# [COSD_L2TP_COS_NOT_SUPPORTED](https://apps.juniper.net/syslog-explorer/?msg=COSD_L2TP_COS_NOT_SUPPORTED)

## SYSLOG Details
- **Message**: Unable to apply CoS to L2TP session <variable>session-id</variable> on interface <variable>interface-name</variable>: it does not support CoS
- **Help**: Interface does not support L2TP CoS
- **Description**: The class-of-service (CoS) process (cosd) did not apply CoS settings to the indicated Layer 2 Tunneling Protocol (L2TP) session on the indicated interface. The interface is configured to support session-aware CoS for L2TP, but is not on a PIC that supports that feature, such as an IQ2 PIC. In terms of configuration, the 'per-session-scheduler' statement is included at the [edit interfaces &lt;interface-name> unit &lt;logical-unit-number>] hierarchy level.
- **Type**: Error: An error occurred
- **Severity**: error
- **Cause**: -
- **Action**: Determine whether the interface is on an PIC that supports session-aware CoS; if not, remove the 'per-session-scheduler' statement.
- **Attributes**: session-id
interface-name
- **Facility**: LOG_DAEMON

## Found this message in the following releases:
- [Junos OS 26.2R1](https://apps.juniper.net/syslog-explorer/?msg=COSD_L2TP_COS_NOT_SUPPORTED&sw=Junos%20OS&rel=26.2R1)
- [Junos OS 25.4R1](https://apps.juniper.net/syslog-explorer/?msg=COSD_L2TP_COS_NOT_SUPPORTED&sw=Junos%20OS&rel=25.4R1)
- [Junos OS 25.2R2](https://apps.juniper.net/syslog-explorer/?msg=COSD_L2TP_COS_NOT_SUPPORTED&sw=Junos%20OS&rel=25.2R2)
- [Junos OS 25.2R1](https://apps.juniper.net/syslog-explorer/?msg=COSD_L2TP_COS_NOT_SUPPORTED&sw=Junos%20OS&rel=25.2R1)
- [Junos OS 24.4R2](https://apps.juniper.net/syslog-explorer/?msg=COSD_L2TP_COS_NOT_SUPPORTED&sw=Junos%20OS&rel=24.4R2)
- [Junos OS 24.4R1](https://apps.juniper.net/syslog-explorer/?msg=COSD_L2TP_COS_NOT_SUPPORTED&sw=Junos%20OS&rel=24.4R1)
- [Junos OS 24.2R2](https://apps.juniper.net/syslog-explorer/?msg=COSD_L2TP_COS_NOT_SUPPORTED&sw=Junos%20OS&rel=24.2R2)
- [Junos OS 24.2R1](https://apps.juniper.net/syslog-explorer/?msg=COSD_L2TP_COS_NOT_SUPPORTED&sw=Junos%20OS&rel=24.2R1)
- [Junos OS 23.4R2](https://apps.juniper.net/syslog-explorer/?msg=COSD_L2TP_COS_NOT_SUPPORTED&sw=Junos%20OS&rel=23.4R2)
- [Junos OS 23.4R1](https://apps.juniper.net/syslog-explorer/?msg=COSD_L2TP_COS_NOT_SUPPORTED&sw=Junos%20OS&rel=23.4R1)
- [Junos OS 23.2R2](https://apps.juniper.net/syslog-explorer/?msg=COSD_L2TP_COS_NOT_SUPPORTED&sw=Junos%20OS&rel=23.2R2)
- [Junos OS 23.2R1](https://apps.juniper.net/syslog-explorer/?msg=COSD_L2TP_COS_NOT_SUPPORTED&sw=Junos%20OS&rel=23.2R1)
- [Junos OS 22.4R3](https://apps.juniper.net/syslog-explorer/?msg=COSD_L2TP_COS_NOT_SUPPORTED&sw=Junos%20OS&rel=22.4R3)
- [Junos OS 22.4R2](https://apps.juniper.net/syslog-explorer/?msg=COSD_L2TP_COS_NOT_SUPPORTED&sw=Junos%20OS&rel=22.4R2)
- [Junos OS 22.4R1](https://apps.juniper.net/syslog-explorer/?msg=COSD_L2TP_COS_NOT_SUPPORTED&sw=Junos%20OS&rel=22.4R1)
- [Junos OS 22.2R3](https://apps.juniper.net/syslog-explorer/?msg=COSD_L2TP_COS_NOT_SUPPORTED&sw=Junos%20OS&rel=22.2R3)
- [Junos OS 22.2R2](https://apps.juniper.net/syslog-explorer/?msg=COSD_L2TP_COS_NOT_SUPPORTED&sw=Junos%20OS&rel=22.2R2)
- [Junos OS 22.2R1](https://apps.juniper.net/syslog-explorer/?msg=COSD_L2TP_COS_NOT_SUPPORTED&sw=Junos%20OS&rel=22.2R1)