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Exam 642-889 topic 1 question 126 discussion

Actual exam question from Cisco's 642-889
Question #: 126
Topic #: 1
[All 642-889 Questions]

Which option is a valid Cisco IOS XR BGP Layer 3 IPv4 MPLS VPN configuration?

  • A. router bgp 65001 no bgp default ipv4-unicast bgp log-neighbor-changes neighbor 1.2.3.4 remote-as 65001 neighbor 1.2.3.4 update-source Loopback0 address-family vpnv4 neighbor 1.2.3.4 activate neighbor 1.2.3.4 send-community extended exit-address-family address-family ipv4 vrf VPN redistribute ospf 100
  • B. router bgp 65001 no bgp default ipv4-unicast bgp log-neighbor-changes neighbor 1.2.3.4 remote-as 65001 neighbor 1.2.3.4 update-source Loopback0 address-family vpnv4 neighbor 1.2.3.4 activate exit-address-family address-family ipv4 vrf VPN redistribute ospf 100
  • C. router bgp 100 address-family vpnv4 unicast neighbor 2.2.2.2 remote-as 100 update-source Loopback0 address-family vpnv4 unicast ! vrf VPN_A rd 100:1 address-family ipv4 unicast redistribute ospf 100 D.
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Suggested Answer: C 🗳️
by [deleted] at April 3, 2025, 9:22 p.m.

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