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

## SYSLOG Details
- **Message**: Interface <variable>interface-name</variable> received response '<variable>operation</variable>' with CHAP ID <variable>message-id</variable>, but was still authenticating previous response
- **Help**: pppd received overlapping CHAP response
- **Description**: The Point-to-Point Protocol process (pppd) received another Challenge Handshake Authentication Protocol (CHAP) response from a peer while authenticating a previous CHAP response sent by that peer. The peer is resending CHAP responses faster than the pppd process can process them.
- **Type**: Error: An error occurred
- **Severity**: error
- **Cause**: -
- **Action**: -
- **Attributes**: interface-name
operation
message-id
- **Facility**: LOG_AUTH

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