VLL Service Configuration Commands
Page 342 7750 SR OS Services Guide
llf
Syntax [no] llf
Context config>service>apipe>sap>atm
config>service>epipe>sap>eth
Description This command enables Link Loss Forwarding (LLF) on an Ethernet port or an ATM port.
This feature provides an end-to-end OAM fault notification for Ethernet VLL service and for ATM
VLL service of vc-type atm-cell. It brings down the Ethernet port (Ethernet LLF) or sends a SONET/
SDH Path AIS (ATM LLF) towards the attached CE when there is a local fault on the Pseudowire or
service, or a remote fault on the SAP or pseudowire, signaled with label withdrawal or T-LDP status
bits. It ceases when the fault disappears.
The Ethernet port must be configured for null encapsulation. The ATM port must be configured as the
SAP on an apipe service of vc-type atm-cell. The ATM port must be configured as a clear channel
OC-3/STM-1 on an ASAP MDA.
The no form of the command disables LLF.
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