Test Your Knowledge of IPsec Configuration for SD-WAN Overlays

Which interface is the tunnel bound to for the dial-up ISP1 overlays?

port4
port2
port1 (correct)
port3

What is the mode config address range for the dial-up ISP2 overlays?

10.201.1.0/24
10.204.1.0/24
10.202.1.0/24 (correct)
10.203.1.0/24

What is the type of the tunnel set to for the dial-up ISP1 overlays?

dynamic (correct)
static
manual
hybrid

Which version of IKE is often preferred for SD-WAN?

IKE-v2 (B) Signup and view all the answers

What is the purpose of disabling the 'net-device' setting?

To improve performance on large deployments (C) Signup and view all the answers

What is the recommended mode for dead peer detection on dial-up servers?

On-demand (A) Signup and view all the answers

What is the purpose of enabling 'mode-cfg'?

To assign IP-addresses to overlays on spokes (B) Signup and view all the answers

What is the binding interface for the dial-up ISP2 overlays?

port2 (C) Signup and view all the answers

What is the purpose of disabling the 'add-route' setting?

To exchange routing information through the tunnels (B) Signup and view all the answers

What is the recommended mode for hubs to scale better?

Passive (C) Signup and view all the answers

Which protocol is used for exchanging prefixes in the SD-WAN overlay design?

BGP (D) Signup and view all the answers

What is the purpose of the loopback interface in the SD-WAN overlay design?

To act as the target server for performance SLAs (A) Signup and view all the answers

Why is it necessary to disable net-device in the phase1 configuration of IPsec tunnels in the SD-WAN overlay design?

To allow BGP peerings (A) Signup and view all the answers

What is the benefit of using passive monitoring in the SD-WAN overlay design?

Reduced administrative overhead (C) Signup and view all the answers

What is the advantage of using route tags instead of fixed firewall address objects in the SD-WAN overlay design?

Easier configuration changes (C) Signup and view all the answers

Why is IBGP preferred over EBGP in the SD-WAN overlay design?

It preserves the next hop for prefixes (D) Signup and view all the answers

What must be enabled to support Equal Cost Multipath (ECMP) for IBGP routes in the SD-WAN overlay design?

ibgp-multipath (D) Signup and view all the answers

What is the purpose of the route-reflector-client setting in the SD-WAN overlay design?

To act as a route reflector (B) Signup and view all the answers

Why is the update-source setting configured in the BGP configuration of the SD-WAN overlay design?

To ensure consistency in source IP addresses (A) Signup and view all the answers

What does the BGP route reflector do in the SD-WAN overlay design?

Reflect learned routes from a spoke to other spokes (C) Signup and view all the answers

Which overlay does the hub use to learn the 10.0.1.0/24 prefix?

T_INET_0 (C) Signup and view all the answers

What are the next hop IP addresses for the hub to learn the 10.0.1.0/24 prefix?

10.201.1.1 and 10.202.1.1 (C) Signup and view all the answers

What does spoke2 perform to determine the outgoing interface for the prefixes?

Recursive lookup (C) Signup and view all the answers

Why are there two duplicate routes for the 10.0.1.0/24 prefix in the routing table of spoke2?

IBGP preserves the next hop (C) Signup and view all the answers

What is the reason for the hub not reflecting the path through 10.202.1.1?

The hub is not configured to advertise additional paths (A) Signup and view all the answers

What is the purpose of the neighbor-range entry in the IBGP configuration?

Defines the IP-address range for each neighbor group (A) Signup and view all the answers

What does the config network entry in the IBGP configuration indicate?

The interior gateway protocol and prefix to inject into the BGP table (B) Signup and view all the answers

Why is the network entry for 10.1.0.0/24 included in the IBGP configuration?

To advertise the connected route to the spokes (D) Signup and view all the answers

What does IGP refer to in the context of the hub routing table?

Non-BGP routes such as OSPF, Rip, connected, and static (D) Signup and view all the answers

Starting from which FortiOS versions are duplicate routes consolidated in the routing table output?

6.4.7 and 7.0.1 (D) Signup and view all the answers