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Issue 6 January 2008 95
Figure 29: S8700-series fiber-PNC in a high reliability configuration
Figure notes:
1. The Administration PC is used to access the
S8700-series Server over the corporate data
network.
2. Corporate IP network.
3. Corporate IP network interface. The Ethernet 4 link
from the S8700-series Server to the data network.
1
4. Two S8700-series Servers are always present. One
server is in active mode, and the other server is on
standby.
5. Duplication interface, default Ethernet 2. The
dedicated Ethernet connection between the
S8700-series Servers.
6. Services interface, default Ethernet 1. The server's
dedicated Ethernet connection from the
S8700-series Server to a laptop computer (active
only during on-site administration or on-site
maintenance).
1. The Ethernet connection to the corporate network in this figure is a nondedicated network. IP addresses for the various
components of the S8700-series fiber-PNC configuration must be administered to prevent conflicts with other
equipment that shares the network. In the default S8700 fiber-PNC configuration, all other Ethernet connections operate
on their own closed LANs.
7. Network control A interface, default Ethernet 0.
The server's Ethernet connection to one or two
Ethernet switches. This Ethernet link carries the
control signals for the PNs.
8. Network control B interface, default Ethernet 3.
The server's Ethernet connection to one or two
Ethernet switches. This Ethernet link carries the
control signals for the PNs.
9. Ethernet switches. If many PNs are present, two
Ethernet switches can be daisy-chained together
to provide sufficient Ethernet connections to the
IPSI boards in the PNs.
10. Duplicated UPSs. Keeps the S8700-series Servers
and the Ethernet switches functional during brief
power outages.
11. Port Networks.
12. Duplicated IPSI circuit packs
112
13 24
CONSOLE
112
13 24
CONSOLE
Ethernet 4 Ethernet 4
Ethernet 2
Ethernet 1 Ethernet 1
Ethernet 0Ethernet 0 Ethernet 3
PN 1 PN 2 PN
cynds146 LAO 012506
IPSI IPSI IPSI
1
2
3 3
4
1
1
1 2
2
2
4
5
6 6
7
8
9 9
11 11 11
12 12 12
10 10
13 13 13