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Configuring ATM IMA

Creating the IMA Groups (ATM Interfaces)

The following shows the configuration for IMA groups on ATM interfaces:

[edit chassis]fpc fpc-slot {pic pic-slot {aggregated-devices {ima {device-count count;}}}}

IMA Link Options

ima-link-options {group-id g;   # IMA group number, g is integer range}

IMA Group Options

ima-group-options {# IMA specification versionversion <1.0|1.1>;# IMA group minimum active links; integer; default is 1minimum-links <1-8>;# Transmit clock configuration; default is commontransmit-clock <common|independent>;# IMA frame length in integer number of cells; default is 128frame-length <32|64|128|256>;# IMA group symmetry mode selectionsymmetry <symmetrical-config-and-operation | symmetrical-config-asymmetrical-operation>;frame-synchronization {# Number of consecutive invalid ICP cells for IFSM, integer; default 2alpha 1-2;# Number of consecutive errored ICP cells for IFSM, integer; default 2beta 1-2;# Number of consecutive valid ICP cells for IFSM, integer; default 1gamma 1-5;}# Maximum differential delay among links in msec, integer; default 25differential-delay 1-56;test-procedure {# Interface name of the IMA link to testinterface name;# IMA test pattern, integer; default is 0xAApattern 1-254;# Length of IMA pattern test in seconds, integer; default 10period 1-4294967294}}

Published: 2010-04-20

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