Bug ID 783077: IPv6 host defined via static route unreachable after BIG-IP reboot

Last Modified: Jun 13, 2024

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

Known Affected Versions:
15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4, 15.1.0.5, 15.1.1, 15.1.2, 15.1.2.1, 15.1.3, 15.1.3.1, 15.1.4, 15.1.4.1, 15.1.5, 15.1.5.1, 15.1.6, 15.1.6.1, 15.1.7, 15.1.8, 15.1.8.1, 15.1.8.2, 15.1.9, 15.1.9.1, 15.1.10, 15.1.10.2, 15.1.10.3, 15.1.10.4, 16.1.0, 16.1.1, 16.1.2, 16.1.2.1, 16.1.2.2, 16.1.3, 16.1.3.1, 16.1.3.2, 16.1.3.3, 16.1.3.4, 16.1.3.5, 16.1.4, 16.1.4.1, 16.1.4.2, 16.1.4.3, 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

Opened: May 17, 2019

Severity: 3-Major

Symptoms

Static route unreachable after BIG-IP system reboot.

Impact

Static route exists in both kernel and LTM routing table but unable to ping the route after rebooting the BIG-IP system.

Conditions

-- Add a static route. -- Issue a ping (works fine). -- Reboot the BIG-IP system. -- Issue a ping (cannot pint the route).

Workaround

Workaround-1: Delete the IPv6 route entry and recreate the route by issuing the following commands in sequence: tmsh delete net route IPv6 tmsh create net route IPv6 network 2a05:d01c:959:8408::b/128 gw fe80::250:56ff:fe86:2065 interface internal Workaround-2: net route /Common/IPv6 { gw fe80::456:54ff:fea1:ee02 <-- Change this address to unicast address from 2a05:d01c:959:8409::/64 network interface /Common/Internal mtu 1500 network 2a05:d01c:959:8408::b/128 }

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips