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Stacking | 219

Stack Unit in Card-Problem State Due to Incorrect FTOS Version

Problem: A stack unit enters a Card-Problem state because the switch has a different FTOS version than

the master unit (Figure 17-29). The switch does not come online as a stack unit.

Resolution: To restore a stack unit with an incorrect FTOS version as a member unit, disconnect the

stacking cables on the switch and install the correct FTOS version. Then add the switch to the stack as

described in Adding a Stack Unit. To verify that the problem has been resolved and the stacked switch is

back online, use the

show system brief command (Figure 17-30).

Figure 17-29. Card Problem Error - Different FTOS Versions

Figure 17-30. Card Problem Error - Different FTOS Versions: Resolved

Stack Unit in Card-Problem State Due to Configuration Mismatch

Problem: A stack unit enters a card-problem state because there is a configuration mismatch between the

logical provisioning stored for the stack-unit number on the master switch and the newly added unit with

the same number.

Resolution: From the master switch, reload the stack by entering the

reload command in EXEC Privilege

mode. When the stack comes up, the card problem will be resolved

FTOS#show system brief

Stack MAC : 00:1e:c9:f1:00:9b

-- Stack Info --

Unit UnitType Status ReqTyp CurTyp Version Ports

------------------------------------------------------------------------------------

0 Management online I/O-Aggregator I/O-Aggregator 8-3-17-46 56

1 Standby card problem I/O-Aggregator unknown 56

2 Member not present

3 Member not present

4 Member not present

5 Member not present