Which statements are true about VSX LAG? (Select two.)

Question

Options

• AThe total number of configured links may not exceed 8 for the pair or 4 per switch
• BOutgoing traffic is switched to a port based on a hashing algorithm which may be either switch in
• CLAG traffic is passed over VSX ISL links only while upgrading firmware on the switch pair
• DOutgoing traffic is preferentially switched to local members of the LAG.
• EUp to 255 VSX lags can be configured on all 83xx and 84xx model switches.

• A
  4% (1)
• B
  74% (20)
• C
  15% (4)
• E
  7% (2)

Explanation

VSX LAG is a feature that allows a pair of Aruba CX switches to form a multichassis LAG with a downstream or upstream device. VSX LAG provides link redundancy and load balancing across the two switches. Outgoing traffic from the VSX pair to the peer device is switched to a port based on a hashing algorithm that considers various parameters such as source and destination MAC addresses, IP addresses, ports, etc. The hashing algorithm may select a port that belongs to either switch in the pair, depending on the traffic characteristics. However, outgoing traffic is preferentially switched to local members of the LAG, meaning that each switch tries to use its own ports first before using the ISL link to send traffic to the other switch's ports. This reduces the ISL utilization and improves performance.

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