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

## SYSLOG Details
- **Message**: AppTrack volume update: <variable>source-address</variable>/<variable>source-port</variable>-><variable>destination-address</variable>/<variable>destination-port</variable> <variable>service-name</variable> <variable>application</variable> <variable>nested-application</variable> <variable>nat-source-address</variable>/<variable>nat-source-port</variable>-><variable>nat-destination-address</variable>/<variable>nat-destination-port</variable> <variable>src-nat-rule-name</variable> <variable>dst-nat-rule-name</variable> <variable>protocol-id</variable> <variable>policy-name</variable> <variable>source-zone-name</variable> <variable>destination-zone-name</variable> <variable>session-id</variable> <variable>packets-from-client</variable>(<variable>bytes-from-client</variable>) <variable>packets-from-server</variable>(<variable>bytes-from-server</variable>) <variable>elapsed-time</variable> <variable>username</variable> <variable>roles</variable> <variable>encrypted</variable> <variable>destination-interface-name</variable> <variable>category</variable> <variable>sub-category</variable> <variable>src-vrf-grp</variable> <variable>dst-vrf-grp</variable> <variable>dscp-value</variable> <variable>apbr-rule-type</variable>
- **Help**: Application tracking update
- **Description**: Apptrack, an application tracking tool, sent periodic updates on the volume (byte and packet count) for the session that it is monitoring. The update interval is determined by the configuration.
- **Type**: Event: This message reports an event, not an error
- **Severity**: unknown
- **Cause**: -
- **Action**: -
- **Attributes**: source-address
source-port
destination-address
destination-port
service-name
application
nested-application
nat-source-address
nat-source-port
nat-destination-address
nat-destination-port
src-nat-rule-name
dst-nat-rule-name
protocol-id
policy-name
source-zone-name
destination-zone-name
session-id
packets-from-client
bytes-from-client
packets-from-server
bytes-from-server
elapsed-time
username
roles
encrypted
destination-interface-name
category
sub-category
src-vrf-grp
dst-vrf-grp
dscp-value
apbr-rule-type
- **Facility**: ANY

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