Administrator Guide

Example of Sample Entity MIBS outputs.................................................................................... 185
Standard VLAN MIB........................................................................................................................... 187
Enhancements.............................................................................................................................187
Fetching the Switchport Configuration and the Logical Interface Configuration .................. 188
SNMP Traps for Link Status...............................................................................................................189
17 Stacking.................................................................................................................190
Stacking Aggregators........................................................................................................................190
Stack Management Roles............................................................................................................ 191
Stack Master Election..................................................................................................................192
Failover Roles...............................................................................................................................192
MAC Addressing.......................................................................................................................... 193
Stacking LAG................................................................................................................................193
Stacking VLANs............................................................................................................................193
Stacking Port Numbers.....................................................................................................................194
Configuring a Switch Stack...............................................................................................................196
Stacking Prerequisites................................................................................................................. 196
Cabling Stacked Switches...........................................................................................................196
Accessing the CLI........................................................................................................................ 197
Configuring and Bringing Up a Stack......................................................................................... 197
Adding a Stack Unit..................................................................................................................... 198
Resetting a Unit on a Stack.........................................................................................................198
Removing an Aggregator from a Stack and Restoring Quad Mode......................................... 199
Configuring the Uplink Speed of Interfaces as 40 Gigabit Ethernet...............................................199
Verifying a Stack Configuration........................................................................................................201
Using Show Commands............................................................................................................. 201
Troubleshooting a Switch Stack...................................................................................................... 203
Failure Scenarios.........................................................................................................................205
Upgrading a Switch Stack.................................................................................................................207
Upgrading a Single Stack Unit..........................................................................................................208
18 Broadcast Storm Control................................................................................. 210
Disabling Broadcast Storm Control..................................................................................................210
Displaying Broadcast-Storm Control Status....................................................................................210
Configuring Storm Control...............................................................................................................210
19 System Time and Date....................................................................................... 211
Setting the Time for the Software Clock.......................................................................................... 211
Setting the Timezone........................................................................................................................ 211
Setting Daylight Savings Time...........................................................................................................212
Setting Daylight Saving Time Once............................................................................................ 212
Setting Recurring Daylight Saving Time..................................................................................... 213