JN0-349 · Question #109
Router-1 and Router-2 need to connect through the Internet using a tunneling technology. Hosts that are connected to Router-1 and Router-2 will be sending traffic up to 1500 bytes. The maximum…
The correct answer is D. IP-IP tunnel. Difference Between GRE and IP-IP Tunnel. Generic Routing Encapsulation (GRE) and IP-in-IP (IPIP) are two rather similar tunneling mechanisms which are often confused. In terms of less overhead, the GRE header is 24 bytes and an IP header is 20 bytes.
Question
Router-1 and Router-2 need to connect through the Internet using a tunneling technology. Hosts that are connected to Router-1 and Router-2 will be sending traffic up to 1500 bytes. The maximum segment size is supported across the path is 1520 bytes. Which tunneling technology will allow this communication to take place?
Options
- AGRE tunnel
- BIPsec VPN transport mode
- CIPsec VPN tunnel mode
- DIP-IP tunnel
How the community answered
(28 responses)- A14% (4)
- B4% (1)
- C7% (2)
- D75% (21)
Explanation
Difference Between GRE and IP-IP Tunnel. Generic Routing Encapsulation (GRE) and IP-in-IP (IPIP) are two rather similar tunneling mechanisms which are often confused. In terms of less overhead, the GRE header is 24 bytes and an IP header is 20 bytes.
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