Interfaces
Page 248 7750 SR Interface Configuration Guide
IMA Test Procedure
Use the following CLI to perform IMA Test Pattern Procedure on a member link of an IMA group:
CLI Syntax: configure# port bundle-type-slot/mda.bundle-num
multilink-bundle
ima
test-pattern-procedure
test-link port-id
test-pattern [pattern]
no shutdown
An operator can deploy IMA test procedures to verify operations of IMA group and its member
links. Following is a list of key points about the test pattern procedure.
1. The test procedure is performed as defined by the IMA specification version 1.1, i.e. a
test pattern is sent over the specified link and is expected to be looped back over all the
links in the group. ICP cells are used to perform the test.
2. The test procedure is not traffic affecting, for example, data traffic will not be affected by the
ongoing test.
3. There can only be a single test executed per an IMA group at any given time
4. The IMA member link must exist in the specified group for the command to be accepted.
5. The test-pattern-procedure must be shutdown before a new test-link value or test pattern is
accepted.
6. The current IMA group test pattern configuration and result of a given IMA test can be seen by
executing a show command for the IMA group. A test-link result can have three values:
a. Disabled: The test-link is currently not running.
b. Operating: The test pattern procedure is no shutdown and there are currently no failed-
links for this running test-pattern-procedure.
c. Link-Failed: One or more links have failed the test-pattern-procedure. Execute a show
port <slot/mda/port.sonet-sdh-index> ima-link command to see the failed link and
received pattern value.
7. Deleting a member link that is the same as the specified test-link, to stay in compliance with
key point 4, will result in the test-link value being reset to default.
8. IMA test procedure configurations are not saved when the admin save command is executed.
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