunnel:
|
Keepalive detection |
Yes |
No |
IPv6 GRE can respond to Keepalive detection packets sent from other devices, but cannot send Keepalive detection packets. |
GRE security mechanism |
Yes |
No |
- |