Bug ID 2201877: SCTP multihoming fails with ICMP unreachable for alternate paths.

Last Modified: Jan 15, 2026

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, 21.0.0

Opened: Jan 15, 2026

Severity: 3-Major

Symptoms

SCTP multihoming fails with ICMP protocol unreachable for alternate paths.

Impact

Unable to establish alternate path connection.

Conditions

- SCTP profile with multihoming and alternate addresses configured. - Alternate address is a self-ip configured on a system.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips