The flow control mode of the port when operated in full duplex: halfDuplex(1) - Half duplex connection, standard mode for segment fullDuplexNoPause(2) - Full duplex connection without exchanging flow control packets fullDuplexProprietaryFC(3) - Full duplex connection with AVAYA's proprietary flow control frames exchanged fullDuplexISL(4) - Full duplex connection with ISL proprietary protocol control words for VLAN & priority exchanged, ISL = Inter-Switch-Link fullDuplexFlowControlISL(5) - Full duplex connection with both ISL proprietary protocol control words and flow control frames exchanged fullDuplexAsymTxPause(6) - Full duplex connection with STD 802.3x flow control frames sent from this port, but flow control packets received on it are not processed fullDuplexSymPause(7) - Full duplex connection with STD 802.3x flow control frames exchanged fullDuplexAsymRxPause(8) - Full duplex connection with no flow control frames sent from this port, but STD 802.3x flow control 0frames received on it are processed. For Giga ports, when auto-negotiation is enabled, the flow control mode is set internally according to auto-negotiation resolution; and access to this item is read-only.