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Resolution: When the entire stack is reloaded, the recovered master switch becomes the master unit of the stack.

Stack Unit in Card-Problem State Due to Incorrect Dell Networking OS Version

Problem: A stack unit enters a Card-Problem state because the switch has a dierent Dell Networking OS version than the master

unit. The switch does not come online as a stack unit.

Resolution: The version mismatch case is taken cared of by rmware synchronization, which automatically upgrades the unit to the

required Dell Networking OS version. You do not have to manually upgrade the unit.

To verify that the problem has been resolved and the stacked switch is back online, use the show system brief command.

Example of the Card Problem Error — Dierent Dell Networking OS Versions

Dell#show system brief

Stack MAC : 5c:f9:dd:ef:0b:c0

Reload-Type : normal-reload [Next boot : normal-reload]

-- Stack Info --

Unit UnitType Status ReqTyp CurTyp Version Ports

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

0 Member not present S5000

1 Member not present S5000

2 Member card problem S5000 S5000 9-1-0-0 64

3 Standby online S5000 S5000 9-1-0-1 64

4 Management online S5000 S5000 9-1-0-1 64

5 Member not present

6 Member not present

7 Member not present

8 Member not present

9 Member not present

10 Member not present

11 Member not present

Dell#show system stack-unit 2

-- Unit 2 --

Unit Type : Member Unit

Status : card problem - ipc timeout

Next Boot : online

Required Type : S5000 - 4-module, 4-port GE/TE/FG (SH)

Current Type : S5000 - 4-module, 4-port GE/TE/FG (SH)

Master priority : NA

Hardware Rev : 1.0

Example of Card Problem Error — Dierent Dell networking OS Versions: Resolved

DELL#show system brief