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Data-Link Connection Identifiers on Channelized Interfaces

If you use Frame Relay encapsulation on a channelized interface, see Table 36 for the maximum number of data-link connection identifiers (DLCIs) per channel that you can configure at each channel level for various channelized PICs.

Note: The actual number of DLCIs you can configure for each channel is determined by the capabilities of your system, such as the number and types of PICs installed. If the number of DLCIs in the configuration exceeds the capabilities of your system, the routing platform might not be able to support the maximum DLCI values shown in Table 36. To determine the capabilities of your system, please contact Juniper Networks customer support.

Table 36: Frame Relay DLCI Limitations for Channelized Interfaces

PIC Types

Number of DLCIs per Level

Range
Original Channelized PICs

DS0 level channels
  • 3 for sparse mode
  • 1–1022 for sparse mode (0 is reserved for the Local Management Interface [LMI])

T3 and T1 level channels
  • 63 for regular mode
  • 3 for sparse mode
  • 1–63 for regular mode
  • 1–1022 for sparse mode (0 is reserved for the LMI)
Channelized IQ and IQE PICs

DS0 level channels (Channelized DS3 IQ or IQE, Channelized STM1 IQ or IQE, Channelized E1 IQ, Channelized OC3 IQ or IQE, or Channelized OC12 IQ or IQE PICs)
  • 16
  • 1–1022 (0 is reserved for the LMI)

E1 level channels (Channelized E1 IQ PIC)

  • 64
  • 1–1022 (0 is reserved for the LMI)

E1 level channels (Channelized STM1 IQ or IQE PIC)

  • 64
  • 1–1022 (0 is reserved for the LMI)

OC3 level channels (Channelized OC3 IQ or IQE, or Channelized OC12 IQ or IQE PIC)
  • 1023
  • 1–1022 (0 is reserved for the LMI)

OC12 level channels (Channelized OC12 IQ or IQE PIC)
  • 1023
  • 1–1022 (0 is reserved for the LMI)

STM1 level channel (Channelized STM1 IQ or IQE PIC)
  • 1023
  • 1–1022 (0 is reserved for the LMI)

T1 level channels (Channelized DS3 IQ or IQE PIC)
  • 64
  • 1–1022 (0 is reserved for the LMI)

T1 level channels (Channelized OC3 IQ or IQE, or Channelized OC12 IQ or IQE PIC)
  • 64
  • 1–1022 (0 is reserved for the LMI)

T3 level channel (Channelized DS3 IQ or IQE, Channelized OC3 IQ or IQE, or Channelized OC12 IQ or IQE PIC)
  • 256
  • 1–1022 (0 is reserved for the LMI)
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