Dell PowerConnect 8100 User's Configuration Guide - Page 166

Viewing and Clearing Stacking and NSF Information Beginning in Privileged EXEC mode, use the following commands to view stacking information and to clear NSF statistics. Command show switch [stackmember-number] show switch stackstandby show switch stack-port show switch stack-port counters show supported switchtype show nsf show checkpoint statistics clear checkpoint statistics Purpose View information about all stack members or the specified member. View the ID of the switch that will assume the role of the stack master if it goes down. View information about the stacking ports. View the statistics about the data the stacking ports have transmitted and received. View the PowerConnect models that are supported in the stack and the switch index (SID) associated with each model. View summary information about the NSF feature. View information about checkpoint messages generated by the stack master. Reset the checkpoint statistics counters to zero. Stacking and NSF Usage Scenarios Only a few settings are available to control the stacking configuration, such as the designation of the standby unit or enabling/disabling NSF. The examples in this section describe how the stacking and NSF feature act in various environments. This section contains the following examples: • Basic Failover • Preconfiguring a Stack Member • NSF in the Data Center • NSF and VoIP • NSF and DHCP Snooping 166 Managing a Switch Stack