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request chassis cb

Syntax

Syntax (TX Matrix Router)

Syntax (TX Matrix Plus Router)

Syntax (QFabric System)

Syntax (EX9253 Switches)

Description

(M120, M320, and MX Series routers and T Series routers, QFabric systems, and EX8200 switches only) Control the operation of the Control Board (CB).

Options

offline

Take the Control Board offline.

Note:

On a QFabric system, to bring the backup Control Board on a QFX3008-I Interconnect device offline, issue the request chassis cb slot backup-slot-number offline command.

Note:

Only backup Control Board can be turned offline or online. To turn a Control Board offline or to bring it back online, the Routing Engine should be turned offline first.

online

Bring the Control Board online.

interconnect-device name

(QFabric systems only) (Optional) Bring the QFX3008-I Interconnect device Control Board either offline or online:

slot slot-number

Control Board slot number:

  • (TX Matrix and TX Matrix Plus routers only) On a TX Matrix router, if you specify the number of the T640 router by using the lcc number option (the recommended method), replace cb-slot-number with a value from 0 through 1.

    Likewise, on a TX Matrix Plus router, if you specify the number of the T1600 or T4000 router by using the lcc number option (the recommended method), replace cb-slot-number with a value from 0 through 1.

  • M320 router—Replace slot-number with a value from 0 through 1.

  • MX480/MX240 routers—Replace slot-number with a value from 0 through 1.

  • MX960 router—Replace slot-number with a value from 0 through 2.

  • MX2020, MX2010, and MX2008 routers—Replace slot-number with 0 or 1.

  • EX8208 switch—Replace slot-number with a value from 0 through 2.

  • EX8216 switch—Replace slot-number with a value from 0 through 1.

  • QFabric System—Replace slot-number with a value from 0 through 1.

lcc number

(TX Matrix, TX Matrix Plus routers only) (Optional) Line-card chassis number.

Replace number with the following values depending on the LCC configuration:

  • 0 through 3, when T640 routers are connected to a TX Matrix router in a routing matrix.

  • 0 through 3, when T1600 routers are connected to a TX Matrix Plus router in a routing matrix.

  • 0 through 7, when T1600 routers are connected to a TX Matrix Plus router with 3D SIBs in a routing matrix.

  • 0, 2, 4, or 6, when T4000 routers are connected to a TX Matrix Plus router with 3D SIBs in a routing matrix.

sfc number

(TX Matrix Plus routers only) (Optional) Change the CB status for the TX Matrix Plus router (switch-fabric chassis). Replace number with 0.

Required Privilege Level

maintenance

Output Fields

When you enter this command, you are provided feedback on the status of your request.

Sample Output

request chassis cb

request chassis cb interconnect-device (QFabric System)

request chassis cb (MX2020 Router)

request chassis cb (MX2010 Router)

request chassis cb (MX2008 Router)

request chassis cb (MX10003 Router)

request chassis cb (EX9253 Switch)

Release Information

Command introduced before Junos OS Release 7.4.

sfc option introduced for the TX Matrix Plus router in Junos OS Release 9.6.