When Data Centers are in the same campus, a simple solution could be a VSX LAG between pairs of VSX switches that allows the extension of L2 domains:

Question

Options

• ATrue
• BFalse

• A
  90% (28)
• B
  10% (3)

Explanation

Option A is correct because VSX (Virtual Switching Extension) LAGs leverage the multi-chassis LAG capability of VSX switch pairs to bridge L2 domains across physically proximate data centers within the same campus, providing a straightforward and efficient solution without requiring complex overlay protocols like VXLAN.

Option B is incorrect because proximity within a campus means the inter-DC links have low latency and sufficient bandwidth to support a VSX LAG-the same constraint that would make this impractical across geographically distant sites does not apply here.

Memory tip: Think of VSX as making two switches "act as one"-just as a regular LAG bundles ports on one switch, a VSX LAG bundles ports across the VSX pair. When the data centers are close enough to cable directly (same campus), this simplicity holds and L2 domains stretch naturally. "Same campus = simple stretch; cross-country = need an overlay."

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