Bug ID 2152257: [BGP] remove-private-AS does not work with extended ASN numbers

Last Modified: Nov 25, 2025

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

Known Affected Versions:
17.1.0, 17.1.0.1, 17.1.0.2, 17.1.0.3, 17.1.1, 17.1.1.1, 17.1.1.2, 17.1.1.3, 17.1.1.4, 17.1.2, 17.1.2.1, 17.1.2.2, 17.1.3, 17.5.0, 17.5.1, 17.5.1.2, 17.5.1.3

Opened: Nov 14, 2025

Severity: 3-Major

Symptoms

Remove-private-AS does not work with extended (4-byte) ASN numbers

Impact

Private AS numbers are not removed.

Conditions

Remove-private-AS used in peer configuration.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips