adept technology GRouter3, Руководство пользователя

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1.6. 852 to 852 Bridging Router Mode
In order to better support large installations with dozens of IP to LON routers a GR3 router can
be configured in 852 to 852 bridging router mode. In this mode one GR3 router can bridge two
logical 852 channels. When acting as an 852 bridge the router is a member of two logical 852
channels sharing one ethernet interface. e router bridges traffic between the two channels. On
the LON side the bridge looks like a LON router. is overcomes limitations of some network
managers on the number of 852 devices per channel and provides for enhanced scalability by
partitioning the 852 traffic seen by any given router. Some network management tools with an
852 interface have an artificially low limitation on the number of 852 devices that the tool can
communicate with on its 852 channel. e architecture of the GR3 in bridging router mode is
shown below.
Fig.1.10: 852 Bridging Router Architecture
1.7. Redundant Twin Mode
e Twin Redundant Mode enables two GR3 routers to operate as a redundant pair for high
availability applications without generating duplicate traffic. is enhanced capability increases
reliability and eliminates some single mode failure sources. A simple diagram showing a
redundant connection between two channels is shown below.
Router
IP/LON
709 with
852
709 with
LON
Ethernet
FTT-10
Router
IP/LON
709 with
852
709 with
LON
Ethernet
FTT-10
IP Ethernet Channel
709.1 FTT-10 Channel
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