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570NAT-HW-X19
High Density Network Address Translator
Page - 40
Revision 1.0
4.8. REDUNDANCY
Redundancy allows for traffic to be re-routed to a backup core upon failure. For redundancy, cores are
paired as 1-2, 3-4, 5-6. Behavior of a data flow upon failure can be assigned separately for each individual
flow separate from each other flow on that core. Note that flow redundancy must be enabled for the core
in order for it to be enabled on the flow within that core.
Figure 4-29 : WebEASY
®
- Redundancy
4.8.1. Flow Redundancy Between Cores
Cores act as backup for for eachother in pairs 1-2, 3-4, and 5-6. Redundancy is enabled for each set of
pairs. Flow redundancy between cores must be enabled here to enable flow redundancy for individual
flows on the core.