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

## SYSLOG Details
- **Message**: IS-IS L<variable>isis-level</variable> LSP checksum error, interface <variable>interface-name</variable>, LSP id <variable>lsp</variable>l, sequence <variable>sequence-number</variable>, checksum <variable>checksum</variable>, lifetime <variable>duration</variable>
- **Help**: IS-IS link-state packet failed checksum tests
- **Description**: The indicated IS-IS informational link-state PDU (LSP) failed an internal checksum validity test, implying that it was corrupted.
- **Type**: Error: An error occurred
- **Severity**: warning
- **Cause**: The packet was corrupted in transit between the neighboring IS-IS router and this router, or memory on one of the routers was corrupted.
- **Action**: None, unless a large number of these messages appear in the system log file. The corrupted LSP is silently discarded. For mor einformation, see KB19068.
- **Attributes**: isis-level
interface-name
lsp
sequence-number
checksum
duration
- **Facility**: LOG_DAEMON

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