WG82574IT S LBAB Intel, WG82574IT S LBAB Datasheet - Page 243
WG82574IT S LBAB
Manufacturer Part Number
WG82574IT S LBAB
Description
Manufacturer
Intel
Datasheet
1.WG82574IT_S_LBAB.pdf
(472 pages)
Specifications of WG82574IT S LBAB
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
64
Lead Free Status / RoHS Status
Compliant
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System Manageability—82574 GbE Controller
8.13.5.2
Note:
Note:
Note:
Note:
8.13.6
8.13.7
Network Transmit Enable
This mode controls the state of the transmit path:
The default state is disabled.
The NC filters pass-through packets according to their source MAC address. The NC
tries to match that source MAC address to one of the MAC addresses configured by the
Set MAC Address command. As a result, the MC should enable network transmit only
after configuring the MAC address.
It is recommended that the MC complete all filtering configuration (especially MAC
addresses) before enabling the network transmit.
This feature can be used for fail-over scenarios. See
Asynchronous Event Notifications
The asynchronous event notifications are unsolicited messages sent from the NC to the
MC to report status changes (such as link change, operating system state change,
etc.).
Recommendations:
Querying Active Parameters
The MC can use the Get Parameters command to query the current status of the
operational parameters.
1. Disabled - the channel does not pass any traffic from the MC to the network.
2. Enabled - the channel passes any traffic from the MC (that matched the source
• The MC firmware designer should use AENs. To do so, the designer must take into
• To enable AENs, the MC should first query which AENs are supported, using the Get
MAC address filters) to the network.
account the possibility that a NC-SI response frame (such as a frame with the NC-
SI EtherType), arrives out-of-context (not immediately after a command, but
rather after an out-of-context AEN).
Capabilities command, then enable desired AEN(s) using the Enable AEN
command, and only then enable the channel using the Enable Channel command.
section
8.15.3.
243
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