juniper mx – Cannot present invoke command to backup RE from grasp RE

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juniper mx – Cannot present invoke command to backup RE from grasp RE


I’ve an MX960 field that confronted a problem as under.
Mater RE (RE1) cannot present any command invoke-on backup RE (RE0), for instance: present model invoke-on all-routing-engines.

{grasp}

nms@MX960> request routing-engine login other-routing-engine   

join to deal with 128.0.0.4: Operation timed out

Attempting 10.0.0.4...

re0: Operation timed out

join to deal with 128.0.0.4: Operation timed out

Attempting 10.0.0.4...

re0: Operation timed out

 

####present database-replication abstract

{grasp}

nms@MX960> present database-replication abstract

 

Normal:

    Sleek Restart           Enabled

    Mastership                 Grasp

    **Connection                 Down**

    Database                   Obtainable

    Message Queue              Not Prepared

 

####present activity replication

{grasp}

nms@MX960> present activity replication

        Stateful Replication: Enabled

        RE mode: Grasp

 

    Protocol                Synchronization Standing

    OSPF                    NotStarted           

    BGP                     NotStarted           

    MPLS                    NotStarted           

    RSVP                    NotStarted           

    LDP                     NotStarted  

I checked logs on backup RE (RE0) and acquired that interface ESW port 13 (interface connects SCB0 and RE0) flapped a number of occasions. However then, it’s up once more, however from RE1, I nonetheless could not present any command invoke-on backup RE (RE0).

enter image description here

KB33394
https://supportportal.juniper.internet/s/article/MX-Inner-interfaces-em0-and-em1-on-MX240-MX480-MX960-explained?language=en_US

From grasp RE, present chassis routing-engine, I see all REs (RE0 is backup an RE1 is grasp).
However from backup RE, present chassis routing-engine, state of grasp RE is Current.

**From RE0 (backup RE)**
viettel@KHA0011PRV01> present chassis routing-engine    
Routing Engine standing:
  Slot 0:
    Present state                  Backup
    Election precedence              Grasp (default)
    Temperature                 31 levels C / 87 levels F
    CPU temperature             30 levels C / 86 levels F
    DRAM                      16329 MB (16384 MB put in)
    Reminiscence utilization           9 p.c
    5 sec CPU utilization:
      Consumer                       0 p.c
      Background                 0 p.c
      Kernel                     0 p.c
      Interrupt                  0 p.c
      Idle                     100%
    1 min CPU utilization:
      Consumer                       0 p.c
      Background                 0 p.c
      Kernel                     0 p.c
      Interrupt                  0 p.c
      Idle                     100%
    5 min CPU utilization:
      Consumer                       0 p.c
      Background                 0 p.c
      Kernel                     0 p.c
      Interrupt                  0 p.c
      Idle                     100%
    15 min CPU utilization:
      Consumer                       0 p.c
      Background                 0 p.c
      Kernel                     0 p.c
      Interrupt                  0 p.c
      Idle                     100%
    Mannequin                          RE-S-1800x4
    Serial ID                      9009219924
    Begin time                     2022-08-18 11:39:45 ICT
    Uptime                         98 days, 22 hours, 4 minutes, 22 seconds
    Final reboot motive             Router rebooted after a traditional shutdown.
    Load averages:                 1 minute   5 minute  15 minute
                                       0.02       0.11       0.14
Routing Engine standing:
  Slot 1:
    Present state                  Current

**From RE1 (grasp RE)**
{grasp}
nms@KHA0011PRV01> present chassis routing-engine 
Nov 25 09:43:52
Routing Engine standing:
  Slot 0:
    Present state                  Backup
    Election precedence              Grasp (default)
    Temperature                 31 levels C / 87 levels F
    CPU temperature             30 levels C / 86 levels F
    DRAM                      16329 MB (16384 MB put in)
    Reminiscence utilization           9 p.c
    5 sec CPU utilization:
      Consumer                       0 p.c
      Background                 0 p.c
      Kernel                     0 p.c
      Interrupt                  0 p.c
      Idle                      99 p.c
    Mannequin                          RE-S-1800x4
    Serial ID                      9009219924
    Begin time                     2022-08-18 11:39:45 ICT
    Uptime                         98 days, 22 hours, 3 minutes, 17 seconds
    Final reboot motive             Router rebooted after a traditional shutdown.
    Load averages:                 1 minute   5 minute  15 minute
                                       0.11       0.13       0.15
Routing Engine standing:
  Slot 1:
    Present state                  Grasp
    Election precedence              Backup (default)
    Temperature                 32 levels C / 89 levels F
    CPU temperature             30 levels C / 86 levels F
    DRAM                      16329 MB (16384 MB put in)
    Reminiscence utilization           9 p.c
    5 sec CPU utilization:
      Consumer                       0 p.c
      Background                 0 p.c
      Kernel                     2 p.c
      Interrupt                  0 p.c
      Idle                      98 p.c
    1 min CPU utilization:
      Consumer                       0 p.c
      Background                 0 p.c
      Kernel                     2 p.c
      Interrupt                  0 p.c
      Idle                      98 p.c
    5 min CPU utilization:
      Consumer                       0 p.c
      Background                 0 p.c
      Kernel                     2 p.c
      Interrupt                  0 p.c
      Idle                      98 p.c
    15 min CPU utilization:
      Consumer                       0 p.c
      Background                 0 p.c
      Kernel                     2 p.c
      Interrupt                  0 p.c
      Idle                      98 p.c
    Mannequin                          RE-S-1800x4
    Serial ID                      9009219890
    Begin time                     2022-02-10 00:50:35 ICT
    Uptime                         288 days, 8 hours, 53 minutes, 13 seconds
    Final reboot motive             0x1:energy cycle/failure
    Load averages:                 1 minute   5 minute  15 minute
                                       0.14       0.23       0.23

After I rebooted RE0, every little thing OK.
Does anybody face the identical concern? Pls, give me some factors of your view.
Thanks.

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