Bug ID 637181: VIP-on-VIP traffic may stall after routing updates

Last Modified: May 29, 2024

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

Known Affected Versions:
11.6.0, 11.6.1, 12.0.0, 12.0.0 HF1, 12.1.0 HF1, 12.0.0 HF2, 12.1.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.1 HF1, 12.1.1 HF2, 13.0.0

Fixed In:
13.1.0, 13.0.0 HF1, 12.1.2 HF1, 11.6.2, 11.5.4 HF3

Opened: Jan 06, 2017

Severity: 2-Critical

Related Article: K41709228


After a routing update traffic for an existing connection sent to a VIP-on-VIP virtual server may be sent directly to the destination address instead of to the inner virtual server.


Existing connections to the outer VIP may stall.


VIP-on-VIP configuration and static or dynamic routing changes.



Fix Information

Connections to VIP-on-VIP virtual servers no longer stall after routing updates.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips