Netgear XCM8806 Chassis User Manual - Page 120
Turning Off Autonegotiation on a Gigabit Ethernet Port, Running Link Fault Signal
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NETGEAR 8800 User Manual Note: To enable TX flow-control, RX flow-control must first be enabled. If you attempt to enable TX flow-control with RX flow-control disabled, an error message is displayed. To configure a port to return to the default behavior of not transmitting pause frames, use the following command: disable flow-control tx-pause ports RX You can configure the switch to disable the default behavior of responding to received pause frames. Disabling rx-pause processing avoids dropping packets in the switch and allows for better overall network performance in some scenarios where protocols such as TCP handle the retransmission of dropped packets by the remote partner. To configure a port to disable the processing of IEEE 802.3x pause frames, use the following command: disable flow-control rx-pause ports Note: To disable RX flow-control, TX flow-control must first be disabled. If you attempt to disable RX flow-control with TX flow-control enabled, an error message is displayed. To configure a port to return to the default behavior of enabling the processing of pause frames, use the following command: enable flow-control rx-pause ports Turning Off Autonegotiation on a Gigabit Ethernet Port In certain interoperability situations, you need to turn autonegotiation off on a fiber gigabit Ethernet port. Although a gigabit Ethernet port runs only at full duplex, you must specify the duplex setting. The following example turns autonegotiation off for port 1 (a 1 Gbps Ethernet port) on a module located in slot 1 of a modular switch: configure ports 1:1 auto off speed 1000 duplex full The 10 Gbps ports do not autonegotiate; they always run at full duplex and 10 Gbps speed. Running Link Fault Signal The 10 Gbps ports support the Link Fault Signal (LFS) function. This function, which is always enabled, monitors the 10 Gbps ports and indicates either a remote fault or a local 120 | Chapter 5. Configuring Slots and Ports on a Switch
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