Juniper Networks M120 Network Router User Manual


 
Quality of service (QoS) per port: weighted round-robin (WRR), random early detection
(RED), weighted random early detection (WRED)
Simple Network Management Protocol (SNMP): E3 MIB, QoS MIB
Input policing and output shaping
Provider-side rate limiting
Full data link connection identifier (DLCI) range with sparse channel numbering
Per-DLCI queues with weighted deficit round-robin and strict priority
Encapsulations:
High-Level Data Link Control (HDLC)
Frame Relay
Circuit cross-connect (CCC)
Translational cross-connect (TCC)
Point-to-Point Protocol (PPP)
JUNOS Release 7.0 or later is required to configure graceful Routing Engine switchover
(GRES).
Software features
Standard E3 BNC coaxial cable interfacesCables and connectors
One tricolor per port:
OffNot enabled
GreenOnline with no alarms or failures
AmberOnline with alarms for remote failures
RedActive with a local alarm; router has detected a failure
LEDs
Alarm indication signal (AIS)
Equipment failure (does not affect service)
Frame error
Line code violation
Loss of signal (LOS)
Out of frame (OOF)
Yellow alarm bit (A-bit) disagreements
Alarms, errors, and
events
Layer 2 per-queue packet and byte countersInstrumentation
(counters)
E3 IQ PIC 53
E3 IQ PIC