14-8
exclusive.
When enabling OAM, the negotiation of the port will be disabled automatically. So the negotiation in the
peer of the link must be disabled, otherwise the link connection will unsuccessful. When disabling OAM,
the negotiation of the port will be restored. Therefore, to ensure the link connection is normal, the
negotiations must be accordant in two peers of the link.
After enabling OAM, when the link negotiations in two peers are successful, the state is up. After the
fiber in RX redirection of the peer is pulled out, TX of the peer and RX with OAM are normal, so the port
with OAM will be at up state all along.
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