6509 VSS VSL link

Unanswered Question
Mar 6th, 2009

I have 2 x 6509, each 6509 has 2 x Sup720 bundle with 10G port. Can I use 2 x Sup720 to form a

VSL link which make a VSS switch. I don't know can VSS can support redundency Sup720

I have this problem too.
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Giuseppe Larosa Fri, 03/06/2009 - 08:02

Hello Jack,

VSS supports only one Sup per chassis

you need specific type of Sup for supporting VSS because the VSL exports the data plane and the signalling plane to make a single device

The Active Sup controls the linecards of both chassis.

see table 4-1

http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SX/configuration/guide/vss.html#wp1053927

Hope to help

Giuseppe

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