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F5

Commands including bash require admin rights

Known Affected Software Versions: All

Result: Commands run util bash -c uptime for device uptime and run util bash -c "ntpq -np" for NTP peer server communications will not run without administration permissions.

Long timeout for command show ltm virtual details

Known Affected Software Version: All

Description: Command show ltm virtual details may hang for a long time before sending any response back to the user and the discovery process can be stopped.

Result: Some F5 devices might not be discovered.

Fix: Test how long it takes to get data for this command via CLI and update Network device session timeout accordingly.

Long or infinite discovery due to restjavad frequent restarts because of insufficient memory

Affected Product: BIG-IP TMOS

For Known Affected Software Versions see F5 documentation.

Description: show ltm virtual details command may cause the restjavad daemon on F5 to restart, causing long or infinite discovery time.

Result: Some F5 devices might not be discovered.

Fix: Increase device memory for restjavad process, see F5 Bug ID 776393.

SNMP passphrases appear to change each time during config backup

Affected Versions: all below 14.1.0 version

Description: When SNMPv3 users are configured with authentication and privacy passwords, the TMSH display of encrypted passwords appears to change at each redisplay. Same applies for getting the configuration file with cd /;show running-config recursive command.

Environment:

  • TMSH
  • SNMPv3
  • Encrypted passwords

Result: IP Fabric considers every new F5 configuration file as changed.

Fix: Upgrade to a fixed version as noted in Bug ID 532181.

F5 device fails to discover due to ASM out of memory error

Affected Versions: all versions

Description: When IP Fabric issues show ltm virtual recursive an error message pop up Error Message: ASM out of memory error: event code X242/X260 Exceeded maximum memory assigned for XML/JSON processing which halts the discovery process for the device.

Environment:

  • ASM Policy configured to process XML Requests
  • XML requests are not processed
  • During the time of issue, logs like below are generated in the following directories:

Result: IP Fabric fails to discover the device.

Fix: Mitigation steps can be found on F5’s page K22526837.

Disk partition shared has only x % free message causes infinite discovery

Affected Versions: all versions

Description: During discovery, if the device has full drive, it issues a syslog message to the shell every 3 minutes but default timeout for discovery is 5 minutes. This causes the discovery to never finish.

Environment:

  • Disk space
  • High Utilization

Result: IP Fabric discovery never finishes.

Fix: Mitigation steps can be found on F5’s page K15485103.