6-3
Cisco SCE8000 GBE Installation and Configuration Guide
OL-19897-02
Chapter 6 Cabling the GBE Line Ports and Completing the Installation
Connecting the GBE Line Ports to the Network
Table 6-1 lists the single SCE8000 GBE connectivity.
Dual Cisco SCE8000 GBEs Topology
In this topology, two Cisco SCE8000 GBEs are connected, providing full redundancy through cascading
the two Cisco SCE8000 GBEs. The Cisco SCE8000 GBEs must be inline.
Note When installing a cascaded system, it is extremely important to follow the sequence of procedures
outlined in Cascaded Systems, page 6-13.
When two Cisco SCE8000 GBEs are used, the SPAs in subslots 0 and 1 are connected to the links, while
the SPAs in subslots 2 and 3 are the cascade ports that are used for communicating between the two Cisco
SCE8000 GBEs.
Guidelines for cascaded SCE8000 GBE topologies:
• 8-port GBE SPAs are used in subslots 0 and 1 and are connected to the traffic links. With eight traffic
links in each SCE8000 GBE, this provides a total of 16 traffic links.
• 1-port 10 GBE SPAs are used in subslots 2 and 3 to provide the cascade ports for communicating
between the two SCE8000 GBE s.
• A topology with only one 8-port GBE SPA in subslot 0 and one 1-port 10GBE SPA in subslot 2 is
supported.
• A topology with only one 8-port GBE SPA in subslot 0 and two 1-port 10GBE SPAs in subslots 2
and 3 is not supported.
• The two SCE8000 GBE platforms are identified in relevant CLI commands by the sce-id parameter
(see sce-id Parameter, page 3-11). Possible values are 0 and 1.
Table 6-1 Single SCE8000 GBE Connectivity
Connect this subscriber port... To this network port Link Number
SPA in subslot 0
01 0
23 1
45 2
67 3
SPA in subslot 1
01 4
23 5
45 6
67 7
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