| F5 BIGIP – Modify URI path using local traffic policy |
Im using my F5 BIGIP (v13) as reverse proxy to publish some websites by using local traffic policies. But i need to perform a URL rewriting. To be specific, i need to strip a string from the URI path.
It could be done using an IRule:
when HTTP_REQUEST{
if { [string tolower [HTTP::uri] ] starts_with "/path1" } {
HTTP::uri [string |
| F5 BIG-IP – Rollback tmsh commands |
Today a very short and simple post to learn how to rollback configurations performed via tmsh.
After executing some commands, if finally we need to undo those changes we can get it, at least, by the following ways:
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| F5 BIG-IP – Apply SNAT to client subnet or IP |
In certain scenarios it can be interesting or necessary to apply SNAT only to certain client IPs when accesing a virtual server to f.e. avoid assymetric routes, when the server gateway is not the F5… (take a look at this link for more examples).
These are the steps (im using BIG IP v13)…
I prefer the … Read more
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| F5 BIG-IP – Useful SNMP oids to monitor |
I have collected some of the most interesting OIDs (in my scenario im using LTM and APM modules) from the F5 MIBS:
Hardware sensors (fans, power supplies…), resource usage (cpu, mem…), sync status…
MIB: F5-BIGIP-SYSTEM-MIB (file F5-BIGIP-SYSTEM-MIB.txt)
| Synchronization status message | sysCmSyncStatusSummary | .1.3.6.1.4.1.3375.2.1.14.1.4 |
| Failover status | sysCmFailoverStatusStatus | .1.3.6.1.4.1.3375.2.1.14.3.2 |
| Synchronization status color | sysCmSyncStatusColor | .1.3.6.1.4.1.3375.2.1.14.1.3 |
| Power Supply status | sysChassisPowerSupplyStatus | .1.3.6.1.4.1.3375.2.1.3.2.2.2.1.2 |
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| F5 BIG-IP – Automate backup of configuration files |
I have recently installed and configured my 2 node F5 BIG-IP cluster as load-balancer and SSL-VPN portal. I have been ocasionally performing configuration backups, but now i need to schedule them regularly and automatically.
This article covers the ways to perform the backup of a BIG-IP system and automate them.
In the menu options: System – … Read more