Bug ID 1991485: Re-adding a tunnel with the exact same name might result in tunnel ingress traffic getting dropped.

Last Modified: Jul 31, 2025

Affected Product(s):
BIG-IP TMOS(all modules)

Known Affected Versions:
17.5.0, 17.5.1

Opened: Jul 23, 2025

Severity: 1-Blocking

Symptoms

Re-adding a tunnel with the exact same name might result in tunnel ingress traffic getting dropped.

Impact

Tunnel might no longer pass traffic indicating 'Incoming Discard' drops.

Conditions

Deleting and re-adding a tunnel with exactly same name as the tunnel that was just deleted.

Workaround

Use a different name for the tunnel.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips