Show, Clear, Debug, and Tools Command Reference
544 Basic System Configuration Guide
set-fabric-speed
Syntax set-fabric-speed speed
Context tools>perform
Description This command sets fabric speed for the 7750 SR. With the introduction of SFM5-12e and the mini-
SFM5-12e, a new tools command (set-fabric-speed) was added to set the fabric operating speed.
(tools command does not apply to SFM4-12e) fabric-speed-a).
Parameters fabric-speed-a — The 7750 SR-12e chassis defaults to the fabric-speed-a when initially
deployed with SFM5-12e. It operates at 200GB per slot which permits a mixture of FP2/FP3
based cards to co-exist.
fabric-speed-b — Enables the 7750 SR-12e to operate at up to 400 Gb/s, for which all cards in the
7750 SR-12e are required to be T3 based (FP3 IMM and/or IOM3-XP-C). The system will
not support any FP2 based cards when the chassis is set to fabric-speed-b.
sfm-interco-test
Syntax sfm-interco-test [sfm x]
Context tools>perform>system>inter-chassis>
Description Use this command to run inter-chassis SFM loopback tests for the 7950 XRS.
Run on an out-of-service standalone chassis that will later become the Extension chassis of an XRS-
40 system. The out of service chassis (Chassis 1 – future Master chassis) must be connected by means
of SFM interconnect links (cable bundles) before this test is run. This test operates without requiring
any XCMs in either chassis, but they can be present.
The test should not be initiated from Chassis 1.
The following conditions must be satisfied for the test to be permitted:
• The system must be in standalone mode; error message:
The test can only be performed on a standalone system
• The system must have only XRS-40 compatible SFMs provisioned; error message:
The chassis can not have SFMs with a configured type of sfm-x20s-b
when performing the test
• All provisioned SFMs must be operational; error message:
All provisioned SFMs must be operational before performing the test
• The same test cannot be running in another session (i.e. only one test can be executed at a
time); error message:
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