# [FXPC_SIB_DIS_CB_PLX_DOWNSTREAM_PORT](https://apps.juniper.net/syslog-explorer/?msg=FXPC_SIB_DIS_CB_PLX_DOWNSTREAM_PORT)

## SYSLOG Details
- **Message**: <variable>function-name</variable>: CB[<variable>cb-slot</variable>] PLX - <variable>disable-flag</variable> port <variable>cb-port</variable>. port reg = 0x<variable>cb-dis-register</variable> val = 0x<variable>cb-dis-value</variable>
- **Help**: Disable/Enable downstream ports to SIB
- **Description**: Disable/Enable upstream ports to SIB
- **Type**: Internal: Internal log message
- **Severity**: info
- **Cause**: -
- **Action**: -
- **Attributes**: function-name
cb-slot
disable-flag
cb-port
cb-dis-register
cb-dis-value
- **Facility**: LOG_DAEMON

## Found this message in the following releases:
- [Junos OS 24.2R1](https://apps.juniper.net/syslog-explorer/?msg=FXPC_SIB_DIS_CB_PLX_DOWNSTREAM_PORT&sw=Junos%20OS&rel=24.2R1)
- [Junos OS 23.4R1](https://apps.juniper.net/syslog-explorer/?msg=FXPC_SIB_DIS_CB_PLX_DOWNSTREAM_PORT&sw=Junos%20OS&rel=23.4R1)