ZyXEL Communications GS2210 Series User Manual page 321

The following table describes the labels in this screen.
Table 155 Advanced Application > OAM Staus > OAM Details
LABEL DESCRIPTION
Discovery
This section displays OAM configuration details and operational status of the port on the Switch and/or the
remote device.
Local Client/
Remote Client
OAM
configurations
Mode This field displays the OAM mode. The device in active mode (typically the service
provider's device) controls the device in passive mode (typically the subscriber's device).
Active: The port initiates OAM discovery; sends information PDUs; and may send event
notification PDUs, variable request/response PDUs, or loopback control PDUs.
Passive: The port waits for the remote device to initiate OAM discovery; sends
information PDUs; may send event notification PDUs; and may respond to variable
request PDUs or loopback control PDUs.
The Switch might not support some types of PDUs, as indicated in the fields below.
Unidirectional This field indicates whether or not the port can send information PDUs to transmit fault
information when the receive path is non-operational.
Remote This field indicates whether or not the port can use loopback control PDUs to put the
loopback
remote device into loopback mode.
Link events This field indicates whether or not the port can interpret link events, such as link fault and
dying gasp. Link events are sent in event notification PDUs and indicate when the number
of errors in a given interval (time, number of frames, number of symbols, or number of
errored frame seconds) exceeds a specified threshold. Organizations may create
organization-specific link event TLVs as well.
Variable This field indicates whether or not the port can respond to requests for more information,
retrieval
such as requests for Ethernet counters and statistics, about link events.
Max. OAMPDU This field displays the maximum size of PDU for receipt and delivery.
size
Local Client/
Remote Client
Operational
status
Link status This field indicates that the link between the Switch port and a connected IEEE 802.3ah-
enabled remote Ethernet device is up or down.
Info. revision This field displays the current version of local state and configuration. This two-octet
value starts at zero and increments every time the local state or configuration changes.
Parser state This field indicates the current state of the parser.
Forward: The port is forwarding packets normally.
Loopback: The port is in loopback mode.
Discard: The port is discarding non-OAMPDUs because it is trying to or has put the
remote device into loopback mode.
Chapter 36 OAM
GS2210 Series User's Guide
321