Bug ID 1933589: Unable to capture tcpdump packets if the mgmt interfaces are aggregated

Last Modified: Jul 10, 2026

Affected Product(s):
F5OS F5OS-C(all modules)

Known Affected Versions:
F5OS-C 2.0.0

Opened: Apr 30, 2025

Severity: 2-Critical

Symptoms

Tcpdump on the management port will not be executed if the management ports are part of a LAG (Link Aggregation Group). Logs report 'mgmt port in lagError': # system diagnostics net-utils tcpdump tcpdump: unsupported configuration: mgmt port in lagError: application error

Impact

Fail to running tcpdump on management port on F5OS-C if management ports are in lags.

Conditions

-- Running tcpdump on the management port -- The management ports are in lags.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips