Technical Documentation

Link Services PIC (M40e Router)

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Software release

  • Junos OS Release 5.6 and later


  • Power requirement: 0.17 A @ 48 V (8 W)
  • Three versions:
    • 4 multilink bundles, 256 LFI links
    • 32 multilink bundles, 256 LFI links
    • 128 multilink bundles, 256 LFI links
  • Multilink bonding, link fragmentation and interleaving (LFI), and tunneling

Hardware features

  • Rate limiting/policing per multilink bundle
  • Byte-wise load balancing across multilink bundles
  • Bonding T1 links enable service ranging from 1.5 Mbps through 12 Mbps
  • Bonding E1 links enable service ranging from 2 Mbps through 16 Mbps
  • Loopback function that encapsulates and de-encapsulates packets

Software features

For a list of the software features available for services PICs, see the Junos Services Interfaces Configuration Guide.

  • Protocol support:
    • Multilink PPP (MLPPP)
    • Multilink Frame Relay (MLFR)—FRF.15 and FRF.16
    • Link fragmentation and interleaving (LFI)—FRF.12
    • LFI over MLPPP
  • IP-IP unicast tunneling
  • GRE unicast tunneling
  • PIM sparse mode unicast tunneling


One bicolor:

  • Off—PIC is offline
  • Green—PIC is online and at least one configured bundle is operating
  • Yellow—PIC is online, but one or more configured bundles are not operating

Published: 2010-08-14

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