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Configuring the ATM PIC Type

 

For ATM1 and ATM2 IQ interfaces, the Junos OS does not determine from the interface name at- fpc/pic/port whether your router has an ATM1 or ATM2 IQ PIC installed. You can configure the PIC type as ATM1 or ATM2 IQ by including the pic-type statement at the [edit interfaces interface-name atm-options] hierarchy level:

On MX Series routers with ATM MICs with SFP, you do not have to configure the PIC type because Junos OS automatically configures the PIC type as ATM MIC.

Note

This topic uses the term PIC for ATM MICs where the reference is to a CLI or Junos OS entity.

The following guidelines apply to configuring the ATM PIC type:

  • If you include the pic-type statement in the configuration, and you include other statements at the [edit interfaces interface-name atm-options] hierarchy level that do not match the configured PIC type, the configuration does not commit. For example, you cannot commit a configuration that includes the pic-type atm2 statement and the maximum-vcs statement.

  • If you do not include the pic-type statement and you do include the maximum-vcs statement in the configuration, Junos OS assumes you are configuring an ATM1 interface, and sets the PIC type option accordingly. If you do not include the maximum-vcs statement in the configuration, Junos OS assumes you are configuring an ATM2 IQ interface, and sets the PIC type option accordingly.

  • On MX Series routers with ATM MICs with SFP, Junos OS automatically sets the PIC type to ATM MIC.

  • If you include the promiscuous-mode statement in the configuration of an ATM2 interface, you must also include the pic-type atm2 statement.

Configure the PIC type on an ATM1 and an ATM2 interface.

Note

On MX Series routers with ATM MICs with SFP, Junos OS automatically sets the PIC type to ATM MIC.

To configuring the ATM PIC Type:

  • On an ATM1 Interface

  • On an ATM2 IQ Interface

  • On an ATM MIC Interface

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