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NetStructure™ 480T Routing Switch User Guide
Configuration of SLB with ESRP
Note the following about the configurations for switches running
SLB and ESRP:
• All switch ports connected directly to the servers must be
configured as ESRP host ports.
• The link between the two switches must be configured as an
ESRP host port.
• The configuration uses transparent mode and HTTP services, but
can be configured to support any of the currently supported load
balancing protocols.
• Unlike the High Availability configuration, both switches are
configured as Switch 1.
Web-Server Configuration
In Figure 18.5, basic HTTP, configured at TCP port 80, is the only
service being load balanced. The services must match those
configured on the switch. For example, HTTP services configured
at TCP port 7080 on the switch require that servers be able to allow
connections at port 7080.
Ensure that the SLB connection is valid before trying to transfer the
configuration to an ESRP/SLB configuration.
Using High Availability System
Features
The 480T routing switch supports several advanced redundant
system features. These provide additional assurance that your
content is available if a switch experiences a problem. Options
include:
• Redundant SLB
• Ping-check
• Active-active operation
• Manual fail-back
• SLB high availability