Cisco 6500 - Catalyst Series 10 Gigabit EN Interface Module Expansion User Manual - Page 5

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Cisco 6500 - Catalyst Series 10 Gigabit EN Interface Module Expansion User Manual
Refer to Traffic on the VSL for more information.
Recommendations
Always dual−home devices connected to VSS.
Always bundle VSL EtherChannel in the power of 2, because it has better hash results for
optimized traffic load−sharing.
Redundancy of the VSL is still critical along with resiliency of VSL links.
The recommendation is to atleast have VSL bandwidth equal to uplinks connected to a single physical
switch.