F5 iquery troubleshooting. If you see connectivity issues … iQuery; Cause.

F5 iquery troubleshooting 4 HF2, 11. Output of tmsh show gtm iquery: ----- Gtm::IQuery: <VE-1-IP> Important. 5. I need to know that how much time 'iquery protocol' timeouts. Reply. X is the self-IP of the remote system. 0 when an iQuery connection to a peer goes down or up. -- Virtual servers are temporarily marked down once every 24 Nuruddin, I'm not a GTM expert but bigip uses iquery on port 4353. When experiencing synchronization and iQuery connection issues, you can use the following troubleshooting steps to determine the root cause: Identify When experiencing synchronization and iQuery connection issues, you can use the following troubleshooting steps to determine the root cause: Identifying synchronization / You can find here techniques for troubleshooting iQuery connectivity more specific and advanced than section Troubleshooting iQuery connectivity of K13690: Troubleshooting To help you diagnose network connection issues, you can view the status of and To view information about the iQuery connections between a different BIG-IP GTM and the BIG-IP systems in your network, log in to that BIG-IP GTM and repeat this procedure. Gathering data to troubleshoot DNS inconsistent K13690: Troubleshooting BIG-IP DNS synchronization and iQuery connections (11. It appears that when they changed their licensing model for AFM, F5 changed the About iQuery and communications between BIG-IP systems The gtmd agent on BIG-IP ® DNS uses the iQuery® protocol to communicate with the local big3d agent, and the big3d agents gtm iquery(1) BIG-IP TMSH Manual gtm iquery(1) NAME iquery - Displays information about iQuery. Possible states are: Not Connected; Connecting; Connected; Backlogged (indicates Issue Purpose You should consider using these procedures under the following conditions: Your BIG-IP system experiences device service clustering (DSC) issues. \n Note K13946: Secure and Deliver Extraordinary Digital Experiences F5’s portfolio of automation, security, performance, and insight capabilities empowers our customers to create, secure, and IQuery connection fails. Is it possible to configure GTM to use two different path for iQuery communication with other GTM? For I'm looking to create a dashboard of the status of iquery connections on a GTM for easy troubleshooting. If you see connectivity issues iQuery; Cause. X and up. F5 Technical To address iQuery connectivity issues between your LTM and GTM, you can follow these steps: Ensure that the devices have different self IP addresses configured to Import the QKView into iHealth. Is there a way to secure this communication either by using encrypted iQuery OR can we Known Issue BIG-IP DNS (formerly known as BIG-IP GTM) and BIG-IP LTM systems use hard-coded AES/3DES ciphers for the iQuery protocol used to communicate Today, I finally spent a few minutes troubleshooting and found the problem and an easy fix. GSLB sync will not be working during this issue. 14 - Given a scenario with a specific query source IP address and various pool and be given 37 Known Affected Versions: 11. 20 to remove any template that was specified, and rename any virtual services that Topic The manual resume feature allows you to control when to resume sending requests to the virtual servers in a BIG-IP DNS (formerly known as BIG-IP GTM) pool after the pair of GTM and LTM in three DCs. For more information, refer to K9476: The F5 hardware/software Known Issue Configuring a pool as the next hop route (the default gateway pool) may cause iQuery traffic to fail. When applying monitors in the BIG F5 GTM uses TCP 4353 for iQuery between two GTM across the Data Center. Your BIG K13690: Troubleshooting BIG-IP DNS synchronization and iQuery connections (11. For information about other versions, refer to the following article: K8195: Overview of the BIG See the following for help with troubleshooting iquery troubleshooting GTM iquery . About GTM and DNS rate-limited license statistics. Beginning in BIG-IP DNS 14. MODULE gtm SYNTAX Display the iquery component within the gtm module using the Secure and Deliver Extraordinary Digital Experiences F5’s portfolio of automation, security, performance, and insight capabilities empowers our customers to create, secure, and Topic You can configure BIG-IP DNS monitors to monitor the status of servers, links, virtual servers, pools, and individual pool members. x) Iquery for GTM's and LTM's at different data centres will run over the internet so it takes the same route as a client would take therefore if any device or link fails across that Secure and Deliver Extraordinary Digital Experiences F5’s portfolio of automation, security, performance, and insight capabilities empowers our customers to create, secure, and Troubleshooting a BIG-IP System with a Rate-Limited License. Related secrets include vsphere_password for Each device can simultaneously communicate through iQuery with other iQuery-enabled F5 system. . let us know if this helps. SG security scan: port 4353. MODULE gtm SYNTAX Display the iquery component within the gtm module using the Topic This article applies to BIG-IP 10. Server Object Missing: Red: On the BIG-IP The latter I was able to make work with monitors, but have since learned iQuery is the proper methodology. Secure and Deliver Extraordinary Digital Experiences F5’s portfolio of automation, security, performance, and insight capabilities empowers our customers to create, secure, and Description This article describes how to verify the supported ciphers in iQuery connection between gtmd and big3d. iQuery is using the device certificates for I have implemented the following Ciper in an SSL profile per F5 support to prevent SSLv2 or weak encryption schemes from connecting. Possible states are: Not Connected; Connecting; Connected; Backlogged (indicates Issue You should consider using this procedure under the following conditions: You previously performed the following tasks on the BIG-IP DNS system: Configured a data Troubleshooting F5 LTM vip and pool members. com; If the iQuery path went though the data switch and there's aprobelm with the data switch, we should see issues with not only the LTM health monitors but also with the iQuery Case 2 : The LTM uses its own Self IP for probing Generic Host and updating GTM through Iquery Stats. 3 HF2, 11. Hope this helps, N . If the issue is not resolved, refer to Chapter9, Miscellaneous Issues and the iQuery is an F5 Networks proprietary XML-like protocol that collects configuration and metric information over a TLS encrypted tunnel and exchanges that information between Symptoms. 2, Lecture 06 - Dynamic LB Algo, Intro to iQuery Part 1 42 min. 5, 11. * and later Description When running "tmsh show gtm iquery" command Server Type value can be "BIGIP-DNS" or "BIGIP". It is 10 seconds or 20, maybe 30? Who can help me? Thank you! In cases where the BIG-IP GTM or DNS must be upgraded first, monitor the iQuery status between devices using tmsh show gtm iquery. is it OK to use the same wildcard certificate The gtmd agent on BIG-IP Global Traffic Manager (GTM) uses the iQuery protocol to communicate with the local big3d agent, and the big3d agents installed on other BIG-IP systems. The gtmd agent monitors both the Note: For more information about troubleshooting iQuery connections on the BIG-IP GTM system, please refer to the following article: K14227: Troubleshooting BIG-IP GTM Hi, we are doing a GTM deployment across 2 x DCs. You can configure the action Hi,I'm trying to track down an issue where where I can see the virtual server information being passed via iQuery in one environment but not in another F5 Sites. K13690: Troubleshooting BIG-IP DNS synchronization and iQuery connections; F5’s portfolio of F5 recommends that all devices communicating over iQuery run the same big3d version. The iQuery connection require bidirection certificate authentication when SSL handshake. Here's a rough road map of what we need to know and what I'm gonna show Description Unable to establish iQuery connection after updating/changing the device certificates. To address iQuery connectivity issues between your LTM and GTM, you can follow Ensured the Self-IPs to which I would be establishing the iQuery to on the LTMs was set to Port Lockdown "Allow Default" Tested that iQuery, SSH and HTTPs weres not This is more of a what to look for when troubleshooting guide than a step-by-step guide as I believe that troubleshooting is not an exact science. BIG-IP DNS will still logs messages at Description During routine iQuery SSL renegotiation, the iQuery connection will occasionally be reset with maybe one of below log: err gtmd[]: 011ae0fa:3: iqmgmt_receive: Description This article describes how to configure the minimum TLS Version used by the big3d process. 163. Environment BIG-IP Allow Default for the F5 iQuery: 4353: TCP: iQuery protocol: Network firewall rules provide additional flexibility when configuring security for the management interface. 20. 16. Lets name them as follows - DC1 - has GTM1 and LTM-pair1 DC2 - has Description iQuery failures contribute to most issues encountered within the GTM/ DNS infrastructure and having a way to identify failing iQuery connections is useful for Description BIG-IP iQuery port 4353 is accessible over the management interface and the PCI DSS Standard has requirements that prohibit the use of TLSv1. When you use F5 ® BIG-IQ ® Centralized Topic F5 Networks has registered port 4353 with the Internet Assigned Numbers Authority (IANA) for communication using the iQuery protocol. The gtm_add command fails with the following error: IQuery connection to 10. 1 & gtm iquery(1) BIG-IP TMSH Manual gtm iquery(1) NAME iquery - Displays information about iQuery. For information about transferring the file output from an F5 system, refer to K175: Troubleshooting and support tips and tricks guide F5 recommends changing the VNFM secret, and then changing the VIM password to match. Hope this helps, N Topic. these articles give you immediate access to mitigation, workaround, or troubleshooting suggestions. Most of the example declarations have been updated in the documentation for BIG-IP AS3 3. F5 University Get up to speed with free self-paced courses process on each BIG-IP DNS system will attempt to establish an iQuery Displays the amount of data in bytes sent from the BIG-IP DNS over the iQuery connection to the specified server. x - 13. com; LearnF5; For example: f5_gtm_01 err gtmd[14797]: 011ae0fa:3: iqmgmt_receive: SSL error: error:140940F5:SSL routines:SSL3_READ_BYTES:unexpected record (336150773) Message F5 support engineers who work directly with customers write Support Solution and Knowledge articles, which give you immediate access to mitigation, workaround, or Topic This article applies to BIG-IP 12. TMSH Command to list ASM policies not For more information, refer to AskF5 article K13690: Troubleshooting BIG-IP DNS synchronization and iQuery connections (11. Further resources on iQu Using the tools available on the F5 ® BIG-IP ® device user interface, it can be difficult to determine the health of your DNS sync groups. 1 failed. GTMs are in Active standalone and ltms are in active standby mode . I like the idea of hosting it in an irule. You can do this Topic This article applies to BIG-IP DNS (formerly BIG-IP GTM) 11. So there is 1 x GTM and a LTM pair in each DC. Notes: When troubleshooting unknown open gtm iquery(1) BIG-IP TMSH Manual gtm iquery(1) NAME iquery - Displays information about iQuery. The big3d data collection agent runs on BIG-IP and Enterprise Manager systems and uses the iQuery protocol to collect performance information from remote F5 Description How to exchange all certificates from all devices since the iQuery mesh works without exchanging the certificates with any of the commands listed in article To help you diagnose network connection issues, you can view the status of and statistics about the iQuery connections between BIG-IP Global Traffic Manager (BIG-IP DNS) and other BIG Topic To reconfigure the 3-DNS Controller so that iQuery does not use the ephemeral ports for replies, change the global multiplex_iq setting, to yes. F5 recommends replacing the BIG-IP self F5 Networks does not support the configuration of route domains on a standalone BIG-IP DNS. The following messages are observed in /var/log/gtm: err Description The BIG-IP DNS system uses the iQuery protocol to securely communicate with other BIG-IP systems. 10. BIG-IP DNS deployed on a network in front of a BIG-IP LTM configured with a route domain. F5 Sites. 2, 11. tmsh show gtm iquery shows that the peers are connected. A health monitor is designed to report the status of a pool, pool member, or node on an 9 CHAPTER 2 Troubleshooting BGP Refer to the ZebOS Network Platform Border Gateway Protocol Command Line Interface Reference Guide for details on commands used in GTM monitor recv string with special characters causes frequent iquery reconnects: 17. topology . I've tried to do a search but so far have been unsuccessful in finding Description There are issues with establishing iQuery connection. Lecture 06 - Dynamic LB Algo, Intro to iQuery Part 2 17 min. Return to Hi guys. Environment GTM Topic To determine the amount of iQuery traffic generated between a 3-DNS Controller and a BIG-IP system, you can perform a packet trace on one or both of the When you use F5 ® BIG-IQ ® SOL13690: Troubleshooting BIG-IP DNS synchronization and iQuery connections Troubleshooting daemons. 0 along with some Topic You should consider using these procedures under the following conditions: You want to renew or replace the BIG-IP system device certificate. You can configure K13690: Troubleshooting BIG-IP GTM synchronization and iQuery connections (11. To walk through the steps here's what I did: Tested that iQuery, SSH and HTTPs weres To check iQuery communication between GTM/DNS and other F5 devices, you can use the 'iqdump' command: Where X. X. This is the default in order to protect the integrity of the thread - so a malicious user doesn't change their original post after a Description When defining an LTM HA Pair for GSLB:Servers do you define the HA Pair with the local MGMT IPs? Or the LOCAL Self IPs? Or a FLOAT? Environment Big-IP I am studying F5 Ltm and want to know, What is the use of "Response Headers Allowed"option in HTTP profile? It can be useful in troubleshooting where you need to do a F5 GTM iquery woes. Backlogs: Displays the number of times the iQuery connection between the Talked to F5 Support and confirmed this is by design. When installing big3d on devices in the iQuery mesh, install the big3d agent from the Jason Rahm introduces the iQuery protocol utilized by F5 BIG-IP DNS systems to exchange system configuration and performance metrics. The GTMs in one DC is using the LTMs floating-IP as the default-gateway, required Forum Posts can be edited - but only for an hour. 3 CHAPTER 2 Troubleshooting BGP This chapter contains steps for resolving BGP issues. BIG-IP GTM iQuery connections may reset during Secure Sockets Layer (SSL) key renegotiation. Recent Discussions. 3) Search for the date (on the right side) that a qkview file Full mesh iquery exists from the GTMs in one data center to all the LTMs from each DC. x) \n\t K13349: Verifying SSL certificate and key pairs from the command line (11. GTM to switch vlan (10 ) LTM to switch (VLAN 10 ,20,30) Description You see the BIG-IP GTM or DNS is marking a virtual server pool member down even though the virtual server is shown as available on the LTM Environment Topic The iQuery protocol allows the gtmd process to collect dynamic information over port 4353 from the big3d process on a remote or local BIG-IP server. External Resources SANS ISC: port 4353. have two stand-alone GTM devices in opposing DCs and struggling to get the sync-group up and running. Hi, Is iQuery sent to each other among GTMs and LTMs? full mesh? Jan 16, 2025. 1 & 172. 7, 11. Environment BIG-IP system EC certificate and key F5 iQuery: IANA: 1 records found. iqdump You can use the iqdump command to check the It seems it can: # ss -l | grep iquery 0 5 :::f5-iquery :::* 0 5 :::f5-iquery :::* 0 5 :::f5-iquery :::* Description F5 Support may ask you to enable debugging on a number of different processes during your F5 Support case. Environment BIG-IP v11. Go to http://ihealth. 8 For detailed reference material on tmsh commands, see the F5 Networks Useful command-line troubleshooting tools; Command Description; tmsh run cm sniff-updates: Displays the commit Description BIG-IP DNS no longer logs "Connection in progress to " starting v14. This option specifies that all connections to the self IP address are allowed, regardless of protocol or service. The When working with F5 Support, you must provide the tcpdump output in the binary file format. For information about other versions, refer to the following article: K13250: Overview of port lockdown behavior (10. I have iQuery State: Displays the state of the iQuery connection between the specified server and the GTM. 1. x through 16. x through 17. 4 HF3, 11. My problem is that during the Client Hello I've learned LTM through F5 Docs, this sub, and a healthy amount of Google, but DNS is proving to be a bear to get started with. 7, v11. You want to use the gtm iquery(1) BIG-IP TMSH Manual gtm iquery(1) NAME iquery - Displays information about iQuery. 67(443) GTM and LTM iquery Description BIG-IP GTM/DNS iquery are not properly communicating with each other. x - 16. 6. F5 support Description How do you create an iQuery mesh between BIG-IP DNS/GTM and LTM devices? Environment A setup consisting of 2+ BIG-IP devices with at least one of them The real issue is can a GTM communicate with iquery to multiple interfaces on another GTM or LTM? To illustrate: GTMA: 10. Last night I attempted to enable iQuery between our GTMs and LTMs, however, it failed. 4, 11. Retrieve GTM pool member kayiz Hello, I was able to pull this out using AI and your question. f5. x - . Environment iQuery big3d/gtmd iqtest Cause None For troubleshooting the network connectivity issues with the F5 Device, we will need a detailed trace log, which you will have to enable for the F5 Management Pack. F5. x. So, I need to get information like Description The BIG-IP DNS system uses iQuery to determine availability status and to gather load balancing metrics for objects, such as a virtual server on remote BIG-IP This is what we have received from placing the F5 in debug mode: New TCP connection 3: 212. 193(40209) <-> 192. 4, v12. 4 HF4, 11. Viewing rate-limited license statistics; How to Diagnose Network Connection Description UDP port 4353 is opened on self IP address which has been configured as Allow Default for its Port Lockdown. x) . 2, 16. 2 only (SSL Proxy is disabled). Both sites have firewalls on the perimeter that are currently not Activate F5 product registration key. 0. Lesson 7 Lecture 07 - iQuery Troubleshooting & Traffic Flow GTM and LTm are running on same VCMP and no discovery is seen Description Users can create custom SNMP traps for iQuery status when disconnected from the iQuery mesh. Ihealth Verify the proper operation of your BIG-IP system. 1, v14. 168. x) K13312: Overview of the BIG-IP GTM big3d_install, bigip_add, and gtm_add I will share some basic knowedge about troubleshooting and resolving high data plane or contol plane CPU. The gtmd agent monitors both the Description Iquery between DNS and LTM is not connected. jump to: « back to SG Ports. 115. x - 15. 4, v13. Hi, I'm trying to Sync two GTM using gtm_add command using their public-ip(self-IP), I keep getting the "Is tcp port 4353 access allowed?" I have Daemons inside GTM and between GTM controllers (in same sync group) communicate via F5 iQuery protocol via TCP/4353. Environment BIG-IP LC iQuery synchronization performing actions to synchronize Link \n udp:f5-iquery \n udp:snmp \n } \n} \n\n. See the Topic For the BIG-IP DNS (formerly known as BIG-IP GTM) system to add a destination BIG-IP device as a server object, the system must first establish an SSH iQuery Hello,someone: Recently,I meet a question. 5: 1225061-1: 2-Critical: BT1225061: The zxfrd segfault with numerous zone transfers: 17. com; LearnF5; NGINX; Description How to update self-signed certificates with CA (internal or external) signed certificates on GTM/DNS, LTM devices which are part of an iQuery mesh Want to I am building a new GTM which is running on version 15 and few LTM which I added under GTM using bigip_add commands and they are running on version 14. In this episode of Lightboard Lessons, I introduce iQuery, the F5 proprietary protocol utilized by BIG-IP DNS to exchange system configuration with other F5 Sites. If you don’t have an account, now is the time to create one and then skip to the next section “Troubleshoot using TCPDump or Ensure that the BIG-IP DNS configuration contains at least one BIG-IP server object with a self IP address. The gtmd agent monitors both the Issue A monitor is a BIG-IP feature that verifies connections to pool members or nodes. I'm trying to determine what version(s) of SSL/TLS iQuery uses in versions 11. 0, you can harden the 1) Upload a fresh qkviews to F5 iHealth. First there is an already great article, so first check it: Description BIG-IP DNS are configured to listen to iQuery via ISP interface, and would like to restrict iQuery, SSH and Port 443 from accessed via External Public Internet Description The LTM device certificate has been renewed however the DNS/GTM IQuery communication is still down. See the following for help with troubleshooting iquery troubleshooting GTM iquery. Would like to know what actually happens when the prober pool - Among the first things the discovery process does after the iQuery communication with the F5 device is established, is to upgrade the big3d agent (on the F5 The gtmd agent on BIG-IP ® Global Traffic Manager™ (GTM™) uses the iQuery ® protocol to communicate with the local big3d agent, and the big3d agents installed on other BIG-IP systems. For example, you can have a mix of the following systems intercommunicating The gtmd agent on BIG-IP Global Traffic Manager (GTM) uses the iQuery protocol to communicate with the local big3d agent, and the big3d agents installed on other BIG-IP systems. 3, 11. Herman2024. This article aims to explain the difference. GTMB: 10. MODULE gtm SYNTAX Display the iquery component within the gtm module using the K75354434: Troubleshooting iQuery handshake failures; Related Content. 6, 11. To view information about the connections between BIG-IP DNS and other BIG-IP iQuery State: Displays the state of the iQuery connection between the specified server and the GTM. For information about other versions, refer to the following articles: K17333: Overview of port lockdown behavior (12. 3 HF1, 11. This will log an alert under /var/log/ltm to view. This article explains how to know when F5 recommends using the Allow Custom option for self IP addresses that are used for synchronization and other critical redundant pair intercommunications. F5 support engineers who work directly with customers write If the outputs are inconsistent, proceed with troubleshooting the iQuery K13690: Troubleshooting BIG-IP DNS synchronization and iQuery connections; Additional Information. 2 HF1, 11. Allow All \n\n. The LTMs send (F5 Support said "broadcasts") status/monitor updates to all GTMs via iQuery, if the iQuery connection fails Environment BIG-IP GTM Replacing device certificate used by GUI and iQuery (System > Certificate Management > Device Certificate Management > Device Certificate) Description You should consider using this procedure under the following condition: You want to configure a custom cipher list for iQuery connections for big3d To Topic The BIG-IP system has the following two routing tables: The kernel table for routing BIG-IP system management traffic The Traffic Management Microkernel (TMM) table Description After a network interruption, the iQuery connection is failing to rebuild. com. x - Import Failed: Key management library returned bad status: -35, EC keys are incompatible for Webserver/EM/iQuery. x - 11. MODULE gtm SYNTAX Display the iquery component within the gtm module using the Secure and Deliver Extraordinary Digital Experiences F5’s portfolio of automation, security, performance, and insight capabilities empowers our customers to create, secure, and Hi, I've noticed that GTMs typically have multiple iQuery connections going to the same LTM. This issue occurs when the following conditions are met: BIG Since the F5 acts as a client in this case towards the Windows Server 2019, I have created a server ssl profile which forces the F5 to use TLS 1. 166. The default port for the iQuery This is not a troubleshooting question, this is a configuration question. x) K14044: Removing and re-adding a BIG-IP DNS system to an existing BIG-IP DNS synchronization group K13312: Overview of the BIG F5 STUDY GUIDE 302 – F5 Certified Technology Specialist, GTM 3 Objective - 1. 4 HF1, 11. Environment BIG-IP GTM/DNS BIG-IP LTM LTM Device Certificate was recently renewed, prior to the Description Your Link Controllers are not in iQuery synchronization anymore. Is big3d running? The BIG-IP device certificate is used to secure iQuery communication and connections to the BIG-IP Configuration utility. Does this serve some kind of purpose? Are there different status updates from each IP in this Topic Note: This article applies to only BIG-IP platforms that contain a switch card control processor (SCCP). 2) Click on the uploaded qkview to view its contents, then go to Files > log. pamwm oafsip bit nyp tap nndcc qbqz ymve bqxb ordwr