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Intelligent handling of oversubscribed traffic for Type 1 and Type 2 PICs
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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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Virtual Router Redundancy Protocol (VRRP) support
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Hierarchical shaping
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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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Point-to-Point Protocol over Ethernet (PPPoE) over VLAN (JUNOS Release 8.5 and later.)
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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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Flexible Ethernet encapsulation
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MAC learning, policing, accounting, and filtering
Software features
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You can install any transceiver supported by the PIC. For information about installing
and removing transceivers, see the PIC and Transceiver Installation Instructions.
NOTE: Do not install SONET/SDH SFPs in the Gigabit Ethernet port. The port will not recognize
the SFP.
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Fiber-optic small form-factor pluggable transceivers (SFPs):
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Duplex LC/PC connector (Rx and Tx)
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Optical interface support—See Table 17 on page 69
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Copper 1000Base-T SFPs:
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Connector: Four-pair, Category 5 shielded twisted-pair connectivity through an RJ-45
connector
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Pinout: MDI crossover
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Length: 328 ft/100 m
Cables and connectors
OK or Status LED, one tricolor:
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Off—PIC is offline and it is safe to remove it from the router.
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Green—PIC is operating normally.
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Amber—PIC is initializing.
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Red—PIC has an error or failure.
APP LED, one bicolor:
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Off—Monitoring application is not running.
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Green—Monitoring application is running under acceptable load.
Port LEDs, one per port:
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Off—Port is not enabled.
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Green—Port is online with no alarms or failures.
LEDs
68 ■ Gigabit Ethernet IQ2 PICs with SFP
M120 Internet Router PIC Guide