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Beginner

Cisco 3850 Stack cabling and config

Hi Team ,

 

I want to make stacking with 4xSwitches , can you see the attached cable layout for stacking . Please share me the stack configuration template .

 

 

We are using 2 x WS-C3850-24T     and 2x WS-C3850-12XS    with the following IOS Version for stacking .

 

 

Switch Ports Model              SW Version        SW Image              Mode

------ ----- -----              ----------        ----------            ----

*    1 32    WS-C3850-24T       03.06.06E         cat3k_caa-universalk9 INSTALL

 

 

Switch Ports Model              SW Version        SW Image              Mode

------ ----- -----              ----------        ----------            ----

*    1 16    WS-C3850-12XS      03.07.04E         cat3k_caa-universalk9 INSTALL

With Regards

3 REPLIES 3
VIP Mentor

Hi

Hi

You should set your switches with a priority master as the highest 15 then lower for each switch in the stack

switch 1 priority 15

switch 2 priority 14

You may also need to turn on the stackports on a 3850 from memory

switch 1 stack port 1 enable

switch 1 stack port 2 enable

Then you should be able to see it stacked

Switch Ports Model              SW Version        SW Image              Mode
------ ----- -----              ----------        ----------            ----
*    1 52    WS-C3650-48PS      03.06.06E         cat3k_caa-universalk9 INSTALL
     2 52    WS-C3650-48PS      03.06.06E         cat3k_caa-universalk9 INSTALL

You could also provisions the switches if you want but its optional

(config)#switch 1 provision ?
  ws-c3650-24pd  Catalyst 3650 Series Switch with 24 GE POE and 2GE+2TenGE Interfaces
  ws-c3650-24ps  Catalyst 3650 Series Switch with 24 GE POE and 4 GE Interfaces
  ws-c3650-24td  Catalyst 3650 Series Switch with 24 GE and 2GE+2TenGE Interfaces
  ws-c3650-24ts  Catalyst 3650 Series Switch with 24 GE and 4 GE Interfaces
  ws-c3650-48pd  Catalyst 3650 Series Switch with 48 GE POE and 2GE+2TenGE Interfaces
  ws-c3650-48pq  Catalyst 3650 Series Switch with 48 GE POE and 4 TenGE Interfaces
  ws-c3650-48ps  Catalyst 3650 Series Switch with 48 GE POE and 4 GE Interfaces
  ws-c3650-48td  Catalyst 3650 Series Switch with 48 GE and 2GE+2TenGE Interfaces
  ws-c3650-48tq  Catalyst 3650 Series Switch with 48 GE and 4 TenGE Interfaces
  ws-c3650-48ts  Catalyst 3650 Series Switch with 48 GE and 4 GE Interfaces
  ws-c3850-12s   Catalyst 3850 Series Switch with 12 1GE SFP Interfaces
  ws-c3850-24p   Catalyst 3850 Series Switch with 24 GE POE Interfaces
  ws-c3850-24s   Catalyst 3850 Series Switch with 24 1GE SFP Interfaces
  ws-c3850-24t   Catalyst 3850 Series Switch with 24 GE Interfaces
  ws-c3850-24u   Catalyst 3850 Series Switch with 24 GE UPOE Interfaces
  ws-c3850-48p   Catalyst 3850 Series Switch with 48 GE POE Interfaces
  ws-c3850-48t   Catalyst 3850 Series Switch with 48 GE Interfaces
  ws-c3850-48u   Catalyst 3850 Series Switch with 48 GE UPOE Interfaces

VIP Advisor

Hi

Hi

Additional to Mark's post, you should connect the stack cable like:

Stack power

Reference: http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3850/hardware/installation/guide/b_c3850_hig/b_c3850_hig_chapter_010.html

Hope it is useful

:-)

UG Beginner
Beginner

Re: Hi

Hi Mark,
I apologize if this is a dumb question but we're attempting to upgrade a 3850 stack of two switches. Is it possible to break the stack and upgrade them individually without them both rebooting simultaneously or causing a complete outage?

Thanks,
Mike

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