Manual Chapter :
Common elements for local traffic pools
Applies To:
Show VersionsBIG-IP AAM
- 15.1.10, 15.1.9, 15.1.8, 15.1.7, 15.1.6, 15.1.5, 15.1.4, 15.1.3, 15.1.2, 15.1.1, 15.1.0, 15.0.1, 15.0.0
BIG-IP APM
- 16.1.4, 16.1.3, 16.1.2, 16.1.1, 16.1.0, 16.0.1, 16.0.0, 15.1.10, 15.1.9, 15.1.8, 15.1.7, 15.1.6, 15.1.5, 15.1.4, 15.1.3, 15.1.2, 15.1.1, 15.1.0, 15.0.1, 15.0.0
BIG-IP Analytics
- 16.1.4, 16.1.3, 16.1.2, 16.1.1, 16.1.0, 16.0.1, 16.0.0, 15.1.10, 15.1.9, 15.1.8, 15.1.7, 15.1.6, 15.1.5, 15.1.4, 15.1.3, 15.1.2, 15.1.1, 15.1.0, 15.0.1, 15.0.0
BIG-IP Link Controller
- 16.1.4, 16.1.3, 16.1.2, 16.1.1, 16.1.0, 16.0.1, 16.0.0, 15.1.10, 15.1.9, 15.1.8, 15.1.7, 15.1.6, 15.1.5, 15.1.4, 15.1.3, 15.1.2, 15.1.1, 15.1.0, 15.0.1, 15.0.0
BIG-IP LTM
- 16.1.4, 16.1.3, 16.1.2, 16.1.1, 16.1.0, 16.0.1, 16.0.0, 15.1.10, 15.1.9, 15.1.8, 15.1.7, 15.1.6, 15.1.5, 15.1.4, 15.1.3, 15.1.2, 15.1.1, 15.1.0, 15.0.1, 15.0.0
BIG-IP PEM
- 16.1.4, 16.1.3, 16.1.2, 16.1.1, 16.1.0, 16.0.1, 16.0.0, 15.1.10, 15.1.9, 15.1.8, 15.1.7, 15.1.6, 15.1.5, 15.1.4, 15.1.3, 15.1.2, 15.1.1, 15.1.0, 15.0.1, 15.0.0
BIG-IP AFM
- 16.1.4, 16.1.3, 16.1.2, 16.1.1, 16.1.0, 16.0.1, 16.0.0, 15.1.10, 15.1.9, 15.1.8, 15.1.7, 15.1.6, 15.1.5, 15.1.4, 15.1.3, 15.1.2, 15.1.1, 15.1.0, 15.0.1, 15.0.0
BIG-IP DNS
- 16.1.4, 16.1.3, 16.1.2, 16.1.1, 16.1.0, 16.0.1, 16.0.0, 15.1.10, 15.1.9, 15.1.8, 15.1.7, 15.1.6, 15.1.5, 15.1.4, 15.1.3, 15.1.2, 15.1.1, 15.1.0, 15.0.1, 15.0.0
BIG-IP ASM
- 16.1.4, 16.1.3, 16.1.2, 16.1.1, 16.1.0, 16.0.1, 16.0.0, 15.1.10, 15.1.9, 15.1.8, 15.1.7, 15.1.6, 15.1.5, 15.1.4, 15.1.3, 15.1.2, 15.1.1, 15.1.0, 15.0.1, 15.0.0
Common elements for local traffic pools
Local traffic pools contain the resources to which the
system distributes application traffic.
- On the Main tab, click.The Pool List screen opens.
- On the Main tab, click.The Pool List screen opens.
- On the Main tab, click the applicable path.The Pool List screen opens.
- ClickCreate.The New Pool screen opens.
- Click a pool name in the Pool List.
- Click the name of the pool you want to modify.
- In theNamefield, type a unique name for the pool.
- In theNamefield, type a unique name for the pool.An example of a pool name isexternal-pool.
- In theNamefield, type a unique name for the pool of database servers that handles read-only transactions, for examplero_pool.
- In theNamefield, type a unique name for the pool of database servers that handles write transactions, for examplerw_pool.
- In theNamefield, type a unique name for the pool.Names must begin with a letter, and can contain only letters, numbers, and the underscore (_) character.The pool name is limited to 63 characters.
- In theNamefield, type a unique name for the pool.For this examplewww-pool.Names must begin with a letter, and can contain only letters, numbers, and the underscore (_) character.The pool name is limited to 63 characters.
- In theNamefield, type a unique name for the pool of database servers.
- In theNamefield, type a unique name for the web application pool.
- In the Name column, locate the pool member you want to disable.
- For theHealth Monitorssetting, in theAvailablelist, select a monitor type, and click<<to move the monitor to theActivelist.Hold the Shift or Ctrl key to select more than one monitor at a time.
- For theHealth Monitorssetting, from theAvailablelist, select a monitor and move the monitor to theActivelist.A pool containing nodes represented by FQDNs cannot be monitored byinbandorsaspmonitors.
- For theHealth Monitorssetting, from theAvailablelist, select thegateway_icmpmonitor and move the monitor to theActivelist.
- For theHealth Monitorssetting, from theAvailablelist, select the custommssqlmonitor and move the monitor to theActivelist.
- For theHealth Monitorssetting, from theAvailablelist, select thehttpmonitor and move the monitor to theActivelist.
- For theHealth Monitorssetting, from theAvailablelist, select thehttpsmonitor and move the monitor to theActivelist.
- For theHealth Monitorssetting, from theAvailablelist, select the custom DNS monitor you created and move the monitor to theActivelist.
- From theConfigurationlist, selectAdvanced.
- From theAvailability Requirementlist, select the number of monitors that must report a pool member as being available before that member is defined as being in an up state.
- From theAllow SNATlist, select whether SNATs are automatically enabled or disabled for any connections using the pool.
- From theAllow NATlist, select whether NATs are automatically enabled or disabled for any connections using the pool.
- From theAction On Service Downlist, specify the action that the BIG-IP system should take for a client connection if the target pool member goes down.
- In theSlow Ramp Timefield, type the number of seconds that the BIG-IP system should send a less-than-normal amount of traffic to a newly-enabled pool member.
- From theIP ToS to Clientlist, select a specific Type of Service (ToS) level within a packet sent to a client, based on the targeted pool.
- From theIP ToS to Serverlist, select a specific Type of Service (ToS) level within a packet sent to a server, based on the targeted pool.
- From theLink QoS to Clientlist, select a specific Quality of Service (QoS) level within a packet sent to a client, based on the targeted pool.
- From theLink QoS to Serverlist, select a specific Quality of Service (QoS) level within a packet sent to a server, based on the targeted pool.
- In theReselect Triesfield, type the number of times that the system tries to contact a new pool member after a passive failure.
- In theEnable Request Queuinglist, selectYes.
- In theRequest Queue Depthfield, type the maximum number of connections allowed in the queue.If you type zero (0) or leave the field blank, the maximum number of queued connections is unlimited, constrained only by available memory.
- In theRequest Queue Timeoutfield, type the maximum number of milliseconds that a connection can remain queued.If you type zero (0) or leave the field blank, the maximum number of milliseconds is unlimited.
- From theLoad Balancing Methodlist, select how the system distributes traffic to members of this pool.The default isRound Robin.
- From theLoad Balancing Methodlist, select how the system distributes traffic to members of this pool.For pool members that are MS SQL database servers, considerLeast Connections, which selects the server that provides the best response time.
- For thePriority Group Activationsetting, specify how to handle priority groups:
- SelectDisabledto disable priority groups. This is the default option.
- SelectLess than, and in theAvailable Membersfield type the minimum number of members that must remain available in each priority group in order for traffic to remain confined to that group.
- Using theNew Memberssetting, add each resource that you want to include in the pool:
- (Optional) In theNode Namefield, type a name for the node portion of the pool member.
- In theAddressfield, type an IP address.
- In theService Portfield, type a port number, or select a service name from the list.
- (Optional) In thePriorityfield, type a priority number.
- ClickAdd.
- Using theNew Memberssetting, add each resource that you want to include in the pool:
- (Optional) In theNode Namefield, type a name for the node portion of the pool member.
- In theAddressfield, type an IP address.Because the route domain for this pool is the default route domain for the current administrative partition, you are not required to append the relevant route domain ID to this IP address.
- In theService Portfield, type a port number, or select a service name from the list.
- (Optional) In thePriorityfield, type a priority number.
- ClickAdd.
- Using theNew Memberssetting, add each resource that you want to include in the pool:
- SelectNode List.
- In theAddressfield, select the IP address of your alert server.
- In theService Portfield, selectHTTPorHTTPSfrom the list.
- ClickAdd.
- Using theNew Memberssetting, add each resource that you want to include in the pool:
- SelectNode List.
- For theAddressoption, select the IP address of the web application server.
- For theService Portoption, selectHTTPorHTTPSfrom the list.
- ClickAdd.
- Using theNew Memberssetting, add each resource that you want to include in the pool:
- SelectNode List.
- For theAddressoption, select the IP address of the web application server.
- For theService Portoption, select a service port from the list.
- ClickAdd.The added pool member appears in the displayed table.
- Repeat the process until all pool members are added.
- Using theNew Memberssetting, add each resource that you want to include in the pool:
- SelectNode List.
- For theAddressoption, select the IP address of your cloud service.
- For theService Portoption, selectHTTPorHTTPSfrom the list.
- ClickAdd.
- Using theNew Memberssetting, add each resource that you want to include in the pool:
- (Optional) In theNode Namefield, type a name for the node portion of the pool member.
- In theAddressfield, type an IP address.This address will reside on the internal subnet of the BIG-IP devices.
- In theService Portfield, type a port number, or select a service name from the list.
- (Optional) In thePriorityfield, type a priority number.
- ClickAdd.
- Using theNew Memberssetting, add the resource that you want to include in the pool:
- (Optional) In theNode Namefield, type a name for the node portion of the pool member.
- In theAddressfield, type an IP address.This address will reside on the external network of the ECMP-enabled upstream router.
- In theService Portfield, type a port number, or select a service name from the list.
- (Optional) In thePriorityfield, type a priority number.
- ClickAdd.
- Add each resource that you want to include in the pool using theNew Memberssetting:
- Type an IP address in theAddressfield.
- Type21in theService Portfield, or selectFTPfrom the list.
- (Optional) Type a priority number in thePriorityfield.
- ClickAdd.
- Add each DNS server that you want to include in the pool using theNew Memberssetting:
- In theAddressfield, type the IP address of the DNS server.
- Type53in theService Portfield.
- (Optional) Type a priority number in thePriorityfield.
- ClickAdd.
- Using theNew Memberssetting, add each resource that you want to include in the pool:
- Type an IP address in theAddressfield.
- Type80in theService Portfield, or selectHTTPfrom the list.
- (Optional) Type a priority number in thePriorityfield.
- ClickAdd.
- Add the IP address for each logging server that you want to include in the pool, using theNew Memberssetting:
- Type an IP address in theAddressfield, or select a node address from theNode List.
- Type the port number for the logging server in theService Portfield.
- (Optional) Type a priority number in thePriorityfield.
- ClickAdd.
- In theNew Memberssetting, add the members that you want to include in the pool using FQDNs.
- SelectFQDN Node List.
- From theAddresslist, select a node identified by an FQDN.
- Make a selection from theService Portlist.
- ForAuto Populate, selectEnabled.WhenAuto Populateis enabled, the system generates an ephemeral node for each IP address returned in response to a DNS query for the FQDN of the node. Additionally, when a DNS response indicates the IP address of an ephemeral node no longer exists, the system deletes the ephemeral node.
- ClickAdd.
- In theNew Memberssetting, add the members that you want to include in the pool using FQDNs.
- SelectFQDN Node List.
- From theAddresslist, select a node identified by an FQDN.
- Make a selection from theService Portlist.
- In theNew Memberssetting, selectEnabled. The options are:EnabledThe system generates an ephemeral node for each IP address returned in response to a DNS query for the FQDN of the node. Additionally, when a DNS response indicates the IP address of an ephemeral node no longer exists, the system deletes the ephemeral node.DisabledThe system selects the first address and generates an ephemeral for that address.
- In theNew Memberssetting, add the members that you want to include in the pool using FQDNs.
- SelectNew FQDN Node.
- In theFQDNfield, type the FQDN.
- From theService Portlist, make a selection.
- For theAuto Populatesetting, selectEnabled.WhenAuto Populateis enabled, the system generates an ephemeral pool member for each IP address returned in response to a DNS query for the FQDN. Additionally, when a DNS response indicates the IP address of an ephemeral pool member no longer exists, the system deletes the ephemeral pool member.
- ClickAdd.
- In theNew Memberssetting, add at least one node with a static IP address. This node serves as a fallback if a DNS query returns no records for the nodes identified by FQDNs.
- SelectNode List.
- From theAddresslist, select a node identified by a static IP address.
- From theService Portlist, make a selection.
- ClickAdd.
- Using theNew Memberssetting, add the IP address for each remote logging server that you want to include in the pool:
- Type an IP address in theAddressfield, or select a node address from theNode List.
- Type a service number in theService Portfield, or select a service name from the list.Typical remote logging servers require port514.
- ClickAdd.
- Using theNew Memberssetting, add the IP address for each database server that you want to include in the pool:
- Type an IP address in theAddressfield, or select a node address from theNode List.
- Type a service number in theService Portfield, or select a service name from the list.Typical TDS database servers require port1433.
- ClickAdd.
- Using theNew Memberssetting, add the IP address for each IPFIX collector that you want to include in the pool:
- Type the collector's IP address in theAddressfield, or select a node address from theNode List.
- Type a port number in theService Portfield.By default, IPFIX collectors listen on UDP or TCP port4739and Netflow V9 devices listen on port2055, though the port is configurable at each collector.
- ClickAdd.
- Add each SMTP server that you want to include in the pool, using theNew Memberssetting:
- Type an IP address in theAddress, field or select a node address from theNode List.
- Type25in theService Portfield, or selectSMTPfrom the list.
- ClickAdd.
- Use theNew Memberssetting to add each resource that you want to include in the pool:
- In theAddressfield, type an IP address.
- In theService Portfield type443, or selectHTTPSfrom the list.
- (Optional) Type a priority number in thePriorityfield.
- ClickAdd.
- Using theNew Memberssetting, add each router that you want to include in the default gateway pool:
- Type the IP address of a router in theAddressfield.
- Type an asterisk (*) in theService Portfield, or select*All Servicesfrom the list.
- ClickAdd.
- In the Resources area, for theNew Memberssetting, add to the pool the application servers that host the web application:
- Type an IP address in theAddressfield.
- In theService Portfield, type a port number (for example, type80for the HTTP service), or select a service name from the list.
- ClickAdd.
- In the Resources area, for theNew Memberssetting, add to the pool the application servers that host the web application:
- Type an IP address in theAddressfield.
- In theService Portfield, type a port number (for example, type80for the HTTP service), or select a service name from the list.
- In theConnection Limitfield, type a number for the maximum number of connections.
- In theConnection Rate Limitfield, type a number that specifies the number of new connections accepted per second for the pool member.
- ClickAdd.
- ClickFinished.
- ClickFinished.The screen refreshes, and you see the new pool in the Pool list.
- ClickCancel.
- ClickRepeatand create another pool.
- ClickUpdate.
- ClickUpdate.The screen refreshes, and the status in the Availability area changes.
- Locate thePartitionlist in the upper right area of the BIG-IP Configuration utility screen, to the left of theLog outbutton.
- From thePartitionlist, select the partition in which you want to create local traffic objects.
- On the menu bar, clickMembers.
- In theMemberlist, select the relevant pool member.
- In the State area, clickDisabled (Only persistent or active connections allowed).
- For theStateproperty, clickForced Offline (Only active connections allowed).
- Locate theStateproperty and view the selected value.
- Select the check box to the left of the pool member name.
- Click theDisablebutton.
- For theNew Memberssetting, add each server that you want to include in the pool:
- SelectNew NodeorNew FQDN Node.
- (Optional) In theNode Namefield, type a name for the node.
- If you choseNew Node, then in theAddressfield, type the IP address of the server. If you choseNew FQDN Node, then in theFQDNfield, type the FQDN of the server.If you want to use FQDNs instead of IP addresses, you should still type at least one IP address. Typing one IP address ensures that the system can find a pool member if a DNS server is not available.
- For theService Portoption, pick a service from the list.
- If you are using FQDNs for the server names, then forAuto Populate, keep the default value ofEnabled.When you leaveAuto Populateturned on, the system creates an ephemeral node for each IP address returned as an answer to a DNS query. Also, when a DNS answer shows that the IP address of an ephemeral node no longer exists, the system deletes the ephemeral node.
- ClickAdd.
- Do this step again for each node.