Fortinet
NSE4 · Question #21
In the case of TCP traffic, which of the following correctly describes the routing table lookups performed by a FortiGate operating in NAT/Route mode, when searching for a suitable gateway?
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Submitted by anjalisingh· Apr 18, 2026VPN and Routing
Question
In the case of TCP traffic, which of the following correctly describes the routing table lookups performed by a FortiGate operating in NAT/Route mode, when searching for a suitable gateway?
Options
- AA lookup is done only when the first packet coming from the client (SYN) arrives.
- BA lookup is done when the first packet coming from the client (SYN) arrives, and a second one is
- CThree lookups are done during the TCP 3-way handshake (SYN, SYN/ACK, ACK).
- DA lookup is always done each time a packet arrives, from either the server or the client side.
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Topics
#Routing Table Lookup#TCP Session#FortiGate Operation#NAT/Route Mode