Renumbering a SecureStack Manager Unit Results in Configuration Loss

FAQ_User — Tue, 19 Nov 2013 20:40:00 GMT

Article ID: 10749

Products
SecureStack C3, C2, B3, B2, A2

Changes
Renumbered a switch unit which is serving as the stack's Mgmt Switch.

Symptoms
Upon execution of the renumber operation, the stack lost its user configurations.

Cause
If the current Mgmt Switch (per a 'show switch' query) is directly renumbered to a different unit number using the 'set switch renumber...' command, this will reset the Stack Configuration back to default values.

Solution/Workaround
Functions as Designed (FAD)

Workaround: Renumbering a Mgmt Switch should only be done indirectly.

There are two general scenarios which may be encountered:

Scenario- The desired manager unit number is presently assigned to a non-manager unit. Example- Unit numbers are 1, 2, and 3; 3 is the manager; and 1 should be the manager. Procedure- Reassign the management role from unit 3 to unit 1. C2(su)->set switch movemanagement 3 1

Moving stack management will unconfigure entire stack including
all interfaces.
Are you sure you want to move stack management? (y/n) y

then

Note:

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Renumbering a SecureStack Manager Unit Results in Configuration Loss