Network Failover Solution (D6600 Only) - Bosch Conettix D6600 Installation And Operation Manual

Conettix Communications Receiver/
Gateway
12.2.2

Network Failover Solution (D6600 Only)

An installed Conettix System should have at least two D6600s and two D6686/D6682/D6680
modules to allow for a redundant backup to the first system in the event of a system Number
1 failure. To allow for a redundant backup of the D6686/D6682/D6680, program the IP
address of D6686/D6682/D6680 Number 1 into D6686/D6682/D6680Number 2. This allows
for a change-over from D6686/D6682/D6680 Number 1 to D6686/D6682/D6680 Number 2.
This might seem like a simple solution, but it is much more complex than it appears. In a
network environment, the MAC address plays a crucial role in delivery of the data to the
D6686/D6682/D6680. By simply switching from D6686/D6682/D6680 Number 1 to D6686/
D6682/D6680 Number 2, no data would be delivered to D6680/D6682 Number 2 immediately
after switching. This section does not explain why this happens, but how to overcome this.
Notice!
i
Software version 5.5C or greater must be installed in the D6680 for the Alternate MAC Ad-
dress function.
Each D6686/D6682/D6680 is programmed with the same IP address, but only one is
connected to the network at the same time by using an AB switch. This switch could be a
larger switch that also changes the phone lines from one D6686/D6682/D6680 to the other, or
any other type of switch that the location might use as long as it switches the network
connection from one D6686/D6682/D6680 to the other.
Figure 12.5: D6686/D6682/D6680 Connection
Bosch Security Systems, Inc. Installation and Operation Guide
Network Communications | en
2012.11 | 08 | 4998122704
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