What is auto-negotiation?
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Auto-negotiation is the ability of a network interface to automatically coordinate its own connection parameters (speed and duplex) with another network interface.
Auto-negotiation is usually the preferred setting for configuring management ports; however, if the negotiation fails, mismatched network interface settings can severely impact network performance. In cases where that condition is unacceptable, you should manually set the network interface settings to a correct configuration. Auto-negotiation is performed by the controller's Ethernet management ports. Auto-negotiation is not performed by iSCSI host bus adapters.
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If auto-negotiation fails, the controller attempts to establish a connection at 10BASE-T, half-duplex, which is the lowest common denominator. |