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

## SYSLOG Details
- **Message**: Duplicate MAC address <variable>routing-instance</variable>::<variable>l2-domain-id</variable>::<variable>mac-address</variable> suppressed
- **Help**: EVPN suppressed a duplicate MAC address
- **Description**: A MAC address has moved between routers in the EVPN control plane multiple times and exceeded the configured threshold of allowable moves in the configured detection time window. The MAC will be suppressed and further updates for it will not be processed until the operator manually clears the duplicate state or the configured automatic recovery time passes and automatically unsuppresses the MAC.
- **Type**: Event: This message reports an event, not an error
- **Severity**: error
- **Cause**: -
- **Action**: Check for duplication of the MAC address, resolve the duplication, then restore normal operation by manually clearing the duplicate MAC suppression or waiting for the automatic recovery time to pass, if automatic recovery is configured.
- **Attributes**: routing-instance
l2-domain-id
mac-address
- **Facility**: LOG_DAEMON

## Found this message in the following releases:
- [Junos OS 26.2R1](https://apps.juniper.net/syslog-explorer/?msg=EVPN_DUPLICATE_SUPPRESS_MAC&sw=Junos%20OS&rel=26.2R1)
- [Junos OS 25.4R1](https://apps.juniper.net/syslog-explorer/?msg=EVPN_DUPLICATE_SUPPRESS_MAC&sw=Junos%20OS&rel=25.4R1)
- [Junos OS 25.2R2](https://apps.juniper.net/syslog-explorer/?msg=EVPN_DUPLICATE_SUPPRESS_MAC&sw=Junos%20OS&rel=25.2R2)
- [Junos OS 25.2R1](https://apps.juniper.net/syslog-explorer/?msg=EVPN_DUPLICATE_SUPPRESS_MAC&sw=Junos%20OS&rel=25.2R1)
- [Junos OS 24.4R2](https://apps.juniper.net/syslog-explorer/?msg=EVPN_DUPLICATE_SUPPRESS_MAC&sw=Junos%20OS&rel=24.4R2)
- [Junos OS 24.4R1](https://apps.juniper.net/syslog-explorer/?msg=EVPN_DUPLICATE_SUPPRESS_MAC&sw=Junos%20OS&rel=24.4R1)
- [Junos OS 24.2R2](https://apps.juniper.net/syslog-explorer/?msg=EVPN_DUPLICATE_SUPPRESS_MAC&sw=Junos%20OS&rel=24.2R2)
- [Junos OS 24.2R1](https://apps.juniper.net/syslog-explorer/?msg=EVPN_DUPLICATE_SUPPRESS_MAC&sw=Junos%20OS&rel=24.2R1)
- [Junos OS Evolved 26.2R1](https://apps.juniper.net/syslog-explorer/?msg=EVPN_DUPLICATE_SUPPRESS_MAC&sw=Junos%20OS%20Evolved&rel=26.2R1)
- [Junos OS Evolved 25.4R1](https://apps.juniper.net/syslog-explorer/?msg=EVPN_DUPLICATE_SUPPRESS_MAC&sw=Junos%20OS%20Evolved&rel=25.4R1)
- [Junos OS Evolved 25.2R2](https://apps.juniper.net/syslog-explorer/?msg=EVPN_DUPLICATE_SUPPRESS_MAC&sw=Junos%20OS%20Evolved&rel=25.2R2)
- [Junos OS Evolved 25.2R1](https://apps.juniper.net/syslog-explorer/?msg=EVPN_DUPLICATE_SUPPRESS_MAC&sw=Junos%20OS%20Evolved&rel=25.2R1)
- [Junos OS Evolved 24.4R2](https://apps.juniper.net/syslog-explorer/?msg=EVPN_DUPLICATE_SUPPRESS_MAC&sw=Junos%20OS%20Evolved&rel=24.4R2)
- [Junos OS Evolved 24.4R1](https://apps.juniper.net/syslog-explorer/?msg=EVPN_DUPLICATE_SUPPRESS_MAC&sw=Junos%20OS%20Evolved&rel=24.4R1)
- [Junos OS Evolved 24.2R1](https://apps.juniper.net/syslog-explorer/?msg=EVPN_DUPLICATE_SUPPRESS_MAC&sw=Junos%20OS%20Evolved&rel=24.2R1)
- [Junos OS Evolved 22.2R3](https://apps.juniper.net/syslog-explorer/?msg=EVPN_DUPLICATE_SUPPRESS_MAC&sw=Junos%20OS%20Evolved&rel=22.2R3)