Cisco Nexus 7000 Series Configuration Manual page 253

Configuring Online Diagnostics
Test Name
PortLoopback
RewriteEngineLoopback
SnakeLoopback
InternalPortLoopback
Description Default Interval
Checks diagnostics 15 min
at a per-port basis
on all Admin
Down ports.
This is a 1 min
nondisruptive
per-port loopback
test, and hence can
run on ports that
are up as well. It is
designed to
monitor the fabric
to LC connectivity
and can detect
supervisor and
fabric failures.
Performs a 20 min
nondisruptive
loopback on all
ports, even those
ports that are not
in the shut state.
The ports are
formed into a
snake during
module boot up,
and the supervisor
checks the snake
connectivity
periodically.
Nondisruptive 5 min
per-port loopback
test, and hence can
run on ports that
are up as well.
Cisco Nexus 7000 Series NX-OS System Management Configuration Guide
Runtime or Health Monitoring Diagnostics
Supported Modules Unsupported
Modules
N7K-M148GS-11 RF N7K-M148GT-11
N7K-M148GS-11L N7K-M148GT-11L
N7K-M108X2-12L
N7K-M132XP-12 RF
N7K-M132XP-12L
N77-F348XP-23
All M2, F1, F2, F3, and
F2e modules
N77-M348XP-23L
N77-M324FQ-25L
All M1, M2, F2, and F2e All F1 and F3
modules modules
N77-M348XP-23L
N77-M324FQ-25L
All F1, F2, and F2e All M1, M2, M3,
modules and F3 modules
All M2, F2, and F2e All M1, F1, and F3
modules modules
N77-M348XP-23L
N77-M324FQ-25L
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