Dell Brocade 300 Fabric OS Command Reference v7.1.0 - Page 668
the Brocade 7800 Extension Switch or on the Brocade FX8-24 Extension
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2 portCfg 640 The following two operands are exclusive; you can either specify a committed rate or a minimum and maximum rate for circuit 0. You can modify these parameters later with fciptunnel modify. comm_rate Specifies the committed traffic rate on the FCIP tunnel in Kbps. The valid range is 10,000 Kbps to 1,000,000 Kbps for 1G ports and 10,000 Kbps to 10,000,000 Kbps for 10G ports. There is no default. Both sides of the circuit must have matching configurations. -b | --min-comm-rate value, -B | --max-comm-rate value Alternately you may set a minimum and a maximum for the committed rate to configure the tunnel for Adaptive Rate Limiting (ARL), which allows for a more effective sharing of bandwidth between applications. The valid range is 10,000 Kbps to 1,000,000 Kbps for 1G ports and 10,000 Kbps to 10,000,000 Kbps for 10G ports. The maximum committed rate is the combined maximum committed rate of all configured circuits and it can be no larger than five times the minimum committed rate. Both sides of the circuit must have matching configurations. Beginning with Fabric OS v7.0, you can configure minimum and maximum rates for each circuit of a tunnel using the XGE ports on the FX8-24 blade. This provides a maximum guaranteed rate of 10Gbps combined for all tunnels over a single 10GbE port and a maximum rate of 10Gbps for any single circuit. This feature is backwards compatible with 1GbE ports on either the Brocade 7800 Extension Switch or on the Brocade FX8-24 Extension Blade. For connections between 10GbE ports, ARL is supported only if Fabric OS v7.0 is running on both switches. Optional tunnel_arguments for fciptunnel create and modify include the following. Tunnel parameters are by default disabled. To change the default (for example, enabling FastWrite) with fciptunnel create, specify the parameter only. To modify any of these parameters with fciptunnel modify, specify the parameter and one of the values in square brackets. -f | --fastwrite [0 |1] Disables (0) or enables (1) FCIP FastWrite on the specified FCIP tunnel. -t | --tape-pipelining [0-2] Configures Open Systems Tape Pipelining on the specified FCIP tunnel. By default, OSTP is disabled (0). When using this operand with fciptunnel create, specify one or more of the following operands: -t | --tape-pipelining Enables write-read Tape Pipelining (FCIP FastWrite must also be enabled.) -N | --no-read-pipelining Disables tape read-pipelining. This operand is valid only with fciptunnel create and -t must be specified enabling the feature. The combination of -t and -N effectively enables tape write-pipelining. When using this operand with fciptunnel modify, specify one or more of the following: -t | --tape-pipelining mode Modifies the Open System Tape Pipelining configuration. Specify one of the following modes: 0 Disables Tape Pipelining Fabric OS Command Reference 53-1002746-01