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Cisco 300-410 Exam Questions
Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) (Page 24 )

Updated On: 24-Feb-2026
Page 24 of 125
PDF with 640 Questions

Refer to the exhibit. The network administrator configured VRF lite for customer A. The technician at the remote site misconfigured VRF on the router.


Which configuration will resolve connectivity for both sites of customer_a?





Answer(s): D



What does the PE router convert the IPv4 prefix to within an MPLS VPN?

  1. eBGP path association between the PE and CE sessions
  2. prefix that combines the ASN, PE router-id, and IP prefix
  3. 48-bit route combining the IP and PE router-id
  4. VPN-IPv4 prefix combined with the 64-bit route distinguisher

Answer(s): D



Refer to the exhibit. Which interface configuration must be configured on the HUB router to enable MVPN with mGRE mode?


  1. interface Tunnel0
    descriptionmGRE - DMVPN Tunnel
    ip address 10.1.0.1 255.255.255.0
    ipnhrp map multicast dynamic
    ipnhrp network-id 1
    tunnel source 172.17.0.1
    ipnhrp map 10.0.0.11 172.17.0.2
    ipnhrp map 10.0.0.12 172.17.0.3
    tunnel mode gre

  2. interface Tunnel0
    descriptionmGRE - DMVPN Tunnel
    ip address 10.0.0.1 255.255.255.0
    ipnhrp map multicast dynamic
    ipnhrp network-id 1
    tunnel source 10.0.0.1
    tunnel mode gre multipoint

  3. interface Tunnel0
    descriptionmGRE - DMVPN Tunnel
    ip address 10.0.0.1 255.255.255.0
    ipnhrp network-id 1
    tunnel source 172.17.0.1
    tunnel mode gre multipoint

  4. interface Tunnel0
    descriptionmGRE - DMVPN Tunnel
    ip address 10.0.0.1 255.255.255.0
    ipnhrp map multicast dynamic
    ipnhrp network-id 1
    tunnel source 10.0.0.1
    tunnel destination 172.17.0.2
    tunnel mode gre multipoint

Answer(s): C



How are MPLS Layer 3 VPN services deployed?

  1. The RD and RT values must match under the VRF.
  2. The import and export RT values under a VRF must always be the same.
  3. The label switch path must be available between the local and remote PE routers.
  4. The RD and RT values under a VRF must match on the remote PE router.

Answer(s): C



Which IGPs are supported by the MPLS LDP autoconfiguration feature?

  1. ISIS and RIPv2
  2. RIPv2 and OSPF
  3. OSPF and EIGRP
  4. OSPF and ISIS

Answer(s): D


Reference:

https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/mp_ldp/configuration/15-s/mp-ldp-15-s-book/mp-ldp-autoconfig.pdf






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