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Gigabit Ethernet Enhanced IQ2 (IQ2E) PIC with SFP (M7i Router)

g004424

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Junos OS Release 9.4 and laterSoftware release

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Four Gigabit Ethernet ports

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Power requirement: 0.67 A @ 48 V (32 W)

Description

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High-performance throughput on each port: speeds up to 1 Gbps

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Full-duplex mode

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Large maximum transmission units (MTUs) of up to 9192 bytes

Hardware features

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Intelligent handling of oversubscribed traffic

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Optical diagnostics and related alarms

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

(RED), weighted random early detection (WRED)

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Drop statistics reported per queue for each of four priority-based drop profiles

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Four levels of strict priorities with priority propagation among scheduling levels

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Virtual Router Redundancy Protocol (VRRP) support

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Hierarchical shaping and hierarchical scheduler

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Fine-grained queuing and shaping per logical interface at both ingress and egress

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802.1q virtual LANs (VLANs)

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VLAN stacking and rewriting

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Channels defined by two stacked VLAN tags

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Multiple tag protocol identifiers (TPID) support

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IP service for nonstandard TPID and stacked VLAN tags

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802.1p rewrite per channel

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Flexible mapping of channels and scheduler resources at both ingress and egress

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16,000 schedulers (2,000 schedulers with 8 queues each or 4,000 schedulers with 4 queues

each)

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Scheduler resources dynamically allocated across ports

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Flexible Ethernet encapsulation

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MAC learning, policing, accounting, and filtering

Software features

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Juniper-networks M7I Manuel d'utilisateur Page 82

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