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StackWise Virtual between C9500-48Y4C and C9500 -24Y4C

RobertZak
Level 1
Level 1

Hello Colleagues, 

Could share your experience and provide answer for a question: 

Can we combine switches C9500-48Y4C and C9500-24Y4C in order to create StackWise Virtual connection?

IOS version - Cisco IOS XE Bengaluru 17.6.4.

Based on the following document:
https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst9500/software/release/17-6/configuration_guide/ha/b_176_ha_9500_cg/configuring_cisco_stackwise_virtual.html

Both switches in the Cisco StackWise Virtual pair must be of the same switch model.


Prerequisites for Cisco StackWise Virtual
- Both switches in the Cisco StackWise Virtual pair must be directly connected to each other.

- Both switches in the Cisco StackWise Virtual pair must be of the same switch model.

- Both switches in the Cisco StackWise Virtual pair must be running the same license level.

- Both switches in the Cisco StackWise Virtual pair must be running the same software version.

- Both switches in the Cisco StackWise Virtual pair must be running the same SDM template.

- All the ports used for configuring a StackWise Virtual Link (SVL) must share the same speed. For example, you cannot configure a 10G or a 40G port to form an SVL, simultaneously.

Thanks for your answers.

 

4 Replies 4

marce1000
VIP
VIP

 

 - Ref  : https://www.cisco.com/c/en/us/products/collateral/switches/catalyst-9000/nb-06-cat-9k-stack-wp-cte-en.html 
                                                  It will work , check Table 2.  

 M.



-- Each morning when I wake up and look into the mirror I always say ' Why am I so brilliant ? '
    When the mirror will then always repond to me with ' The only thing that exceeds your brilliance is your beauty! '

Hello, 

Thank you for you answer, but it's not correct.

I connected  switches C9500-48Y4C and C9500-24Y4C and I received warning pasted below:
Apr 14 15:59:32.349: %ISSU-3-INCOMPATIBLE_PEER_UID: Setting image (CAT9K_IOSXE), version (17.6.4) on peer uid (2) as incompatible

*Apr 14 15:59:32.349: Config Sync: Bulk-sync failure due to Servicing Incompatibility. Please check full list of mismatched commands via:
  show redundancy config-sync failures mcl


The stackwise virtual was formed, the role was assigned (active, standby)

I decided to send warning to TAC

The answer from TAC:

The StackWise Virtual configuration between different switch models is not supported.

Best regards
Robert

Hi Robert 

Did you receive a solution from Tac engineer as I’m going to implement the Same 

 

You cannot configure StackWise Virtual between 2 different switch models. The hardware needs to be exactly the same.

HTH

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