Dell Brocade 300 Web Tools Administrator's Guide v7.1.0 - Page 179
Administering Extended Fabrics, In this Extended link buffer allocation overview
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Chapter Administering Extended Fabrics 13 In this chapter •Extended link buffer allocation overview 151 •Configuring a port for long distance 154 Extended link buffer allocation overview If the link is used over long distances, use the Extended Fabric tab of the Switch Administration window to configure the long-distance setting of a port. Because buffer credits are a switch resource, you must own the switch in order to modify extended fabric settings on a port. The EGM license must be enabled on the switch; otherwise, access to configuring long distance is denied and an error message displays. The Extended Fabric tab displays information about the port speed, long-distance settings, and buffer credits, as shown in Figure 35 on page 153. For detailed information on managing extended fabrics, refer to the Fabric OS Administrator's Guide. The Extended Fabric tab displays the following columns: • Port Number • Buffer Limited-Indicates whether the port is buffer limited. A buffer-limited port can come online with fewer buffer credits allocated than its configuration specifies, allowing it to operate at a reduced bandwidth instead of being disabled for lack of buffers. Buffer-limited operation is supported for the LS and LD extended ISL modes only and is persistent across reboots, switch disabling and enabling, and port disabling and enabling. • Port Speed-The port speed is displayed as follows: - 1G-1 Gbps - 2G-2 Gbps - 4G-4 Gbps - 8G-8 Gbps - 10G-10 Gbps - N1-Negotiated 1 Gbps - N2-Negotiated 2 Gbps - N4-Negotiated 4 Gbps - N8-Negotiated 8 Gbps - N16-Negotiated 16 Gbps - Auto-Negotiation Web Tools Administrator's Guide 151 53-1002756-01