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Stacking Switches

Switch roles are assigned automatically during a Stack Election Stage. 
You can influence the election results by manually assigning Stack Priorities.

Switch Roles in a Stack

Primary Master

(identified as H)

Leader of the stack. 

Monitors and controls the 

stack, assigns Stack IDs, 

synchronises configurations.

Assigned to a switch with

- lowest MAC 

or 

- highest priority (lower priority 

number, e.g. 1)

Backup Master

(identified as h)

Backup to the Primary Master.

Holds a copy of stack config, 

monitors the Primary Master 

and other switches.

Can be manually set by assigning 

second highest priority after 

Primary Master (e.g. 2)

Slave

Other switches in the stack. 

Can take Backup Master and 

Primary Master roles if those 

are removed.

Default priority is 32

Summary of Contents for DGS-3630 SERIES

Page 1: ...DGS 3630 Series Switches Stacking Switches...

Page 2: ...25 26 49 50 can still be used for regular 10Gig Ethernet connectivity With 4 port stacking enabled all four 10G ports are dedicated to stacking and cannot be used for regular 10Gig Ethernet connectivi...

Page 3: ...ssigns Stack IDs synchronises configurations Assigned to a switch with lowest MAC or highest priority lower priority number e g 1 Backup Master identified as h Backup to the Primary Master Holds a cop...

Page 4: ...Good practice is to set Stack Priority to 63 on the replacement switch before connecting it to the stack Backup Master Once a Backup Master switch is hot removed a new Backup Master is elected from e...

Page 5: ...es Stack Master Switch stack Switch stack bandwidth 2 Switch stack 1 priority 1 Switch copy running config startup config Switch reboot Switch show stack 2 h 1 H Switch stack Switch stack bandwidth 2...

Page 6: ...Stacking Mode to Enabled click Apply Set Priority to 1 on Master click Apply Save Settings and reboot the switch Enable Stacking on second switch Save and reboot Connect the switches via stacking por...

Page 7: ...Stacking Switches GUI cont When switches are stacked only the Master switch is accessible for management Slave switches configuration is accessible through Master...

Page 8: ...Stacking Switches To remove the SFP Direct Attach cable pull back on the cable release ring To disable stacking Switch no stack Switch copy running config startup config...

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