
Cisco EtherSwitch Service Modules Feature Guide
Switch Stack Configuration Scenarios
| Table 4 | Switch Stack Configuration Scenarios (continued) | 
 | |
| 
 | 
 | 
 | 
 | 
| Scenario | 
 | Action | Result | 
| 
 | 
 | 
 | |
| Stack master election | Assuming that all stack members have the | The stack member with the cryptographic IP base | |
| specifically determined | same priority value: | image is elected stack master. | |
| by the cryptographic IP | 1. Make sure that one stack member has | 
 | |
| base image | 
 | 
 | |
| 
 | the cryptographic IP base image | 
 | |
| 
 | 
 | 
 | |
| 
 | 
 | installed and that the other stack | 
 | 
| 
 | 
 | member has the noncryptographic IP | 
 | 
| 
 | 
 | base image installed. | 
 | 
| 
 | 
 | 2. Restart both stack members at the same | 
 | 
| 
 | 
 | time. | 
 | 
| 
 | 
 | 
 | |
| Stack master election | Assuming that both stack members have the | The stack member with the lower MAC address is | |
| specifically determined | same priority value, configuration file, and | elected stack master. | |
| by the MAC address | software image, restart both stack members | 
 | |
| 
 | 
 | at the same time. | 
 | 
| 
 | 
 | 
 | |
| Stack member number | Assuming that one stack member has a | The stack member with the higher priority value | |
| conflict | 
 | higher priority value than the other stack | retains its stack member number. The other stack | 
| 
 | 
 | member: | member has a new stack member number. | 
| 
 | 
 | 1. Ensure that both stack members have | 
 | 
| 
 | 
 | the same stack member number. If | 
 | 
| 
 | 
 | necessary, use the switch | 
 | 
| 
 | 
 | 
 | 
 | 
| 
 | 
 | renumber  | 
 | 
| 
 | 
 | global configuration command. | 
 | 
| 
 | 
 | 2. Restart both stack members at the same | 
 | 
| 
 | 
 | time. | 
 | 
| 
 | 
 | 
 | |
| Addition of a stack | 1. Power down the new Cisco | The stack master is retained. The new Cisco | |
| member | 
 | EtherSwitch service module. | EtherSwitch service module is added to the switch | 
| 
 | 
 | 2. Through their StackWise ports, connect | stack. | 
| 
 | 
 | the new Cisco EtherSwitch service | 
 | 
| 
 | 
 | module to a  | 
 | 
| 
 | 
 | 3. Power up the new Cisco EtherSwitch | 
 | 
| 
 | 
 | service module. | 
 | 
| 
 | 
 | 
 | 
 | 
Cisco IOS Release 12.2(25)SEC
80
