Configuring ATM F5-OAM End-to-End Loopback
All 8672 ATM modules, by default, reply to received ATM F5-OAM Loopback requests. However, the transmission of F5-OAM Loopback requests and the processing of received F5-OAM Loopback replies requires you to enable this feature on a PVC-by-PVC basis. Nortel Networks recommends that you enable ATM F5-OAM on all the PVCs configured on 8672 ATM modules to allow upper layer protocols, such as MLT and OSPF, to be immediately aware of the port-down status or link-failures.
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Note:
You must enable the F5-OAM parameter for each PVC on the DS3 interface to properly detect far end link failures.
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