Avaya Configuring Line Services Manual do Utilizador Página 60

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Customizing LAN Interfaces
114078 Rev. A 3-3
Enabling or Disabling Hardware Filtering
With hardware filtering enabled, the interface drops local frames instead of
copying them into system memory to be processed. Local frames contain both
destination and source MAC addresses that the router has learned on the interface.
Bridge software teaches the hardware filter which MAC addresses are local to an
interface. Enabling hardware filtering improves bridging software performance
because router resources are not used to receive and reject local frames.
Hardware filtering is disabled by default on an Ethernet interface. You can enable
or disable hardware filtering.
Setting the 100-Mb/s Interface Line Speed
By default, the line speed for a 100 Mb/s Ethernet line is half-duplex over either
twisted-pair or fiber cabling. You can set the 100-Mb/s Ethernet line speed and
duplex setting to
Automatic Line Negotiation (AUTO NEGOTIATION)
100Base-TX
100Base-FX
100Base FD (Full Duplex)
100Base FD with Congestion Control
Note that using a specific line speed configuration disables the automatic line
negotiation feature.
Automatic Line Negotiation
You can configure the router to automatically negotiate with remote nodes to
determine the correct line speed configuration to use on the interface.
To enable automatic line negotiation, set the Interface Line Speed parameter to
AUTO NEGOTIATION; then go to the next section, “
Configuring the CSMA/CD
Automatic Negotiation Protocol.”
Site Manager: Hardware Filter parameter: page A-3
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