Version 7.0 655 Mediant 3000
User's Manual 37. HA Overview
37 HA Overview
The High Availability architecture of the Mediant 3000 provides the following main
functionality:
Redundant Active/Standby configuration
Support for both TP-6310 and TP-8410 blades
One or many global device IP addresses
Private IP address for each blade for maintenance and fallback.
Upgrading software without disrupting current calls (Hitless Software Upgrade)
The device supports a 1+1 redundancy scheme termed High Availability (HA). In HA mode,
the device includes two VoP blades (TP-8410 or TP-6310) and two SA/M3K blades in the
front panel, where one of each blade pair is either in active or redundant mode). The
general architecture of the HA system with TP-8410 and TP-6310 are shown respectively
in the figures below:
Figure 37-1: High Availability System 1+1 of Mediant 3000 with TP-8410
Figure 37-2: High Availability System 1+1 of Mediant 3000 with TP-6310
On the front panel, the active blade occupies Slot 1 while the redundant blade occupies
Slot 3. The SA/M3K blades occupy the front panel's slots 2 (active blade) and 4 (redundant
blade).
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