■
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:
■
Off—Not enabled
■
Green—Online with no alarms or failures
■
Amber—Online with alarms for remote failures
■
Red—Active 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
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