Allied Telesis AT-iMG634 - R2 User's Guide Page 828

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Ethernet Ethernet command reference
iMG/RG Software Reference Manual (ADSL Port)
8-58
Enabled : true
Atm Channel
Tx Vci : 600
Rx Vci : 600
Peak Cell Rate : 2000
Class : UBR
Port : a1
Classifier
Clsfr Profile : p1
Clsfr Encap : Ethernet
See also TRANSPORTS LIST
8.6 Ethernet
Ethernet module its an intermediate software layer used to interconnect an IP interface to a physical or virtual
port where 802.3 frame type traffic is exchanged.
The Ethernet module is called every time an IP interface must be attached to a VLAN in order to be able to
receive or send frames on this VLAN.
In this case it’s necessary create an Ethernet module instance, named Ethernet transport, with the command
ETHERNET ADD TRANSPORT VLAN. This command informs the system that this Ethernet module instance
will manage only tagged frames with the 802.1Q VID value equals to the VLAN identifier defined when the
VLAN has been created. All the other tagged frames that arrive to this module with 802.1Q VID value different
from the VLAN identifier, will be considered invalid and discharged.
When an IP interface is attached to the Ethernet transport with the IP ATTACH command, the Ethernet trans-
port object will remove the 802.1Q header from the incoming valid tagged frames and then it will pass these
frames to the upper IP layer to be processed.
Note: Note that, inside the system, all frames are tagged. It’s a responsibility of the external
interfaces remove, if necessary, the 802.1Q header for outgoing frames and add the 802.1Q
header for incoming untagged frames.
8.6.1 Ethernet command reference
This section describes the commands available on the AT-iMG/AT-iBG to manage the Ethernet module
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