Which technology is an open protocol standard that allows switches to automatically bundle physical ports into a single logical link?

Last Updated: Jan 2, 2025
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Which technology is an open protocol standard that allows switches to automatically bundle physical ports into a single logical link?

  • PAgP
  • LACP
  • Multilink PPP
  • DTP

Explanation: LACP, or Link Aggregation Control Protocol, is defined by IEEE 802.3ad and is an open standard protocol. LACP allows switches to automatically bundle switch ports into a single logical link to increase bandwidth. PAgP, or Port Aggregation Protocol, performs a similar function, but it is a Cisco proprietary protocol. DTP is Dynamic Trunking Protocol and is used to automatically and dynamically build trunks between switches. Multilink PPP is used to load-balance PPP traffic across multiple serial interfaces.

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