Digital Data Communications Level One GTL-2091 Manual - Página 5

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Capacity
Initializing the Ethernet OAM discovery process
Responding to the OAM discovery initialization
process
Transmitting the Information OAM PDU packet
Permitting to transmit the Event Notification OAM
PDU packet
Allowing to transmit the Variable Request OAM
PDU packet
Allowing to transmit Variable Response OAM PDU
packet
Allowing to transmit the Loopback Control OAM
PDU packet
Responding to Loopback Control OAM PDU
Allowing to transmit specified OAM PDU
After the Ethernet OAM connection is established, the OAM entities at two
terminals maintain connection by transmitting the Information OAM PDU packets.
If the Information OAM PDU packet from the peer OAM entity is not received in
five seconds, the connection times out and a new OAM connection then requires
to be established.

1.1.3 Components of the OAM Packet

The following are the meanings of the fields of the OAM packet:
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Figure 1 Components of the OAM packet
Active Mode
Passive Mode
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
No
Yes
Yes，but the peer
terminal must be
in active mode.
Yes
Yes
OAM Configuration
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