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HPE7-A03 · Question #83

What is the recommended bandwidth of a VSX Inter-Switch Link?

The correct answer is C. It should be equal or higher than the speed of the uplink. The VSX Inter-Switch Link (ISL) must support all traffic that may need to traverse between the two VSX peers during convergence or asymmetric forwarding. Aruba recommends sizing the ISL equal to or greater than the uplink speed, ensuring sufficient bandwidth for peak forwarding…

Designing Scalable and Resilient Campus Access Solutions

Question

What is the recommended bandwidth of a VSX Inter-Switch Link?

Options

  • AIt should be equal to the sum of the downlink ports' bandwidth.
  • BIt should be equal to the sum of the uplink ports' bandwidth.
  • CIt should be equal or higher than the speed of the uplink.
  • DIt should be the same speed as the one used for VSX Keepalive speed bandwidth.

How the community answered

(58 responses)
  • A
    7% (4)
  • B
    16% (9)
  • C
    74% (43)
  • D
    3% (2)

Explanation

The VSX Inter-Switch Link (ISL) must support all traffic that may need to traverse between the two VSX peers during convergence or asymmetric forwarding. Aruba recommends sizing the ISL equal to or greater than the uplink speed, ensuring sufficient bandwidth for peak forwarding without creating an ISL bottleneck.

Topics

#VSX#ISL bandwidth#high availability#switch design

Community Discussion

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