Port Aggregation Protocol

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Port Aggregation Protocol (PAgP) is a Cisco Systems proprietary networking protocol, which is used for the automated, logical aggregation of ethernet switch ports, known as an etherchannel. A similar purpose protocol known as LACP, released by the IEEE known as 802.3ad, is an industry standard and is not tied to any specific manufacturer.

PAgP, may be configured on a Cisco switch to operate in three ways, auto, desirable and on. On Cisco network devices a single switch module may only be configured to run in either LACP or PAgP modes.

[edit] External links

• Cisco Systems homepage
• Cisco Systems documentation