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66 Connect PRI Gateway components
Figure 13
Single server port configuration: dual-homing (nondistributed)
Figure 14 "Single server port configuration: dual-homing (distributed)"
(page 66)
of both the ELAN and TLAN network interfaces. Multiple Layer 2 switches
are used to ensure there is no single point of failure. Nortel recommends
this configuration for highest reliability in a single CPU Call Server
configuration. Note that the Layer 2 switch must be partitioned into
separate VLANs to keep the ELAN and TLAN traffic on separate subnets.
Figure 14
Single server port configuration: dual-homing (distributed)
Media Gateway 1000E PRI Gateway Installation and Commissioning
shows a typical network configuration that supports dual-homing
Nortel Communication Server 1000
NN43041-311 04.01 4 June 2010
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