Technical Forum
Ask questions. Discover Answers.
cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Knowledge sharing: F5 Software Upgrade/RMA process

Here is quick summary about things should be checked before an F5 upgrade. This is the general F5 support article with clips and there is nice info for VIPRION and VCMP systems: https://support.f5.com/csp/article/K41125752https://support.f5.com/csp/a...

iControlSnapIn (PowerShell) Create WideIP without AAAA record

I am using PowerShell and the iControlSnapIn for "GTM Wide IP (Create)" command ((Get-F5.iControl).GlobalLBWideIP.create()). An example is in this post.When the Wide IP command completes (I'm using load balancing method "LB_METHOD_GLOBAL_AVAILABILITY...

fredh by Nimbostratus
  • 1 Views
  • 0 replies
  • 0 kudos

Knowledge sharing: F5 Software Upgrade/RMA process

Here is quick summary about things should be checked before an F5 upgrade. This is the general F5 support article with clips and there is nice info for VIPRION and VCMP systems: https://support.f5.com/csp/article/K41125752https://support.f5.com/csp/a...

Redirect all url to another cluster openshift

Currently we have 2 clusters, 1 active and 1 passive, and we configure a url for the user to enter without having to change anything and in case of having to redirect the traffic, it is transparent for the user.This is our configuration.Users enter t...

F5 DNS cname

Hello,I'm new to F5 DNS module and need help,I have F5 with DNS installed and works fine(almost).some dns queries doesnt work,when I try to find(nslookup from my pc) for example - www.cisco.comI get response server failbut when i try cisco.com everyt...

lior by Nimbostratus
  • 3 Views
  • 2 replies
  • 0 kudos

ASM + Shape IBD Deployment

Hi DC, seeking your suggestions on this. Anyone tried integrating ASM to Shape security for IBD? Would like to know what are the things I need to consider like software version compatibility, end-to-end connection, etc.Any suggestions are appreciated...

Check code for ordering of events and accuracy

Hi Everyone, Can someone please check the code below to ensure we are doing the correct things for accuracy...Objective: Since all internal users egress out via a FW and through a CDN and back in for site access, we need to check the source egress ad...

ant77 by Cirrus
  • 29 Views
  • 4 replies
  • 0 kudos

SNAT with client and pool member on same subnet

Hi,We have sort of an aut-last-hop feature on our firewall, and the lb is placed in front of the firewall. This ensures when a client from a random vlan behind the firewall connects to a VIP, the return traffic is actually sent back via the LB thanks...

valve404 by Nimbostratus
  • 1 Views
  • 1 replies
  • 0 kudos

LTM DataGroup internal limit

Hi all, I'm configuring an internal DG consiting in more or less 40K entries. it is not visible via GUI (it remains stuck in loading), just in tmsh. I read that the limit of entries is around 100K. In your experience do you think this bheavior can af...

iRule Query String Match and Redirect

I seem to be having difficulty finding too much on this and maybe it is as simple as it is, I am looking to perform a URI match with a few particular query strings and redirect to another website if the request is found. I have found a few articles i...

D_T by Altostratus
  • 1 Views
  • 3 replies
  • 0 kudos

Creating an iRule from external source using AS3

I am attempting to create a new iRule using AS3 by pointing to an external file and can't seem to get the declaration and/or rule correct. I am receiving the below error when trying as is. I have tried iterations of braces around each when clause and...

Using two certificates with SNI and IP as common name

Hi all,I have a VS which client access using both FQDN and IP and I need it to be HTTPS.I have a legitimate cert for the FQDN (wildcard) and I've created a certificate for the IP address using a CA we have inhouse.I've also included SAN values for DN...

yonatan by Nimbostratus
  • 1 Views
  • 1 replies
  • 0 kudos

F5 101 exam preparation 2022

Hi,I am planning to give my f5 101 exam this year. I see the blueprint has changed with more weightage being given to f5 ; and a little to network , and it is based on version 13.1. All the questions answered previously for study materials in this f...

RULE_INIT - Initialize on standby HA peer

We implemented the iRule located here - https://devcentral.f5.com/s/articles/snat-pool-persistence After applying the iRule, SNAT persistence is working as expected. However, we had a failover to our standby peer and connections started to fail. It s...

Citrix access using SAML

Is it possible to perfom SSO into CItrix when AZURE SAML to authenitcate to the F5. All the docs, guides or bits and pieces I have found that reference passwordless envolves using smartcard. I have seen some references pointing to an additional SAML...

Can we run curl in tmsh mode ?

Hi Experts ,  Can we run curl command in tmsh mode ?  <tmos>curl -vk https://10.10.10.1  or do we have any option to use <bash> along with tmsh and execute the curl in tmos ?

Sarovani by Cirrostratus
  • 0 Views
  • 3 replies
  • 0 kudos

How to decide which Model to buy

Hi Team, Hope you all are doing good! I have a requirement where i need to replace existing ADC with F5. Can you please let me know what all parameters i should note before buying New F5 model. I need LTM module. Regards,RAQS

RAQS by Cirrus
  • 0 Views
  • 1 replies
  • 0 kudos

Subscribe to RSS Feed - I'm not seeing anything

Hi All,Silly question, i am trying to get the RSS feed working for the questions part of devcentral so i can try to be more up to date on here.But i've fried a couple of the rss links and none of them are coming up with anything.Is this nromal? - is ...

GTM - Multiple name server

Hi, We have GTM deployed as name servers in both DC & DR - in at any point of time if name server in DR is not reachable, what will happening to the dns queries that are initiated from external user via top level domain to DR name server - will exter...

Preet_pk by Nimbostratus
  • 0 Views
  • 3 replies
  • 0 kudos

Multiple ASM policy applied on Virtual Server

Hi, We have a F5 design were single Virtual Server (VIP) is pointing to multiple application on back-end via iRule & iRule load balancing is based on HTTP::host (Layer 7) for eg: when HTTP_REQUEST {    switch [string tolower [HTTP::host]] {       a....

Preet_pk by Nimbostratus
  • 2 Views
  • 5 replies
  • 0 kudos

Multiple ASM policy applied on Virtual Server

Hi, We have a F5 design were single Virtual Server (VIP) is pointing to multiple application on back-end via iRule & iRule load balancing is based on HTTP::host (Layer 7) for eg: when HTTP_REQUEST {    switch [string tolower [HTTP::host]] {       a....

Preet_pk by Nimbostratus
  • 0 Views
  • 1 replies
  • 0 kudos

SNAT Persistence

We have two virtual servers that will need to serve the same SNAT IP from a SNAT pool for the same client IP address. Is there a way to accomplish this?