IntermediatePublished 2026-10-07
CCNP VRF & GRE: Two Tenants Down One Cable
Today's daily lab
Lab 2 of 2 in CCNP Virtualization: VRF-Lite & GRE · ← Previous
The tenant services moved to a core router. Carry both tenants over one cable and route each to its own services.
Learning objectives
- Carry two tenants over one 802.1Q link between routers
- Route each tenant with static routes in its own table
- Verify each host reaches its tenant's services and nothing else
Troubleshooting focus
- One tenant works and the other doesn't: compare the VLAN tag on both ends
- A route is configured but nothing forwards: check it went into the tenant's table
Topology
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How this lab is graded
- Build it your way. Where a lab lets you choose a value — a VLAN name, an interface description — grading checks that you configured it, not which name you picked. Names that another line has to reference, like an ACL applied with
access-class, are stated in the guide and do have to match. - Addresses, modes and protocol keywords are exact. An IP address, a subnet mask,
switchport mode trunk, an encapsulation — these carry the meaning of the lab, so they are graded as written in the guide. - Grading reads your saved configuration. Export the lab from CML after you have configured it, and make sure anything you set is in the
running-config— a change that only exists in a terminal session never reaches the grader. - You can submit as many times as you like. Your best score stands, and each attempt tells you which checks passed so you can work the gaps.
- Scored something you believe is correct? Use Report an issue on this page — that is exactly how the grading fixes in the changelog got found.
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