Installing bigip hotfix

I have encountered weird issues on BIGIP 12 VE: Changes, disable, enable the virtual server will cause bigip to temporarily unable to ping the pool members despite dynamic ARP entry is available. Because of point 2, health monitor registered failures on the monitored pool members. Priority group does not work properly when persistence is applied. … Continue reading Installing bigip hotfix

Simple load balancing with bigip

Lab information 2x DVWA servers in vmnet3 1x Lubuntu client in vmnet5 Use round robin as load balancing method. DVWA has a login page, hence enable persistence source address. Enable health monitor for the DVWA servers. Create DVWA pool DVWA has two servers namely 172.16.3.130 and .131 root@(bigip1)(cfg-sync Standalone)(Active)(/Common)(tmos)# /ltm pool root@(bigip1)(cfg-sync Standalone)(Active)(/Common)(tmos.ltm.pool)# create dvwa … Continue reading Simple load balancing with bigip

Configuring bigip from the start

To use the command line to achieve the following: mgmt ip address: 10.10.10.1, mask /24 ntp service to pool.ntp.org dns for bigip to 8.8.8.8 and 8.8.4.4 interface 1.1 to vmnet5, interface 1.2 vlan10, interface 1.3 vmnet3 default route test routing to the internet from pc in vmnet3 and vmnet4. change default password. change hostname to … Continue reading Configuring bigip from the start

Configuring ntp for bigip

Command line root@(bigip-lab1)(cfg-sync Standalone)(Active)(/Common)(tmos)# /sys ntp root@(bigip-lab1)(cfg-sync Standalone)(Active)(/Common)(tmos.sys.ntp)# modify servers add {pool.ntp.org} root@(bigip-lab1)(cfg-sync Standalone)(Active)(/Common)(tmos.sys.ntp)# modify timezone Singapore The timezone is case sensitive, singapore and Singapore are different entity. The timezone is define in /usr/share/zoneinfo, can use the bash command to list recursively for timezone information. root@(bigip-lab1)(cfg-sync Standalone)(Active)(/Common)(tmos)# run /util bash -c "ls -R /usr/share/zoneinfo | … Continue reading Configuring ntp for bigip

Configuring dns for bigip appliance

Command Line [root@bigip-lab1:Active:Standalone] config # tmsh root@(bigip-lab1)(cfg-sync Standalone)(Active)(/Common)(tmos)# /sys dns root@(bigip-lab1)(cfg-sync Standalone)(Active)(/Common)(tmos.sys.dns)# modify name-servers add {8.8.8.8 8.8.4.4} Graphic user interface equivalent Delete the dns entry for bigip root@(bigip-lab1)(cfg-sync Standalone)(Active)(/Common)(tmos.sys.dns)# modify name-servers delete {202.65.242.122 202.65.242.130} Check the dns configuration root@(bigip-lab1)(cfg-sync Standalone)(Active)(/Common)(tmos)# list sys dns sys dns { description [google_dns] name-servers { 8.8.8.8 8.8.4.4 } }