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

## SYSLOG Details
- **Message**: Receive sequence mismatch on sync socket, expecting <variable>expected-value</variable>, received <variable>sequence-number</variable>.
- **Help**: DFWD found a mismatch in sequence numbers when communicating with kernel
- **Description**: If the routing engine is busy or operating under a heavy load, messages between DFWD and the kernel might be dropped. To detect whether messages have been dropped, DFWD and the kernel place sequence numbers in messages. DFWD detected that a message was dropped. In an attempt to recover, DFWD retries the operation.
- **Type**: Internal: Internal log message
- **Severity**: error
- **Cause**: -
- **Action**: -
- **Attributes**: expected-value
sequence-number
- **Facility**: LOG_DAEMON

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