An engineer plans to reconfigure an existing Cisco FTD from transparent mode to routed mode. Which additional action must be taken to maintain communication between the two network segments?
A.
Assign a unique VLAN ID for the interface in each segment.
B.
Update the IP addressing so that each segment is a unique IP subnet.
C.
Configure a NAT rule so that traffic between the segments is exempt from NAT.
D.
Deploy inbound ACLs on each interface to allow traffic between the segments.
correct
In routed mode, the FTD device is considered to be a router hop in the network. Each interface that you want to route between is on a different subnet.
And a firewall is a routed hop and acts as a default gateway for hosts that connect to one of its screened subnets. A transparent firewall, on the other hand, is a Layer 2 firewall that acts like a “bump in the wire,” or a “stealth firewall,”
https://www.cisco.com/c/en/us/td/docs/security/firepower/70/configuration/guide/fpmc-config-guide-v70/transparent_or_routed_firewall_mode_for_firepower_threat_defense.html
upvoted 2 times
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Doris8000
10 months, 1 week ago