Junos OS

Hi,

After executing the 'request system power-off' command, do I still have console access? If not, how do I power the device back on, considering the physical power switch would still be set to 'ON'?

Thanks,

Deepak

Hi Deepak,

This will depend on the device, Most SRXs will completely power off requiring physical (or a switching PDU to bring it back online. Most EX switches can be resumed by hitting any key on the console and the device will begin the boot sequence. 

Let us know what model/device you have and we can provide a specific answer.

Regards,

Gavin White

------------------------------
GAVIN WHITE

Original Message:
Sent: 01-23-2024 16:38
From: Unknown User
Subject: Question on 'request system power-off'

Hi,

After executing the 'request system power-off' command, do I still have console access? If not, how do I power the device back on, considering the physical power switch would still be set to 'ON'?

Thanks,

Deepak

Hi,

After executing the 'request system power-off' command, do I still have console access? If not, how do I power the device back on, considering the physical power switch would still be set to 'ON'?

Thanks,

Deepak

Hi,

After executing the 'request system power-off' command, do I still have console access? If not, how do I power the device back on, considering the physical power switch would still be set to 'ON'?

Thanks,

Deepak

Hello,

Relating to same topic, we need to relocate a MX10003 router from one DC to another DC, and are required to power-off the router gracefully to be shifted. I checked Juniper documentation and little confused, should I use 'request system power-off' or 'request vmhost power-off'?

To to power back the router ON, would simply need to connect to the power input and turn on the CB or need to run the 'request vmhost power-on' command?

Regards, 

Aqeel

Hi,

After executing the 'request system power-off' command, do I still have console access? If not, how do I power the device back on, considering the physical power switch would still be set to 'ON'?

Thanks,

Deepak

Hi Aqeel,

For VM Hosted devices, the request system power-off command is replaced with the request vmhost power-off command which provides similar functionality.

Juniper states: "For the devices with Routing Engines RE-S-2x00x6, RE-PTX-2x00x8, and RE-S-2x00x8, this command is deprecated and might be removed completely in a future release."

Note though, running this command will only shut down the RE you are connected to and the device will hand over the control function to the other RE.  You must include the both-routing-engines option using either of the commands above.  

When you request to power off both Routing Engines, all the FPCs in the chassis shut down after approximately 10 minutes and the chassis fans run at full speed. You will need to wait for this to ensure a graceful shutdown. 

Powering the router back on, should only require restoring the power input.

Hello,

Relating to same topic, we need to relocate a MX10003 router from one DC to another DC, and are required to power-off the router gracefully to be shifted. I checked Juniper documentation and little confused, should I use 'request system power-off' or 'request vmhost power-off'?

To to power back the router ON, would simply need to connect to the power input and turn on the CB or need to run the 'request vmhost power-on' command?

Regards, 

Aqeel

Hi,

After executing the 'request system power-off' command, do I still have console access? If not, how do I power the device back on, considering the physical power switch would still be set to 'ON'?

Thanks,

Deepak

Interesting Gavin, about your mention of the 10 minute wait period for FPC shutdown… is this statement true of MX960?  I'm asking because I usually shutdown the BURE and then the master RE… then a few seconds later power off the power supplies by flipping the toggle switches off.  Is it better to wait this 10 minutes to watch all the FPC's (linecards) poweroff?  …or does it really matter?

"When you request to power off both Routing Engines, all the FPCs in the chassis shut down after approximately 10 minutes and the chassis fans run at full speed. You will need to wait for this to ensure a graceful shutdown."

Hi Aqeel,

For VM Hosted devices, the request system power-off command is replaced with the request vmhost power-off command which provides similar functionality.

Juniper states: "For the devices with Routing Engines RE-S-2x00x6, RE-PTX-2x00x8, and RE-S-2x00x8, this command is deprecated and might be removed completely in a future release."

Note though, running this command will only shut down the RE you are connected to and the device will hand over the control function to the other RE.  You must include the both-routing-engines option using either of the commands above.  

When you request to power off both Routing Engines, all the FPCs in the chassis shut down after approximately 10 minutes and the chassis fans run at full speed. You will need to wait for this to ensure a graceful shutdown. 

Powering the router back on, should only require restoring the power input.

Hello,

Relating to same topic, we need to relocate a MX10003 router from one DC to another DC, and are required to power-off the router gracefully to be shifted. I checked Juniper documentation and little confused, should I use 'request system power-off' or 'request vmhost power-off'?

To to power back the router ON, would simply need to connect to the power input and turn on the CB or need to run the 'request vmhost power-on' command?

Regards, 

Aqeel

Hi,

After executing the 'request system power-off' command, do I still have console access? If not, how do I power the device back on, considering the physical power switch would still be set to 'ON'?

Thanks,

Deepak

Hi Aaron, 

Great Question... The impact/risk of not waiting is not mentioned in the Juniper documentation. Nor is there any option to shut down the FPCs, from the power-off command. You would have to execute the request chassis fpc offlinecommand first. The FPCs shut down because they no longer have communication with the Routing Engines and an Inter-Integrated Circuit (l2C) timeout occurred.

This command and procedure is valid for all PTX and MX routers.

------------------------------
GAVIN WHITE

Original Message:
Sent: 04-18-2024 11:57
From: aaron.gould
Subject: Question on 'request system power-off'

Interesting Gavin, about your mention of the 10 minute wait period for FPC shutdown… is this statement true of MX960?  I'm asking because I usually shutdown the BURE and then the master RE… then a few seconds later power off the power supplies by flipping the toggle switches off.  Is it better to wait this 10 minutes to watch all the FPC's (linecards) poweroff?  …or does it really matter?

"When you request to power off both Routing Engines, all the FPCs in the chassis shut down after approximately 10 minutes and the chassis fans run at full speed. You will need to wait for this to ensure a graceful shutdown."

------------------------------
- Aaron

Original Message:
Sent: 04-17-2024 23:01
From: GAVIN WHITE
Subject: Question on 'request system power-off'

Hi Aqeel,

For VM Hosted devices, the request system power-off command is replaced with the request vmhost power-off command which provides similar functionality.

Juniper states: "For the devices with Routing Engines RE-S-2x00x6, RE-PTX-2x00x8, and RE-S-2x00x8, this command is deprecated and might be removed completely in a future release."

Note though, running this command will only shut down the RE you are connected to and the device will hand over the control function to the other RE.  You must include the both-routing-engines option using either of the commands above.  

When you request to power off both Routing Engines, all the FPCs in the chassis shut down after approximately 10 minutes and the chassis fans run at full speed. You will need to wait for this to ensure a graceful shutdown. 

Powering the router back on, should only require restoring the power input.

------------------------------
GAVIN WHITE

Original Message:
Sent: 04-17-2024 17:35
From: MUHAMMAD AQEEL AHMAD
Subject: Question on 'request system power-off'

Hello,

Relating to same topic, we need to relocate a MX10003 router from one DC to another DC, and are required to power-off the router gracefully to be shifted. I checked Juniper documentation and little confused, should I use 'request system power-off' or 'request vmhost power-off'?

To to power back the router ON, would simply need to connect to the power input and turn on the CB or need to run the 'request vmhost power-on' command?

Regards, 

Aqeel

------------------------------
MUHAMMAD AQEEL AHMAD

Original Message:
Sent: 01-23-2024 16:38
From: djadhav
Subject: Question on 'request system power-off'

Hi,

After executing the 'request system power-off' command, do I still have console access? If not, how do I power the device back on, considering the physical power switch would still be set to 'ON'?

Thanks,

Deepak

------------------------------
- Aaron

Original Message:
Sent: 04-18-2024 14:57
From: GAVIN WHITE
Subject: Question on 'request system power-off'

Hi Aaron, 

Great Question... The impact/risk of not waiting is not mentioned in the Juniper documentation. Nor is there any option to shut down the FPCs, from the power-off command. You would have to execute the request chassis fpc offlinecommand first. The FPCs shut down because they no longer have communication with the Routing Engines and an Inter-Integrated Circuit (l2C) timeout occurred.

This command and procedure is valid for all PTX and MX routers.

------------------------------
GAVIN WHITE

Original Message:
Sent: 04-18-2024 11:57
From: aaron.gould
Subject: Question on 'request system power-off'

Interesting Gavin, about your mention of the 10 minute wait period for FPC shutdown… is this statement true of MX960?  I'm asking because I usually shutdown the BURE and then the master RE… then a few seconds later power off the power supplies by flipping the toggle switches off.  Is it better to wait this 10 minutes to watch all the FPC's (linecards) poweroff?  …or does it really matter?

"When you request to power off both Routing Engines, all the FPCs in the chassis shut down after approximately 10 minutes and the chassis fans run at full speed. You will need to wait for this to ensure a graceful shutdown."

------------------------------
- Aaron

Original Message:
Sent: 04-17-2024 23:01
From: GAVIN WHITE
Subject: Question on 'request system power-off'

Hi Aqeel,

For VM Hosted devices, the request system power-off command is replaced with the request vmhost power-off command which provides similar functionality.

Juniper states: "For the devices with Routing Engines RE-S-2x00x6, RE-PTX-2x00x8, and RE-S-2x00x8, this command is deprecated and might be removed completely in a future release."

Note though, running this command will only shut down the RE you are connected to and the device will hand over the control function to the other RE.  You must include the both-routing-engines option using either of the commands above.  

When you request to power off both Routing Engines, all the FPCs in the chassis shut down after approximately 10 minutes and the chassis fans run at full speed. You will need to wait for this to ensure a graceful shutdown. 

Powering the router back on, should only require restoring the power input.

------------------------------
GAVIN WHITE

Original Message:
Sent: 04-17-2024 17:35
From: MUHAMMAD AQEEL AHMAD
Subject: Question on 'request system power-off'

Hello,

Relating to same topic, we need to relocate a MX10003 router from one DC to another DC, and are required to power-off the router gracefully to be shifted. I checked Juniper documentation and little confused, should I use 'request system power-off' or 'request vmhost power-off'?

To to power back the router ON, would simply need to connect to the power input and turn on the CB or need to run the 'request vmhost power-on' command?

Regards, 

Aqeel

------------------------------
MUHAMMAD AQEEL AHMAD

Original Message:
Sent: 01-23-2024 16:38
From: djadhav
Subject: Question on 'request system power-off'

Hi,

After executing the 'request system power-off' command, do I still have console access? If not, how do I power the device back on, considering the physical power switch would still be set to 'ON'?

Thanks,

Deepak