Scenario: Sweep at Startup

Refer to Figure 31-1 on page 885 during this discussion.

Figure 31-1. At Startup, No LIDs Assigned and Forwarding Tables Not Programmed

No LIDs Assigned Yet

When the SM performs the initial subnet sweep, no LID addresses have been assigned to CA or router ports and to switch management ports. In addition, the Forwarding Tables within switches have not yet been set up.

SM Initially in Discovering State

When the device that contains the SM first starts up, the SM is in the Discovering state (see “Discovering State” on page 858). While in this state, the SM starts probing the subnet (using directed-route SMPs) to determine ...

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