H3C Technologies H3C SecBlade LB Cards - Manual (Page 32)

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Item Description
Persistence Method
Select a method for associating real services and connections that access the same
virtual service.
Using a persistence method can reduce times that LB product distributes traffic and
services.
• If you do not select a persistence method, no real services or connections are
associated.
• Source IP—Connections that have the same source address will be associated
with the same real service. In this mode, if the service port number is configured
as any, then any connection with the same source address and protocol type
indicates access of the same real service.
• Source Port—Connections that have the same source port will be associated with
the same real service.
• Destination Port—Connections that have the same destination port will be
associated with the same real service.
• Source IP + Port—Connections that have the same source address and port will
be associated with the same real service.
• Destination IP + Port—Connections that have the same destination address and
port will be associated with the same real service.
Persistence Timeout
Set the aging time of a persistence entry.
When a persistence method is configured, persistence entries are generated
according to the persistence method. If a persistence entry is not matched within the
persistence timeout time, the persistence entry is deleted.
This option is not available if you do not select a persistence method.
Connection Limit Set the maximum number of concurrent connections of the virtual service.
Real Service Group
Reference a real service group for the virtual service.
IMPORTANT:
H3C recommends you not to reference a real service group with the scheduling
algorithm Least Connections or Weighted Least Connections for the virtual service
enabled with forced load balancing. Otherwise, load balancing may not operate
normally.
Enable Virtual Service
Whether to enable a virtual service after it is configured.
This option is not available if you do not select a real service group.
Creating a virtual service for Layer 7 server load balancing
1. Select Load Balance > Server Load Balance > IPv4 from the navigation tree.
2. Click Virtual Service.
The virtual service page appears.
3. Click Add.
The virtual service configuration page appears.
4. Select Seven for LB Layer.
The page for creating a virtual service appears.