![]() How to Form a Stack-Wise and Power-Stack with Cisco Catalyst 3850? Renumbering members of the stack manually should be done in a mantenaince window since issues like the one described above could cause a network outage. ![]() When the renumbering change from switch 3 to switch 1 occurs, the trunk interface that should be connecting another switch is now connected to a PC and the interface which is configured as access is now connected to a switch! ![]() A WARNING message is logged after the command is used stating that a configuration change will occur.Īs an example regarding this Warning message, let’s say configuration in Gigabitethernet 3/0/1 is an access port in vlan 10, and Gigabitethernet 1/0/1 was a trunk interface connecting to another switch. In this case, we are changing the member number of the switch 3 to number 1. The interface configuration associated with the old switch number will remain as a SW3 #switch 3 renumber 1 WARNING: Changing the switch number may result in a configuration change for that switch. In order to verify the roles and numbers of member switches in the stack, enter the show switch command: Verifying the actual stack members number For example, if SW 1 has 1 and SW2 has 3 as their stack member number, when the new switch SW3 joins the stack it will change its member number from 1 to number 2 since it is the lowest available number in the stack. New switches have number 1 as stack member number by default, however when a switch joins a stack it changes to the lowest available number. If your network is live, make sure that you understand the potential impact of any command. All of the devices used in this document started with a cleared (default) configuration. The information in this article was created from the devices in a specific lab environment.The information in this article is based on the Cisco Catalyst 3850 Series Switch that runs Cisco IOS-XE Versions 03.03.00 and later.…How to change the logical switch assigned number in a stack manually so it matches a desired order.Ĭommonly used to match the physical order of the stacked switches in a rack
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