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How To Stack Using Alternate And Native

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TitleHow To Stack Using Alternate And Native
Objective
How To Stack Using Alternate And Native
Environment
  • Summit Switches Capable of Alternate Stacking (with 10G ports)
  • EXOS
Procedure
  X460-G2-48P-10GE
   S1          52 <------ (port)
    |           |
    |           |     
    |           |
   S1          52 <------ (port)
  X460-G2-48P-10GE


Note: S1 is the Native Stack Port and 52 is the Alternate Stack Port (Front Panel Port)

Step#1
Enable stacking in the switches with the command "#enable stacking-support"
 
Step#2
Configure the use of alternate stack ports in the switches with the command "configure stacking-support stack-port <port#> selection alternate"
Port# selection: In case of 48 port switch, port#51 will be the first alternate stack port and port#52 will be the second alternate stack port. And if you using port S1 in the VIM module for native stacking, make use of the second alternate stack port.
 
Step#3
Reboot the switch with the command "#reboot" and wait switches to come up and check the output of "#show stacking" to verify if the switches are all visible.
 
Step#4: 
Confirming the visibility of all the nodes, please enable stacking in each node and configure the slot number from the decided master node
(a) Enable Stacking with the command "#enable stacking node-address <mac_of_the_switch>"
(b) Configure the slot number with the command "#configure stacking node-addres <mac_of_the_switch> slot-number <slot#>"
 
First perform the above in the decided master switch and reboot the master switch with the command "#reboot node-address <mac_of_the_switch>" and wait for the switch to come up and check the output of "#show stacking" to confirm if the other nodes are still visible.
 
Step#5
Once the master switch is up, use the below commands to enable stacking in the other nodes and configure the slot-number all from the master switch only
(a) Enable Stacking with the command "#enable stacking node-address <mac_of_the_switch>"
(b) Configure the slot number with the command "#configure stacking node-addres <mac_of_the_switch> slot-number <slot#>"
(c) Additionally if you want to enable the master capability on the other nodes, use the command "#configure stacking node-address <mac_of_the_switch> master-capability on"
(d) Reboot the stack unit with the command "reboot node-address <mac_of_the_switch>"
 
Step#6
If in case the switch seems to record the message of inconsistency in stack MAC address, log into the master switch and execute the command "#configure stacking mac-address". This command will set the master switch MAC address as the stack MAC as well.


 
Additional notes

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