request chassis cb
Syntax
request chassis cb (offline | online) slot slot-number
Syntax (QFabric System)
request chassis cb (offline | online) interconnect-device name slot slot-number <interconnect-device name slot slot-number (offline | online)>
Syntax (EX9253 Switches)
request chassis cb (offline | online) name slot slot-number
request chassis cb (PTX10008 Router)
user@host> request chassis cb offline slot 1 Offline initiated, use "show chassis environment cb" to verify
Output
The following error message is displayed when you try to offine a slot when the related node is online.
root@re0-re0> request chassis cb slot 1 offline Error: CB offline is not allowed, when node is in online state. Try to offline the node using "request node offline [node]"
Description
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 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 |
The following options can be configured for CB slots:
Control Board slot number:
|
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)
- request chassis cb (ACX7509)
request chassis cb
user@host> request chassis cb offline slot 1 Backup CB 1 cannot be set offline, backup RE is online
request chassis cb interconnect-device (QFabric System)
user@switch> request chassis cb interconnect-device interconnect1 offline slot 1 Backup CB 1 cannot be set offline, backup RE is online
request chassis cb (MX2020 Router)
user@host> request chassis cb offline slot 1 Backup CB 1 cannot be set offline, backup RE is online
request chassis cb (MX2010 Router)
user@host> request chassis cb offline slot 1 Backup CB 1 cannot be set offline, backup RE is online
request chassis cb (MX2008 Router)
user@host>request chassis cb offline slot 1 Backup CB 1 cannot be set offline, backup RE is online
request chassis cb (MX10003 Router)
user@host>request chassis cb online slot 1 CB 1 appears to be online already
request chassis cb (EX9253 Switch)
user@switch>request chassis cb offline slot 1 Offline initiated, use "show chassis environment cb" to verify
request chassis cb (ACX7509)
user@host>request chassis cb offline slot 1 Offline initiated
user@host>request chassis cb online slot 1 Online initiated
Usage
When request chassis cb slot 1 offline
, is configured before the
node is made offline, the following error Error: CB offline is not allowed,
when the node is online state. Try to offline the node using "request node
offline node
is displayed.
Platform-Specific request chassis cb Behavior
Use Feature Explorer to confirm platform, and release support for specific features.
Use the following table to review platform-specific behaviors for your platform:
Platform |
Difference |
---|---|
Junos OS Evolved device with dual Routing and Control Boards (RCBs) |
After initiating a node halt, you must wait 1 minute before doing Control Board (CB) offline. This delay ensures system stability. If you try to offline a CB within this period, the system displays the following error message: request chassis cb slot 1 offline Error: CB offline is not allowed now, Try after sometime |
Release Information
Command introduced before Junos OS Release 7.4.