2013年11月14日星期四

Question about IOS of Cisco C2960S-STACK

Question: Cisco C2960S-STACK with enterprise IOS. I'd like to add 3 more. But this time., I'd like to get the recommended 3 2960X with IP Base IOS. From my understanding, all the switches have to have the same IOS. To keep the cost down, I'd like to get everything with IP Base. I am just wondering if there will be any problem as far as incompatibility.

Answer: When different versions of IOS are detected, the stack member switches will use the stack master's verion of IOS to prevent version mismatch issues.  Just make sure to power on the master switch first and let it get up and running before connecting and powering on the member switches, the stack members will then join the master and use its IOS vesion.
More information refer to http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps6406/white_paper_c11-578928.html , details for Cisco Catalyst 2960-S FlexStack..

Cisco FlexStack stacking for Cisco Catalyst 2960-S Series Switches provides a true stacking solution with all switches in a FlexStack stack acting as a single switching unit. FlexStack provides a unified data plane, and single configuration for a group of stacked Cisco Catalyst 2960-S switches.
Stacking Ethernet switches reduces the network administrator's total cost of ownership. The cost of maintaining the network is decreased because there are fewer devices to manage, and the network uptime is increased with built-in redundancy.


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