{"id":207,"date":"2015-09-17T16:28:00","date_gmt":"2015-09-17T14:28:00","guid":{"rendered":"http:\/\/blogs.uct.ac.za\/cp\/?p=207"},"modified":"2015-09-17T16:28:00","modified_gmt":"2015-09-17T14:28:00","slug":"f5-high-availability","status":"publish","type":"post","link":"https:\/\/blogs.uct.ac.za\/cp\/2015\/09\/f5-high-availability\/","title":{"rendered":"F5 High Availability"},"content":{"rendered":"

The below post by Waylon Horne:<\/p>\n

Quick Steps to F5 BIG-IP LTM 11.x Virtual Edition High Availability<\/strong><\/p>\n

Acting as a reverse proxy and distributing network and application traffic amongst numerous servers is just the tip of the iceberg when it comes to the F5\u2019s many features.
\nWith today\u2019s increasing demand for capacity, the F5 is becoming one of the most crucial devices in the networking jungle.<\/p>\n

And with this demand, it\u2019s only logical that it should be configured to be always available, hence the quick steps below to help you configure your F5 for HA.<\/p>\n

\u00a0<\/strong><\/p>\n

\u00a0<\/strong><\/p>\n

1: Prerequisites:<\/strong><\/p>\n

    \n
  1. You must have a dedicated VLAN for HA.<\/li>\n
  2. You must have Self-IP\u2019s configured for both the HA VLAN network and Management network on both devices.<\/li>\n
  3. These steps assume that you have setup the necessary defaults such as DNS, NTP, Admin Password, VLANS, etc.<\/li>\n<\/ol>\n

    2: HA VLAN setup:<\/strong><\/p>\n

      \n
    1. Login at https:\/\/YourLTMApplianceIP Enter the admin username\/password.<\/li>\n
    2. Go to Network > VLAN > VLAN List. Click<\/li>\n
    3. Enter name<\/li>\n
    4. Select 1.3 for interface, Tagging\u00a0Click the\u00a0Add<\/strong>\u00a0button.<\/li>\n
    5. Click<\/li>\n
    6. Repeat the same steps as above on Appliance B.<\/strong><\/li>\n<\/ol>\n

      3: Self IP setup:<\/strong><\/p>\n

        \n
      1. Go to Network > Self IPs. Click\u00a0Create<\/strong><\/li>\n
      2. Type Name as\u00a0SIP-HighAvailability<\/strong>. IP Address\u00a00.0.1<\/strong>. Netmask as\u00a0255.255.255.0<\/strong>. VLAN as HighAvailability<\/strong>. Port lockdown\u00a0Allow All.\u00a0<\/strong>Select the Default Traffic Group (non-floating).<\/li>\n
      3. Repeat the same steps as above on Appliance B using 0.0.2<\/strong> as the IP.<\/li>\n
      4. Click\u00a0Finished<\/strong>.<\/li>\n<\/ol>\n

        4: Getting ready for HA setup:<\/strong><\/p>\n

          \n
        1. On Appliance A go to Device Management > Devices > Device Connectivity > Config Sync. Select the0.0.1<\/strong>(HighAvailability) VLAN IP.<\/li>\n
        2. On Appliance A go to Device Management > Devices > Device Connectivity > Failover Network. Click Add<\/strong>under\u00a0Failover Unicast Configuration<\/strong>. Select your Management IP here.<\/li>\n
        3. Repeat the same steps as above on Appliance B using Appliance B\u2019s HA and Management IP.<\/li>\n<\/ol>\n

          5: HA cluster setup:<\/strong><\/p>\n

            \n
          1. On Appliance A go to Device Management > Device Trust > Peer List. Click\u00a0Use the Management IP of Appliance B and admin username\/password. Follow the rest of the steps<\/li>\n
          2. Both appliances should now be paired with each other.<\/li>\n
          3. On Appliance A go to\u00a0Device Management >\u00a0Device Groups. Click\u00a0Create<\/strong>.<\/li>\n
          4. Type name as SyncFailove<\/strong>r to identify the device group which will participate in failover cluster.<\/li>\n
          5. Group Type is\u00a0Sync-Failover<\/strong>.<\/li>\n
          6. Drag both IPs from right to left.<\/li>\n
          7. Select\u00a0Full Sync\u00a0<\/strong>and\u00a0Network Failover (leave Automatic Sync Unchecked)<\/strong>.<\/li>\n
          8. On Appliance A go to Device Management > Overview and select SyncFailover<\/strong> under Device Groups<\/li>\n
          9. Select Appliance A under Devices, then select Sync Device to Group<\/strong> as well as the ticking the Overwrite Configuration<\/strong> check box. Click Sync<\/strong>.<\/li>\n
          10. You HA cluster Setup is now complete. One appliance will now show as ACTIVE and the other one STANDBY.<\/li>\n<\/ol>\n

            More HA troubleshooting tips can be found on F5\u2019s support KB article \u201cSOL13946<\/strong>:\u00a0Troubleshooting ConfigSync and device service clustering issues (11.x)<\/a>\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"

            The below post by Waylon Horne: Quick Steps to F5 BIG-IP LTM 11.x Virtual Edition High Availability Acting as a reverse proxy and distributing network and application traffic amongst numerous […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"ngg_post_thumbnail":0,"footnotes":""},"categories":[20],"tags":[21,23,22],"yoast_head":"\nF5 High Availability - Computing Platforms @ UCT<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.uct.ac.za\/cp\/2015\/09\/f5-high-availability\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"F5 High Availability - 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