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

## SYSLOG Details
- **Message**: Backup for protecting LSP <variable>lsp-name</variable> down, using bypass <variable>bypass-lsp-name</variable><variable>reason</variable>
- **Help**: Backup LSP failed
- **Description**: When link protection is enabled, a backup label-switched path (LSP) is needed to maintain a protected LSP's control-plane connectivity when topology failures are detected. The backup LSP for the indicated protected LSP failed. The failure can cause traffic loss because the protected LSP tears down when there is no backup. If the reason for the backup failure can be determined, it is reported in the message.
- **Type**: Event: This message reports an event, not an error
- **Severity**: warning
- **Cause**: -
- **Action**: -
- **Attributes**: lsp-name
bypass-lsp-name
reason
- **Facility**: LOG_DAEMON

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