HP 200 Series Services And Applications page 221
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Also See for 200 Series:
- Installation manual (144 pages) ,
- Hardware support document (95 pages) ,
- Instructions manual (7 pages)
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b
Figure 14. Packet-Switching Network with Circuit-Switching Backup
The network in figure 14 is set up as follows:
Connections to the packet-switching network are configured in a
single subnet using either RIP or OSPF. OSPF is preferred since it
detects failures and switches around failures faster than RIP.
Connections to the circuit-switching network are configured in a
single subnet (a different subnet than the one used for the packet-
switching network).
Router D (R
) is the central site from the perspective of the dial-
d
backup scheme. R
and R
a
Ethernets; R
is the next hop for all of the static routes to the remote
d
Ethernet networks. The point-to-point circuit between R
been installed to provide a backup path in the envent of a failure in
R
's packet-switching access circuit. A new feature in the next
d
HP router software release—conditional static routes—allows you
to define a new type of static routeand removes the need for the
point-to-point circuit.
Improving Network Availability
a
Packet
Switching
Network
c
Circuit
Switching
Network
d
have static routes to each of the other
c
Sample Networks
and R
has
b
d
3-27
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