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What is a limitation of IPv6 RA Guard?
What is a limitation of IPv6 RA Guard?A . It is not supported in hardware when TCAM is programmedB . It does not offer protection in environments where IPv6 traffic is tunneled.C . It cannot be configured on a switch port interface in the ingress directionD . Packets that are...
Which command is issued in IPv6 router EIGRP 100 configuration mode to solve this issue?
Refer to the exhibit. Users in the branch network of 2001:db8:0:4::/64 report that they cannot access the Internet. Which command is issued in IPv6 router EIGRP 100 configuration mode to solve this issue?A . Issue the eigrp stub command on R1B . Issue the no neighbor stub command on R2.C...
Which transport layer protocol is used to form LDP sessions?
Which transport layer protocol is used to form LDP sessions?A . UDPB . SCTPC . TCPD . RDPView AnswerAnswer: C Explanation: LDP multicasts hello messages to a well-known UDP port (646) in order to discover neighbors. Once the discovery is accomplished, a TCP connection (port 646) is established and the...
How is this issue resolved?
Refer to the exhibit. An engineer is monitoring reachability of the configured default routes to ISP1 and ISP2. The default route from ISP1 is preferred if available. How is this issue resolved?A . Use the icmp-echo command to track both default routesB . Use the same AD for both default...
What is the reason the route is not advertised?
Refer to the exhibit. R2 is a route reflector, and R1 and R3 are route reflector clients. The route reflector learns the route to 172.16.25.0/24 from R1, but it does not advertise to R3. What is the reason the route is not advertised?A . R2 does not have a route...
Why is user authentication being rejected?
Refer to the exhibit. Why is user authentication being rejected?A . The TACACS+ server expects “user”, but the NT client sends “domain/user”.B . The TACACS+ server refuses the user because the user is set up for CHAD . The TACACS+ server is down, and the user is in the local...
What does the imp-null tag represent in the MPLS VPN cloud?
Refer to the exhibit. What does the imp-null tag represent in the MPLS VPN cloud?A . Pop the labelB . Impose the labelC . Include the EXP bitD . Exclude the EXP bitView AnswerAnswer: A Explanation: The Dimp-null‖ (implicit null) tag instructs the upstream router to pop the tag entry...
What is the reason that the router still sends traffic that is destined to AS 690 to a neighbor other than 10.222.1.1?
Refer to the exhibit. A router receiving BGP routing updates from multiple neighbors for routers in AS 690. What is the reason that the router still sends traffic that is destined to AS 690 to a neighbor other than 10.222.1.1?A . The local preference value in another neighbor statement is...
What is a function of IPv6 ND inspection?
What is a function of IPv6 ND inspection?A . It learns and secures bindings for stateless autoconfiguration addresses in Layer 3 neighbor tablesB . It learns and secures bindings for stateless autoconfiguration addresses in Layer 2 neighbor tablesC . It learns and secures bindings for stateful autoconfiguration addresses in Layer...
What is the reason for the error?
When provisioning a device in Cisco DNA Center, the engineer sees the error message “Cannot select the device. Not compatible with template”. What is the reason for the error?A . The template has an incorrect configuration.B . The software version of the template is different from the software version of...
