VSS etherchannel mode?

Unanswered Question
Feb 3rd, 2010
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Hi,


I'm configuring a pair of 6509 switches in VSS mode, and there are a number of dual homed etherchannel links (MEC) connecting to different routers, switches and servers. I plan to use a single GigabitEthernet link directly connected to both switches for fast-hello dual active detection.


I have been using "mode on" in the etherchannel configuration for all links. Are there any disadvantages to "mode on" comparing with LACP or PAgP in VSS mode?

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Reza Sharifi Wed, 02/03/2010 - 13:51
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    2017 LAN

Hello Pluppo,


Mode on is only recommended for the VSL links (The links between the 2 switch). Desirable is the recommended mode by Cisco for other links like MEC.


Please refer to this document for more info:


http://www.cisco.com/en/US/docs/solutions/Enterprise/Data_Center/DC_3_0/DC-3_0_IPInfra.html#wp1044715


HTH

Reza

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