Cisco SCE 1000 2xGBE User's Guide download pdf (Page 41)

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Chapter 2 Topology

Redundancy

SCE 1000 2xGBE Release 2.0.10 User Guide

OL-7117-02 2-5

An external splitting installation is referred to as receive-only connection mode.

Note that in an external splitting installation, the SCE 1000 has only traffic monitoring

capabilities.

Note

Receive-only topologies can also be implemented using a switch. Such a switch must support SPAN

functionality that includes separation between ingress and egress traffic and multiple SPAN-ports

destinations.

Redundancy

When a high degree of reliability is desired, a second SCE 1000 Platform should be installed to

provide backup operation capabilities. This redundant SCE 1000 guarantees uninterrupted

functioning of all SCE 1000 operations.

Note

Redundancy is possible in inline installations only.

A single SCE 1000 platform does not provide redundancy for SCE 1000 control functions. In case

of failure of the SCE 1000 unit, the SCE 1000 simply bypasses the traffic; the traffic link is not

cut, but no control or monitoring functionality is available.

Two Platforms on Parallel Links in Bump-in-the-Wire Topology

Using two platforms on parallel links provides redundancy for all SCE 1000 features. In case of

failure in the active platform, the backup SCE 1000 unit takes over.

Figure 2-3: Two Platform Redundancy

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