Dell PowerEdge FX2 Dell PowerEdge FN I/O Aggregator Command Line Reference Gui - Page 346
Defaults, Command, Modes, History, Version 9.40.0, Usage, Information, Example, partial, assistance
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Defaults Command Modes Command History Usage Information Example (partial) 346 • rx off • tx off INTERFACE Version 9.4(0.0) Supported on the FN I/O aggregator. This command is supported in Programmable-Mux (PMUX) mode only. The globally assigned 48-bit Multicast address 01-80-C2-00-00-01 is used to send and receive pause frames. To allow full-duplex flow control, stations implementing the pause operation instruct the MAC to enable the reception of frames with a destination address equal to this multicast address. The pause: • Starts when either the packet pointer or the buffer threshold is met (whichever is met first). When the discard threshold is met, packets are dropped. • Ends when both the packet pointer and the buffer threshold fall below 50% of the threshold settings. The discard threshold defines when the interface starts dropping the packet on the interface. This may be necessary when a connected device does not honor the flow control frame sent by the switch. The discard threshold should be larger than the buffer threshold so that the buffer holds at least hold at least three packets. Important Points to Remember • Do not enable tx pause when buffer carving is enabled. For information and assistance, consult Dell Networking TAC. • Asymmetric flow control (rx on tx off, or rx off tx on) setting for the interface port less than 100 Mb/s speed is not permitted. The following error is returned: Can't configure Asymmetric flowcontrol when speed