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350-501 · Question #626

Refer to the exhibit. A network engineer is configuring Ethernet Layer 2 service to connect CE2 and CE3 for video and data application sharing with these requirements: - A point-to-point cross-connect

The correct answer is A. xconnect group XCON1. To establish a point-to-point Ethernet Layer 2 cross-connect service on PE1 that allows dynamic neighbor learning in pseudowire 10, the xconnect group command is the appropriate configuration starting point.

Services

Question

Refer to the exhibit. A network engineer is configuring Ethernet Layer 2 service to connect CE2 and CE3 for video and data application sharing with these requirements:

  • A point-to-point cross-connect service must be established between

10.10.10.10 and 20.20.20.20.

  • PE1 and PE2 must learn neighbors dynamically in PW 10.

Which configuration must be implemented on PE1 to meet the requirements?

Exhibit

350-501 question #626 exhibit

Options

  • Axconnect group XCON1
  • B12vpn
  • C12vpn
  • D12vpn

How the community answered

(42 responses)
  • A
    71% (30)
  • B
    5% (2)
  • C
    7% (3)
  • D
    17% (7)

Why each option

To establish a point-to-point Ethernet Layer 2 cross-connect service on PE1 that allows dynamic neighbor learning in pseudowire 10, the `xconnect group` command is the appropriate configuration starting point.

Axconnect group XCON1Correct

The `xconnect group XCON1` command is used to define a group for point-to-point Layer 2 VPN services, often referred to as Ethernet over MPLS (EoMPLS) or Virtual Private Wire Service (VPWS). This group then contains the pseudowire configuration, including the pseudowire ID and the remote PE's address, to establish the cross-connect.

B12vpn

The option '12vpn' is not a valid configuration command or keyword for directly configuring an L2VPN service as described; it appears to be a typo or an incomplete entry.

C12vpn

The option '12vpn' is not a valid configuration command or keyword for directly configuring an L2VPN service as described; it appears to be a typo or an incomplete entry.

D12vpn

The option '12vpn' is not a valid configuration command or keyword for directly configuring an L2VPN service as described; it appears to be a typo or an incomplete entry.

Concept tested: Ethernet L2VPN point-to-point configuration

Source: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/mp_l2_vpns/configuration/xe-16/mp-l2-vpns-xe-16-book/config-mpls-l2-vpns.html

Topics

#L2VPN#EoMPLS#Pseudowire#Cisco IOS XR Configuration

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