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number-of-ports

 

Syntax

Hierarchy Level

Hierarchy Level

Release Information

Statement introduced in Junos OS Release 10.1 for the 16x10GE MPC.

Support for MPC3, MPC4, MPC5, and MPC6 introduced in Junos OS Release 13.3R2.

Support for MPC7E-MRATE MPC introduced in Junos OS Release 15.1F4.

Support for MPC8E and MPC9E introduced in Junos OS Release 15.1F5.

Support for MX10003 MPC introduced in Junos OS Release 17.3R1

Support for MX204 routers introduced in Junos OS Release 17.4R1

Statement introduced in Junos OS Release 16.1 for EX9200 switches.

Description

Administratively enable physical ports, for example, to prevent oversubscription of the line card fabric interface. By default, all available ports are enabled. When disabled, the LED on the affected line card will appear yellow on capable line cards.

(MX Series with 16x10GE MPC, MPC3, MPC4, MPC5, and MPC6) You can disable a subset of the physical ports available on the Packet Forwarding Engines of the 16x10GE MPC, and for MICs installed in MPC3, MPC4, MPC5, and MPC6. Specify either 8 or 12 ports by using this statement. When eight active ports are configured, two ports per Packet Forwarding Engine are disabled, and the LEDs on the MPC appear yellow. When you specify 12 active ports, one port per Packet Forwarding Engine is disabled and the corresponding LED appear yellow. When you do not include this statement in the configuration, all 16 default ports on the MPC are active.

(MX Series with MPC7E-MRATE, MPC8E, and MPC9E) To ensure guaranteed bandwidth by preventing fabric oversubscription, you can disable a subset of the physical ports available on MPC7E-MRATE, MPC8E, and MPC9E. For information about the active ports for MPC7E-MRATE, MPC8E, and MPC9E, see Supported Active Physical Ports for Configuring Rate Selectability to Prevent Oversubscription.

(MX204 routers) To ensure guaranteed bandwidth by preventing oversubscription, you can disable a subset of the physical ports available on MX204 routers. For information about the active ports for MX204 routers, see Supported Active Physical Rate-Selectable Ports to Prevent Oversubscription on MX204 Router

(EX9200 switches)

Options

number-of-active-physical-ports—Specify the number of physical ports to enable on PICs or MICs on an MPC.

Required Privilege Level

interface—To view this statement in the configuration.

interface-control—To add this statement to the configuration.