Avaya 1000 Installation And Commissioning Manual page 49

Gateway Controller network connections
Figure 11: Single Server port network connections (dual-homing - non distributed)
The following figure illustrates a typical network configuration that supports dual homing of both the
ELAN and TLAN. Multiple Layer 2 switches ensure there isn't a single point of failure. Avaya
recommends this configuration for the highest reliability in a single CPU Call Server configuration.
You must partition the layer 2 switch into separate VLANs to keep the ELAN and TLAN traffic on
separate subnets
Figure 12: Single Server port network connections (dual-homing - distributed)
June 2014 Branch Office Installation and Commissioning
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