Which statement best describes GRE protocol?
A. GRE adds the new IP header, encapsulates the original IP packet, and adds the GRE header at the end of the IP packet.
B. GRE adds the new IP header, inserts the GRE header, and encapsulates the original IP packet.
C. GRE uses the original IP header and adds the GRE header at the end of the packet.
D. GRE uses the original IP header and inserts the GRE header between the IP header and payload.
Answer:B
Which statement best describes GRE protocol?
A. GRE adds the new IP header, encapsulates the original IP packet, and adds the GRE header at the end of the IP packet. B. GRE adds the new IP header, inserts the GRE header, and encapsulates the original IP packet. C. GRE uses the original IP header and adds the GRE header at the end of the packet. D. GRE uses the original IP header and inserts the GRE header between the IP header and payload.