Contents xxvii
202-10088-01, March 2005
show interfaces tail-drop-threshold .............................. ........................................11-48
Chapter 12
Managing Switch Stacks
Understanding Switch Stacks ............................................................................. ..........12-1
Switch Stack Membership ...................................................................................... 12-2
Switch Stack Cabling ..............................................................................................12-4
Stack Master Election and Re-Election ..................................................................12-5
Stack Member Numbers .........................................................................................12-5
Stack Member Priority Values ................................................................................ 12-6
Switch Stack Offline Configuration ......................................................................... 12-6
Effects of Adding a Preconfigured Switch to a Switched Stack .......................12-6
Effects of Replacing a Preconfigured Switch in a Switch Stack .............................12-7
Effects of Removing a Preconfigured Switch from a Switch Stack ........... .............12-7
Switch Stack Software Compatibility Recommendations ..............................................12-8
Incompatible Software and Stack Member Image Upgrades ........................................12-8
Switch Stack Configuration Files ........................................... .......................................12-8
Switch Stack Management Connectivity .......................................................................12-9
Connectivity to the Switch Stack Through Console Ports ...................................... 12-9
Connectivity to the Switch Stack Through Telnet ...................................................12-9
Switch Stack Configuration Scenarios .......................................................................... 12-9
Stacking Recommendations ....................................................................................... 12-10
General Practices ................................................................................................. 12-11
Initial installation and Power-up of a Stack ...........................................................12-11
Removing a Unit from the Stack ...........................................................................12-12
Adding a Unit to an Operating Stack .................................................................... 12-12
Replacing a Stack Member with a New Unit ........................................................12-12
Renumbering Stack Members ..............................................................................12-13
Moving a Master to a Different Unit in the Stack .................................................. 12-14
Removing a Master Unit from an Operating Stack ...............................................12-14
Merging Two Operational Stacks ................................................................. ........12-14
Preconfiguration ...................................................................................................12-15
Upgrading Firmware .............................................................................................12-15
Migration of Configuration With a Firmware Upgrade .......................................... 12-16
Code Mismatch ............................................ ........................................................12-16