350-501 Services Practice Question
A service provider is implementing L2VPN using EoMPLS. The CE devices are connected to two different PE routers, and the PE routers are configured with xconnect under the attachment circuit. Which command is required on the PE routers to establish the pseudowire?
⚠ Common exam trap
Cisco often tests the distinction between BGP-based L2VPN (Option C) and MPLS L2VPN using targeted LDP (Option B), where candidates mistakenly apply BGP commands for a simple EoMPLS pseudowire that does not require BGP.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
mpls l2transport route 10.1.1.2 100
The `mpls l2transport route` command is used under the xconnect configuration on a PE router to specify the remote PE's IP address and the VC ID for the pseudowire. This command establishes the MPLS L2VPN circuit by creating a targeted LDP session for label exchange, which is required for EoMPLS pseudowire setup.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
l2vpn xconnect context
Why it's wrong here
This is a global configuration mode, not a command to specify the remote peer.
- ✓
mpls l2transport route 10.1.1.2 100
Why this is correct
This defines the peer IP and VC ID for the pseudowire.
- ✗
neighbor 10.1.1.2 remote-as 100
Why it's wrong here
This is BGP configuration, not L2VPN.
- ✗
pseudowire 10.1.1.2 100 encapsulation mpls
Why it's wrong here
Not a valid Cisco command for EoMPLS.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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