Zte ZXR10 5900E Product Description page 60

ZXR10 5900E Product Description
If OAM client has sent loopback control OAMPDU, and when it waits the
counterpart DTE to indicate its responding message OAMPDU locating at OAM
remote loopback, whether OAM client implements OAM remote loopback
command on peer-end device is determined by the following process: a) if local
DTE source address is larger than that of the peer-end, enter OAM remote
loopback based on peer-end command. b) If local DTE source address is
smaller than that of the peer-end, ignore OAM remote loopback command of
the peer-end and go on working as if nothing is received.
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Link monitoring is a feature to make statistics of error symbols or error frames
received by physical layer within certain interval. Based on the implementation there
is a counter at driver all along making statistics of error frames, error symbols and
total frames received. The platform reads the information regularly and takes
processing based on these error symbols, error frames and total frames.
Corresponding event notice will be generated as per which kind of event occurred is
detected. There are four types of link events:
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3.2.28.2 CFM
Connectivity Fault Management (CFM) can effectively check, separate virtual bridge LAN
and report its connection fault. It is mainly oriented to carrier's network and also effective
to customer network (C-VLAN) as well.
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Link monitoring OAMPDU
Link error symbol period event. Count error symbols generated in particular
period, which is determined by the quantity of symbols received in certain
period by the physical layer.
Error frame event. Count error frames generated in particular period, which
specifies certain interval.
Error frame period event. Count error frames generated in particular period,
which is determined by the quantity of frames received.
Error frame second accumulation event. Count error frame seconds in
particular period, which is determined by the time interval.
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