9300 stacks

[Hisoma Sama]

Hello guys

i have some question about C9300 both both power stack and stacking cable

lets assume i connected one fiber cable to Sw(A) and SW(A) stacking with SW(B)

if SW(A) fail whatever reason happened would the stacking cables in SW(B) would be still using the fiber which is connected to SW(A) or it need another separate fiber connection?

another question is there special configuration for both stacking power and data to be work or its just a matter of connection

thanks 

[Leo Laohoo]

If the switches are stacked together, Cisco has recommended to avoid putting uplinks on the Master and Secondary switches.  This is to prevent a double disaster (losing the master as well as losing the uplink).

IF the stack is made up of two switches, then put the uplink into the secondary.  If the stack is made of three put the uplink into the 3rd switch.

[Hisoma Sama]

Hi Leo

thanks for your reply i got your point and i have 2 stacked switches and one uplink, is it best practice to run another uplink cable one to the master and other to secondary or C9300 when stacked can handle with one uplink somehow (hardware capable)

[Leo Laohoo]

Read this:  Campus LAN and Wireless LAN Solution Design Guide

Look at Figure 5.  

Another best practice is to select switches without uplinks as the active and standby of the switch stack, as shown in the figure above.  Uplinks should be provisioned on the member switches.  This way, if the active switch of the stack fails, you don’t have a double failure – meaning that you lose both the active switch and half of your uplinks.

[Leo Laohoo]

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@Hisoma Sama wrote:

is it best practice to run another uplink cable one to the master and other to secondary or C9300 when stacked can handle with one uplink somehow (hardware capable)

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I have already answered this question with my first response.