Last Modified: Apr 28, 2025
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
12.1.2, 12.1.2 HF1, 12.1.2 HF2, 12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.3, 12.1.3.4, 12.1.3.5, 12.1.3.6, 12.1.3.7, 12.1.4, 12.1.4.1, 12.1.5, 12.1.5.1, 12.1.5.2, 12.1.5.3, 12.1.6, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1
Fixed In:
13.1.0
Opened: Jun 21, 2017 Severity: 3-Major
FastL4/IP forwarding virtual server configured to preserve TTL on forwarding, drops ingress packets with a TTL of 1.
Packets are dropped.
- FastL4 IP forwarding virtual server with a ip-ttl-mode configured to 'preserve'. - Packets with TTL of 1.
Change TTL mode on the FastL4 profile.
The BIG-IP system no longer drops packers with TTL of 1 when configured with TTL mode of 'preserve'.