
Understanding ATM, MPOA, and ATM Router Redundancy Concepts
117374-B Rev. 00
1-43
ATM Router Redundancy Concepts
Bay Networks ATM routers support warm standby router redundancy. This
redundancy protects a network from the irrecoverable failure of an entire ATM
router. You configure routers to be members of a router redundancy group.
Figure 1-15
illustrates router redundancy in a Bay Networks ATM environment.
Figure 1-15. Router Redundancy
Token ring
10BASE-T
ATM00002
ELAN 1
ELAN 2
ELAN 3
ATM network
Centillion 100 switch
Centillion 100 switch
Centillion 100 switch
Centillion 100 switch
100BASE-T
ELAN 4
Physical connection
Logical connection
ATM router 1
ATM router 2
Token ring
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