F5-CTS-LTM BIG-IP Local Traffic Manager — All Questions With Answers

tmsh show ltm pool web_pool members
----------------------------------------------------
Ltm::Pool: web_pool
----------------------------------------------------
| Server: 10.1.1.5:80
| Status: down
| Availability: offline
| State: disabled
| Reason: Pool member has been disabled by the administrator
| Connections: 0

| Server: 10.1.1.6:80
| Status: up
| Availability: available
| State: enabled
| Reason: The server is available

tmsh list ltm virtual my_vs
ltm virtual my_vs {
    destination 10.0.0.1:80
    ip-protocol tcp
    pool my_pool
    profiles { http { } tcp { } }
    source-address-translation { type automap }
}

ltm pool /Common/web_pool {
   members {
      /Common/10.0.0.1:80 { }
      /Common/10.0.0.2:80 { }
   }
   monitor /Common/tcp
}

ltm virtual vs_http { destination 10.0.0.1:80 ip-protocol tcp pool pool_http profiles { http {} tcp {} } } ltm pool pool_http { members { 192.168.1.10:80 {} 192.168.1.11:80 {} } monitor http }

ltm profile http http_rewrite { 
  defaults-from /Common/http 
  insert-xforwarded-for enabled 
  fallback-host "http://maintenance.example.com" 
}
ltm virtual vs_site { 
  pool pool_web 
  profiles { http_rewrite { } } 
}

Error: 01070712:3: Caught exception: Cannot modify pool member status; member is used by an existing session.

ltm monitor http /Common/my_http_monitor {
    defaults-from /Common/http
    interval 5
    timeout 16
    send "GET /health.php HTTP/1.1\r\nHost: www.example.com\r\nConnection: Close\r\n\r\n"
    recv "200 OK"
}

config # tmsh list ltm virtual vs_test
ltm virtual vs_test {
    destination 10.0.0.1:80
    ip-protocol tcp
    pool pool_test
    profiles {
        tcp-lan-optimized { }
    }
    source 0.0.0.0/0
}

config # curl -I http://10.0.0.1
curl: (7) Failed to connect to 10.0.0.1 port 80: Connection refused

ltm persistence cookie cookie_insert_test {
    defaults-from cookie
    cookie-name BIGipCookie
    expiration 0
}

virtual vs_web {
    pool pool_web
    persist source_addr
    ... 
}

ltm pool /Common/app_pool {
    members {
        /Common/10.10.20.10:80 {
            ratio 3
        }
        /Common/10.10.20.11:80 {
            ratio 1
        }
    }
    load-balancing-mode ratio-member
}

ltm monitor http /Common/custom_http_mon {
    defaults-from /Common/http
    interval 5
    recv "200 OK"
    send "GET /health.html HTTP/1.1\r\nHost: example.com\r\nConnection: Close\r\n\r\n"
    timeout 16
}

ltm persistence cookie /Common/my_cookie_persist {
    defaults-from /Common/cookie
    match-across-services enabled
    timeout 0
}

ltm monitor https /Common/app_monitor {
   defaults-from /Common/https
   send "GET /health.php HTTP/1.1\r\nHost: example.com\r\nConnection: Close\r\n\r\n"
}

tmsh show ltm virtual /Common/vs_app_test

Ltm::Virtual Server: /Common/vs_app_test
  Status: Available
  Pool: /Common/pool_app_test
  Destination: 10.0.0.1:443
  Availability: Available
  Ltm::Virtual Server: /Common/vs_app_test
  ClientSide Traffic:
    Bits In: 1.2M
    Bits Out: 4.5M
    Total Connections: 50
  ServerSide Traffic:
    Bits In: 0
    Bits Out: 0
    Total Connections: 0

ltm profile client-ssl /Common/example_ssl {
  defaults-from /Common/clientssl
  cert /Common/example.crt
  key /Common/example.key
  ciphers DEFAULT:!SSLv3:!TLSv1
}

ltm virtual /Common/vs_https {
  destination 10.0.0.1:443
  profiles { /Common/example_ssl { context clientside } }
}

ltm persistence cookie /Common/my_cookie_persist {
   defaults-from /Common/cookie
   cookie-name my_app_session
   expiration 0
}

ltm virtual /Common/vs_http {
   destination /Common/192.168.1.10:80
   pool /Common/web_pool
   profiles {
      /Common/tcp { }
      /Common/http { }
   }
}

ltm pool /Common/web_pool {
    members {
        /Common/10.0.1.10:80 { }
        /Common/10.0.1.11:80 { }
    }
    monitor /Common/tcp
}

ltm profile http /Common/my_http_profile {
    defaults-from /Common/http
    insert-xforwarded-for enabled
}

ltm persistence source-addr /Common/my_source_persist {
    timeout 180
    mask 255.255.255.0
}

ltm virtual vs_app { destination 10.0.0.5:80 pool pool_app profiles { http { insert-xforwarded-for enabled } } }

ltm persistence cookie cookie_persistence { mode insert } ltm virtual vs_web { pool p_web profiles { http {} } }

ltm persistence source-addr my_source_persistence {
  app-service none
  match-across-pools disabled
  match-across-services disabled
  match-across-virtuals disabled
  timeout 180
}

ltm monitor http /Common/my_http_monitor {
  defaults-from /Common/http
  recv "200 OK"
  send "GET /health.html HTTP/1.1\r\nHost: example.com\r\nConnection: Close\r\n\r\n"
}

ltm persistence cookie my_cookie_persist {
  cookie-name "my_app_cookie"
  method insert
}

ltm monitor http monitor_app { 
  send "GET /health.php HTTP/1.1\r\nHost: www.example.com\r\nConnection: Close\r\n\r\n" 
  receive "OK" 
}

ltm persistence source-addr /Common/my_src_persist {
    timeout 300
    match-across-services enabled
}
ltm virtual /Common/vs_http {
    pool /Common/web_pool
    persist { /Common/my_src_persist { default yes } }
}

ltm virtual vs_app {
    destination 10.0.0.1:80
    pool pool_app
    profiles { http { } tcp-lan-optimized { } }
}

config # tmsh show ltm pool web_pool
--------------------------------------------
Ltm::Pool: web_pool
--------------------------------------------
Status
  Availability   : offline
  State          : enabled
  Reason         : The children of the pool are down
  Active Members : 0
  Total Members  : 2

ltm persistence cookie cookie_persist {
    defaults-from cookie
    cookie-name BIGIP_persistence
    expiration 0
    match-across-services enabled
}

ltm virtual vs_http {
    pool pool_http
    profiles { http { } }
    persist { cookie_persist { } }
}

tmsh show ltm pool web_pool
--------------------------------------------------
Ltm::Pool: web_pool
--------------------------------------------------
Status
  Availability     : offline
  State            : enabled
  Reason           : The pool does not have any available members
  Available Members: 0
  Total Members    : 2

tmsh show ltm virtual vs_secure_site
--------------------------------------------------
Ltm::Virtual Server: vs_secure_site
--------------------------------------------------
Status
  Availability     : offline
  State            : enabled
  Reason           : The virtual server has no available members

ltm virtual /Common/vs_http {
    destination /Common/10.10.10.10:80
    pool /Common/pool_http
    profiles {
        /Common/http { }
        /Common/tcp { }
    }
}
ltm pool /Common/pool_http {
    members {
        /Common/node1:80 { }
    }
}

ltm persistence source-addr /Common/src_persist {
    defaults-from /Common/source_addr
    map-to-ipv6 enabled
    timeout 180
}