Juniper JUNOS 10.1 - CONFIGURATION GUIDE 1-2010 Configuration Manual page 1226

JUNOS 10.1 Network Interfaces Configuration Guide
hold-time (SONET/SDH Defect Triggers)
Syntax hold-time up milliseconds down milliseconds;
Hierarchy Level [edit interfaces interface-name sonet-options trigger defect]
Statement introduced before JUNOS Release 7.4.
Release Information
For ATM over SONET/SDH and SONET/SDH interfaces only, apply up and down hold
Description
times to SONET/SDH defect triggers. When you apply a down hold time to a defect,
the defect must remain present for at least the hold-time period before the interface
is marked down. When you apply an up hold time to a defect, the defect must remain
absent for at least the hold-time period before the interface is marked up, assuming
no other defect is outstanding.
NOTE: On M Series and T Series platforms with Channelized SONET IQ PICs and
Channelized SONET IQE PICs, the SONET defect alarm trigger
is not supported.
If you do not include this statement, when a defect is detected the interface is marked
Default
down immediately, and when the defect becomes absent the interface is marked up
immediately.
Options down milliseconds
up milliseconds
interface—To view this statement in the configuration.
Required Privilege Level
interface-control—To add this statement to the configuration.
Related Topics
1156
hold-time (SONET/SDH Defect Triggers)
—Hold time to wait before the interface is marked down.
Range: 1 through 65,534 milliseconds
Default: No hold time
—Hold time to wait before the interface is marked up.
Range: 1 through 65,534 milliseconds
Default: No hold time
Configuring SONET/SDH Defect Hold Times on page 908
statement
hold-time