Users Guide

Table Of Contents
12 Contents
8 Managing QSFP Ports . . . . . . . . . . . . . . 235
9 Stacking . . . . . . . . . . . . . . . . . . . . . . . . . 237
Stacking Overview. . . . . . . . . . . . . . . . . . . . 237
Dell EMC Networking N1124-ON/N1148-ON,
N1500, N2000, N2100-ON, N3000, N3000E-ON,
N3100-ON, and N4000 Stacking Compatibility
. . . 243
How is the Stack Master Selected?
. . . . . . . . 243
Adding a Switch to the Stack
. . . . . . . . . . . . 245
Removing a Switch from the Stack
. . . . . . . . . 246
How is the Firmware Updated on the Stack?
. . . . 246
What is Stacking Standby?
. . . . . . . . . . . . . 247
What is Nonstop Forwarding?
. . . . . . . . . . . 247
Switch Stack MAC Addressing and Stack
Design Considerations
. . . . . . . . . . . . . . . 250
NSF Network Design Considerations
. . . . . . . . 251
Why is Stacking Needed?
. . . . . . . . . . . . . 251
Default Stacking Values
. . . . . . . . . . . . . . . . . 252
Managing and Monitoring the Stack (Web)
. . . . . . . 253
Unit Configuration
. . . . . . . . . . . . . . . . . . 253
Stack Summary
. . . . . . . . . . . . . . . . . . . 254
Stack Firmware Synchronization
. . . . . . . . . . 255
Supported Switches
. . . . . . . . . . . . . . . . 256
Stack Port Summary
. . . . . . . . . . . . . . . . 257
Stack Port Counters
. . . . . . . . . . . . . . . . . 258
Stack Port Diagnostics
. . . . . . . . . . . . . . . 258
NSF Summary
. . . . . . . . . . . . . . . . . . . . 259
Checkpoint Statistics
. . . . . . . . . . . . . . . . 260
Managing the Stack (CLI)
. . . . . . . . . . . . . . . . 261
Configuring Stack Member, Stack Port, SFS