Refer to the exhibit.
XR4 must protect itself from a DOS attack against its BGP process from R1 by using the
TTL security feature. Which configuration achieves this goal?
A.
router bgp 100
neighbor 10.10.14.1 ttl-security
B.
router bgp 100
neighbor 10.10.14.1 ttl-security hops 1
C.
router bgp 100
neighbor 10.10.14.1 ttl-security hops 254
D.
router bgp 100
neighbor 10.10.14.1 ttl-security hops 255
Hi, I’m doing a test in gns3 for this command and it is no posible
PE-Lurin(config-router)#neighbor 10.200.2.1 ttl-security
% Incomplete command.
PE-Lurin(config-router)#neighbor 10.200.2.1 ttl-security hops 1
PE-Lurin(config-router)#