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

## SYSLOG Details
- **Message**: ECN WRED met <variable>&lt;source-address</variable>, <variable>source-port</variable> => <variable>destination-address</variable>, <variable>destination-port</variable>; <variable>protocol-name</variable>, outgoing IIF :<variable>interface-name</variable>, ect-bit:<variable>ect-bit</variable>, wred-met:<variable>wred-met</variable>>
- **Help**: Explicit Congestion Notification: Congestion is experienced by CPE
- **Description**: The customer premises equipment (CPE) has experienced congestion.
- **Type**: Event: This message reports an event, not an error
- **Severity**: unknown
- **Cause**: -
- **Action**: -
- **Attributes**: source-address
source-port
destination-address
destination-port
protocol-name
interface-name
ect-bit
wred-met
- **Facility**: LOG_USER

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