System Information Commands
Page 320 7750 SR OS Basic System Configuration Guide
loopback-period
Syntax loopback-period period
no loopback-period
Context config>system>atm>oam
Description This command specifies the number of seconds between periodic loopback attempts on an ATM
endpoint that has periodic loopback enabled.
Parameters period — Specify the time, in seconds, between periodic loopback attempts.
Values 1 — 40
Default 10
retry-down
Syntax retry-down retries
no retry-down
Context config>system>atm>oam
Description Specifies the number of OAM loopback attempts that must fail after the periodic attempt before the
endpoint will transition to AIS-LOC state.
The retry values are configured on a system wide basis and are affective on the next period cycle of
any ATM VC SAP using periodic-loopback, if changed. The timeout for receiving a loopback
response from the remote peer and declaring the loopack failed is 1 second and is not configurable.
Parameters retries — Specify the number of failed loopback attempts before an ATM VC goes down.
Values 0 — 10 (A zero value means that the endpoint will transition to AIS-LOC state
immediately if the periodic loopback attempt fails.)
Default 4
retry-up
Syntax retry-up retries
no retry-up
Context config>system>atm>oam
Description This command specifies the number of consecutive OAM loopback attempts that must succeed after
the periodic attempt before the endpoint will transition the state to up.
Parameters retries — Specify the number of successful loopback replies before an ATM VC goes up.
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