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Cisco SCE 2000 4xGBE Installation and Configuration Guide
OL-7824-07
Chapter 3 Information About Topology
Information About Topology Considerations
Dual link: Inline Installation
In this topology, one SCE 2000 is connected inline in two full duplex, GBE links (
In case the two links are load-shared, asymmetrical routing might occur, and some of the flows may be
split, that is, the upstream packets of the flow go on one link, and the downstream packets go on the other
link.
When installed in this topology, the SCE 2000 completely overcomes this phenomenon, and provides its
normal functionality as if asymmetrical routing were not occurring in the two links.
Figure 3-2
Single SCE Platform Dual Link Inline Topology
This topology supports both monitoring and control functionality, and is referred to as “inline”
connection mode.
LINK RX
Cisco SCE 2000
Series
4xGBE
TX
RX
MM
TX
LINK RX TX
RX
MM
TX
LINK RX TX
RX
MM
TX
LINK RX TX
RX
MM
TX
GBE-1
SUB
LINE
NET
PWR B
STATUS
PWR A
BYPASS
GBE-2
SUB LINE/CASCADE NET
Router
Router
Subscriber
92799
Network
Router
Link 1
Link 2
Router
Subscriber
Network