# \#failover

**URL:** https://community.f5.com/tag/failover/381.md

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## [GTM Pool Members Gone After Maintenance? It's Probably This One Setting](https://community.f5.com/t/gtm-pool-members-gone-after-maintenance-its-probably-this-one-setting/77038)

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**Author:** [@VishnuG](https://community.f5.com/u/VishnuG)\
**Replies:** 1\
**Last updated:** [August 27, 2026, 10:09am UTC](https://community.f5.com/t/gtm-pool-members-gone-after-maintenance-its-probably-this-one-setting/77038 "2026-08-27T10:09:26Z")

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You finish a maintenance window, everything looks good on LTM, and then someone notices Wide IPs are resolving to fewer destinations than before. You check the GTM pools and the members are just… gone. The virtual server…

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## [Best Practise to Find Root Cause Analysis for F5 ASM](https://community.f5.com/t/best-practise-to-find-root-cause-analysis-for-f5-asm/76860)

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**Author:** [@zaid\_bhati](https://community.f5.com/u/zaid_bhati)\
**Replies:** 2\
**Last updated:** [February 4, 2026, 4:24pm UTC](https://community.f5.com/t/best-practise-to-find-root-cause-analysis-for-f5-asm/76860 "2026-02-04T16:24:16Z")

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Can anyone provide a resource to find root cause analysis for F5 ASM and F5 LTM? I am using Microsoft Azure VE

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## [Configuration Assistance: Configure Email Alerts for HA Failover Events and Device Offline](https://community.f5.com/t/configuration-assistance-configure-email-alerts-for-ha-failover-events-and-device-offline/76851)

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**Author:** [@zaid\_bhati](https://community.f5.com/u/zaid_bhati)\
**Replies:** 3\
**Last updated:** [January 27, 2026, 8:15am UTC](https://community.f5.com/t/configuration-assistance-configure-email-alerts-for-ha-failover-events-and-device-offline/76851 "2026-01-27T08:15:00Z")

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We have a BIG-IP VE High Availability Pair deployed in Microsoft Azure. We need to configure the BIG-IP to automatically send an email notification to our Operations teams immediately when a Failover event occurs(When t…

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## [failover issue between datacenters with GSLB](https://community.f5.com/t/failover-issue-between-datacenters-with-gslb/76358)

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**Author:** [@Brandon\_TN](https://community.f5.com/u/Brandon_TN)\
**Replies:** 8\
**Last updated:** [August 12, 2025, 3:18pm UTC](https://community.f5.com/t/failover-issue-between-datacenters-with-gslb/76358 "2025-08-12T15:18:08Z")

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Ok I have been looking for the best solution for an application requirement. I have an app that will be living in two datacenters. Each location has 4 servers running. What they want is the application to run 100% of …

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## [A device recently failover, but I don't know why.](https://community.f5.com/t/a-device-recently-failover-but-i-dont-know-why/75283)

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**Author:** [@xmzpfk123](https://community.f5.com/u/xmzpfk123)\
**Replies:** 4\
**Last updated:** [October 16, 2024, 12:55pm UTC](https://community.f5.com/t/a-device-recently-failover-but-i-dont-know-why/75283 "2024-10-16T12:55:26Z")

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Hi, I recently had a device failover, but I can’t find anything in the logs to indicate why. log Oct 11 09:13:11 dvice\_A notice tmm\[13231\]: 01340011:5: HA unit 1 state change: from 1 to 0. Oct 11 09:13:11 dvice\_A noti…

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## [Network failover - peer-offline](https://community.f5.com/t/network-failover-peer-offline/75106)

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**Author:** [@Sonador\_28\_1978](https://community.f5.com/u/Sonador_28_1978)\
**Replies:** 1\
**Last updated:** [September 17, 2024, 2:27pm UTC](https://community.f5.com/t/network-failover-peer-offline/75106 "2024-09-17T14:27:22Z")

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Hello, I think I’ll need advices or at least some opinions, here… On the cluster of F5 we manage, the secondary node passed master, one month ago. Besides, I see, in the GUI, the button “force failover” is greyzed. So I…

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## [Question the failover status of a device](https://community.f5.com/t/question-the-failover-status-of-a-device/74575)

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**Author:** [@xmzpfk123](https://community.f5.com/u/xmzpfk123)\
**Replies:** 1\
**Last updated:** [May 30, 2024, 4:26pm UTC](https://community.f5.com/t/question-the-failover-status-of-a-device/74575 "2024-05-30T16:26:15Z")

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hello. I am currently using my devices in active standby, but when I check the status with show sys failover cable in the device cli, it shows 0 for both devices. Has anyone experienced this phenomenon? Thanks.

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## [Force peer to standby using Ansible!?](https://community.f5.com/t/force-peer-to-standby-using-ansible/74536)

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**Author:** [@Greg\_Jewett](https://community.f5.com/u/Greg_Jewett)\
**Replies:** 1\
**Last updated:** [May 30, 2024, 3:59pm UTC](https://community.f5.com/t/force-peer-to-standby-using-ansible/74536 "2024-05-30T15:59:27Z")

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So, I have read over a number of articles found online regarding determining which nodes are active and attempt to perform the “force to standby” action, thus, in turn, causes the HA peer to become active. (Same as clic…

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## [How to force close TLS sessions in a failover scenario](https://community.f5.com/t/how-to-force-close-tls-sessions-in-a-failover-scenario/73561)

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**Author:** [@Jonathan\_c](https://community.f5.com/u/Jonathan_c)\
**Replies:** 5\
**Last updated:** [December 27, 2023, 2:20am UTC](https://community.f5.com/t/how-to-force-close-tls-sessions-in-a-failover-scenario/73561 "2023-12-27T02:20:31Z")

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Hi, We have an application behind Big-IP which doesn’t handle failovers well. The Big-IP keeps all TLS sessions consistent and open during failover but the application doesn’t support TLS resume for a session and this …

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## [VLAN Failsafe failover settings change on STANDBY device - affect ACTIVE device?](https://community.f5.com/t/vlan-failsafe-failover-settings-change-on-standby-device-affect-active-device/73409)

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**Author:** [@alayne786](https://community.f5.com/u/alayne786)\
**Replies:** 1\
**Last updated:** [November 4, 2023, 4:33am UTC](https://community.f5.com/t/vlan-failsafe-failover-settings-change-on-standby-device-affect-active-device/73409 "2023-11-04T04:33:59Z")

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we have two devices in an HA group but the failsave is VLAN and set to fail over on both devices. If I turn off VLAN failsafe on the standby device, does that affect the HA group or ACTIVE device?

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## [Poll members not stable after failover](https://community.f5.com/t/poll-members-not-stable-after-failover/72962)

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**Author:** [@mkyrc](https://community.f5.com/u/mkyrc)\
**Replies:** 2\
**Last updated:** [August 24, 2023, 9:20am UTC](https://community.f5.com/t/poll-members-not-stable-after-failover/72962 "2023-08-24T09:20:58Z")

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Hi, Our setup: - two vcmp guests in HA (viprion with two blades) - ~10 partitions - simple configuration with LTM, AFM. nodes directly connected to f5 device (f5 device is default gw for nodes). - sw 16.1.3.3, after…

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## [GTM - Topology load balancing failover when one pool is down](https://community.f5.com/t/gtm-topology-load-balancing-failover-when-one-pool-is-down/71159)

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**Author:** [@MH](https://community.f5.com/u/MH)\
**Replies:** 11\
**Last updated:** [December 12, 2022, 12:59pm UTC](https://community.f5.com/t/gtm-topology-load-balancing-failover-when-one-pool-is-down/71159 "2022-12-12T12:59:06Z")

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Hello All, I am looking for a solution to the problem that has been raised several times, but I do not find a confirmed solution. The situation I am in is described in the following post: GTM Topology across pools issue…

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## [BIG-IP VE VMWare Cluster HA triggering configuration](https://community.f5.com/t/big-ip-ve-vmware-cluster-ha-triggering-configuration/70496)

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**Author:** [@ASF](https://community.f5.com/u/ASF)\
**Replies:** 2\
**Last updated:** [September 16, 2022, 3:22am UTC](https://community.f5.com/t/big-ip-ve-vmware-cluster-ha-triggering-configuration/70496 "2022-09-16T03:22:39Z")

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Hi, this is my first step into BIG-IP VE deployments (always viprion so far). I have all my test clusters up & running in a VMWare environment: Active/Stanby using dedicated vNIC&VLAN. 4 vNIC per device, 2 cluster me…
