Bug ID 1943217: BGP - using 'no bgp default ipv4-unicast' might lead to a crash

Last Modified: Jul 11, 2025

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

Known Affected Versions:
17.5.0, 17.5.1

Opened: May 16, 2025

Severity: 2-Critical

Symptoms

Using 'no bgp default ipv4-unicast' might lead to a crash when saving a configuration.

Impact

Bgpd crash/core.

Conditions

'no bgp default ipv4-unicast' configured.

Workaround

Do not use 'no bgp default ipv4-unicast' configuration statement.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips