Devices are not synchronizing configuration to each other

Krystian_Baniak
Altocumulus
Apr 09, 2019
I have also run into this caveat. I am running 13.1.1.4 on VMware Workstation 15 on Fedora 29 Linux kernel 5.0.4

Thanks to the help of F5 FSE, I have managed to resolve it by adding the following DB variables on each VM on WMware Workstation 15.x:

tmsh modify /sys db tm.tcplargereceiveoffload value disable

tmsh modify /sys db tm.tcpsegmentationoffload value disable

It appears that WMware loses packets when offload is enabled.
- loi
  Nimbostratus
  Apr 23, 2020
  Thank you so much Krysitan Baniak, i've tried to run 2 above commands on each VM, it worked.
- Enu_Monu
  Nimbostratus
  Jul 27, 2020
  Thanks a lot, Krystian. I have had the same issue for my VMware 12.5 lab with BIG-IP 13.1.1.4 version. The above command fixed the sync issue.
- Rahul_Yadav
  Cirrus
  May 07, 2021
  Thanks it worked
K1974_98730
Nimbostratus
May 17, 2018
Hello DNTDS,

Not at all... I´ve removed all the configuration from the VMs, installed again, licensed again and it didn´t work as well. I also tried to use 13.1.0.6 which is not working either. It´s very strange as 13.1.0.5 was working before.

The status in VEs keep on changing from "changes pending" to "awaiting initial config" and so on, other day the traffic-group-1 was have no devices on it...

Not sure what is happening... that´s sad!
DNDTS_361701
Nimbostratus
May 18, 2018
Have you tried another older version? I tried version 13.0.0.0.0.1645 and it worked.
K1974_98730
Nimbostratus
May 21, 2018
Hi DNDTS,

Sorry for the late response. I was planning to try another version but I wasn´t sure sure in which version to pick up. I´ve installed 13.0.0.3.0.1679 which has worked fine. I´ve just spent some precious time looking for na issue that doesn´t even exist.

Thanks for the advice.

Best Regards
wsanders_233261
Nimbostratus
Jun 27, 2018
Looks like bug 658716 as reported in 13.1.X release notes (https://support.f5.com/kb/en-us/products/big-ip_ltm/releasenotes/related/relnote-supplement-bigip-13-1-0-4.html)

We are having similar problems with 13.1.0.5 in a production system. Support said this bug was actually introduced in 13.0, so we had to downgrade to 12.X, which was a huge PITA because the config files are not downstream-portable.

Jun 27 14:05:27 ext-lb02 warning mcpd[27298]: 01071aea:4: CMI heartbeat timer expired, status: 10.10.16.1

Followed by HA disconnecting and daemons restarting, etc.

This is happening on only one of two pairs of HA vCMP guests. We're leaving the other pair of guests and the hypervisor alone for now.
computerli
Altostratus
Aug 08, 2018
Issue persist as of Version BIGIP-13.1.1-0.0.4