Virtual Server Info

To access the Virtual Server Info dialog box:

  1. Select Device > Configure > SLB Statistics.

  2. With a Server Load Balancing (SLB) instance selected, click Virtual Servers.

This dialog box provides information on the virtual server configured on the server load balancing (SLB) manager. virtual IP address, port, and the associated server farm name.

The Virtual Server Info dialog box displays the following data:

The following list specifies buttons in this dialog box, as well as their function:


Virtual Name (slbVirtualServerName)

The name of the virtual server.


Virtual State (slbVirtualServerState)

The state of the virtual server.


Index (slbVirtualIndex)

The index assigned to the virtual server used to correlate connections with virtual servers.


Virtual IP Address (slbVirtualIpAddress)

The IP address of the virtual server.


Virtual Port (slbVirtualPort)

The port of the virtual server.


Protocol (slbVirtualProtocol)

The protocol for the virtual server.


Service (slbVirtualService)

The service setting for the virtual server. Setting this to values other than none results in an association being formed between clients using the service and the virtual server. Subsequent packets will be forwarded to the nominated real server.


Address Advertise (slbVirtualAdvertise)

The setting for virtual address advertising. It is set to true if the virtual server adds a static route to the routing table attracting traffic destined for slbVirtualIpAddress.


Associated Server Farm name (slbVirtualFarmName)

The name of the virtual server farm bound to the virtual server.


Delay time (slbVirtualDelayTimer)

The amount of time the SLB entity maintains TCP connection context after a connection has been terminated.


Idle time (slbVirtualIdleTimer)

The amount of time the SLB entity maintains connection information in the absence of packet activity.


Sticky Time (slbVirtualStickyTimer)

The amount of time a real server is remembered after a connection is terminated.


Sticky Group ID (slbVirtualStickyGroup)

The group ID associated with the sticky group the virtual server is placed in. A value zero shows that no sticky group is associated with the virtual server.


Unanswered SYNs count (slbVirtualSynguardCount)

The number of unanswered SYNs allowed to be outstanding to this virtual server. After this number is reached, SYNs are dropped depending on the value of slbVirtualSynguardPeriod.


Period of Syngaurd Count (slbVirtualSynguardPeriod)

The time interval for which the virtual server can have outstanding unanswered SYNs. This is used with slbVirtualSynguardCount to limit outstanding SYNs.


Virtual Row status (slbVirtualRowStatus)

The management station uses row status to create or delete the row entry in slbVirtualServerTable.


Subnet mask (slbVirtualMask)

The IP subnet mask that is applied to the virtual server address, for traffic filtering.