# COSD_REWRITE_RULE_DUPLICATE_ADDITION

## Canonical Reference

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

**Canonical URL:**  
https://apps.juniper.net/syslog-explorer/?msg=COSD_REWRITE_RULE_DUPLICATE_ADDITION

## SYSLOG Details
- **Message**: Another <variable>rewrite-type-name</variable> rewrite-rule of same rewrite-type <variable>rewrite-rule-name</variable> is present. Creating more than one rewrite-rule of the same type is not supported.
- **Help**: The configured rewrite type is already present on the interface
- **Description**: During configuration of CoS rewrite rule, if the rewrite type for configuration is already present on the provided interface then error is returned stating the rewrite rule addition is a duplicate addition. The CoS rewrite types include DSCP, DSCP-IPv6, INET, INET6, EXP, IEEE
- **Type**: Error: An error occurred
- **Severity**: error
- **Cause**: Duplicate rewrite-rule addition
- **Action**: Remove the rewrite-rule configuration
- **Attributes**: rewrite-type-name
rewrite-rule-name
- **Facility**: LOG_DAEMON

## Found this message in the following releases:
- [Junos OS 26.2R1](https://apps.juniper.net/syslog-explorer/?msg=COSD_REWRITE_RULE_DUPLICATE_ADDITION&sw=Junos%20OS&rel=26.2R1)
- [Junos OS 25.4R1](https://apps.juniper.net/syslog-explorer/?msg=COSD_REWRITE_RULE_DUPLICATE_ADDITION&sw=Junos%20OS&rel=25.4R1)
- [Junos OS 25.2R2](https://apps.juniper.net/syslog-explorer/?msg=COSD_REWRITE_RULE_DUPLICATE_ADDITION&sw=Junos%20OS&rel=25.2R2)
- [Junos OS 25.2R1](https://apps.juniper.net/syslog-explorer/?msg=COSD_REWRITE_RULE_DUPLICATE_ADDITION&sw=Junos%20OS&rel=25.2R1)
- [Junos OS 24.4R2](https://apps.juniper.net/syslog-explorer/?msg=COSD_REWRITE_RULE_DUPLICATE_ADDITION&sw=Junos%20OS&rel=24.4R2)
- [Junos OS 24.4R1](https://apps.juniper.net/syslog-explorer/?msg=COSD_REWRITE_RULE_DUPLICATE_ADDITION&sw=Junos%20OS&rel=24.4R1)
- [Junos OS 24.2R2](https://apps.juniper.net/syslog-explorer/?msg=COSD_REWRITE_RULE_DUPLICATE_ADDITION&sw=Junos%20OS&rel=24.2R2)
- [Junos OS 24.2R1](https://apps.juniper.net/syslog-explorer/?msg=COSD_REWRITE_RULE_DUPLICATE_ADDITION&sw=Junos%20OS&rel=24.2R1)
- [Junos OS 23.4R2](https://apps.juniper.net/syslog-explorer/?msg=COSD_REWRITE_RULE_DUPLICATE_ADDITION&sw=Junos%20OS&rel=23.4R2)
- [Junos OS 23.4R1](https://apps.juniper.net/syslog-explorer/?msg=COSD_REWRITE_RULE_DUPLICATE_ADDITION&sw=Junos%20OS&rel=23.4R1)
- [Junos OS 23.2R2](https://apps.juniper.net/syslog-explorer/?msg=COSD_REWRITE_RULE_DUPLICATE_ADDITION&sw=Junos%20OS&rel=23.2R2)
- [Junos OS 23.2R1](https://apps.juniper.net/syslog-explorer/?msg=COSD_REWRITE_RULE_DUPLICATE_ADDITION&sw=Junos%20OS&rel=23.2R1)
- [Junos OS 22.4R3](https://apps.juniper.net/syslog-explorer/?msg=COSD_REWRITE_RULE_DUPLICATE_ADDITION&sw=Junos%20OS&rel=22.4R3)
- [Junos OS 22.4R2](https://apps.juniper.net/syslog-explorer/?msg=COSD_REWRITE_RULE_DUPLICATE_ADDITION&sw=Junos%20OS&rel=22.4R2)
- [Junos OS 22.4R1](https://apps.juniper.net/syslog-explorer/?msg=COSD_REWRITE_RULE_DUPLICATE_ADDITION&sw=Junos%20OS&rel=22.4R1)
- [Junos OS 22.2R3](https://apps.juniper.net/syslog-explorer/?msg=COSD_REWRITE_RULE_DUPLICATE_ADDITION&sw=Junos%20OS&rel=22.2R3)
- [Junos OS 22.2R2](https://apps.juniper.net/syslog-explorer/?msg=COSD_REWRITE_RULE_DUPLICATE_ADDITION&sw=Junos%20OS&rel=22.2R2)
- [Junos OS 22.2R1](https://apps.juniper.net/syslog-explorer/?msg=COSD_REWRITE_RULE_DUPLICATE_ADDITION&sw=Junos%20OS&rel=22.2R1)