Juniper Networks M120 Manuel d'utilisateur télécharger pdf (Page 53)

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Quality of service (QoS) per port: weighted round-robin (WRR), random early detection

(RED), weighted random early detection (WRED)

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Simple Network Management Protocol (SNMP): E3 MIB, QoS MIB

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Input policing and output shaping

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Provider-side rate limiting

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Full data link connection identifier (DLCI) range with sparse channel numbering

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Per-DLCI queues with weighted deficit round-robin and strict priority

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Encapsulations:

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High-Level Data Link Control (HDLC)

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Frame Relay

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Circuit cross-connect (CCC)

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Translational cross-connect (TCC)

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Point-to-Point Protocol (PPP)

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JUNOS Release 7.0 or later is required to configure graceful Routing Engine switchover

(GRES).

Software features

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Standard E3 BNC coaxial cable interfacesCables and connectors

One tricolor per port:

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Off—Not enabled

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Green—Online with no alarms or failures

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Amber—Online with alarms for remote failures

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Red—Active with a local alarm; router has detected a failure

LEDs

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Alarm indication signal (AIS)

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Equipment failure (does not affect service)

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Frame error

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Line code violation

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Loss of signal (LOS)

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Out of frame (OOF)

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Yellow alarm bit (A-bit) disagreements

Alarms, errors, and

events

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Layer 2 per-queue packet and byte countersInstrumentation

(counters)

E3 IQ PIC ■ 53

E3 IQ PIC

1 2 ... 48 49 50 51 52 53 54 55 56 57 58 ... 115 116

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Juniper Networks M120 Manuel d'utilisateur Page 53

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