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5 – Managing Ports
Configuring Ports
5-12 59022-03 D
To extend port buffer credits, do the following:
1. In the faceplate display, select the ports that are to serve as donor ports.
Open the Port menu and select Port Properties. In the Port Properties
window, choose the Donor radio button and choose OK.
2. In the faceplate display, select the recipient ports. Recipient ports must be
configured as G_Ports or F_Ports. Open the Port menu and select
Extended Credits. This opens the Extended Credits window shown in
Figure 5-3.
3. Distribute the borrowed credits by incrementing the Ext Credits Requested
field for the recipient ports up to the total credits in the pool. If you exceed
this total, some recipient ports will not receive the requested credits. Choose
OK.
Figure 5-3. Extended Credits Window
Note: Donor ports are incapable of transmitting or receiving data.
Note: As credits are used, the Logged-In LEDs on the corresponding donor
ports illuminate continuously. In addition, donor port Activity LEDs will
reflect the same traffic as the recipient port. Donor ports whose credits
are being used are unavailable to devices that are connected to them.