Stacking Function; Figure 3 Stack Example - Zte ZXR10 5900 Product Description

ZXR10 5900 5200 Product Description
are two access points in the low-layer ring connecting with high-layer access ring, so
that network topology is an independent ring and the tangent part of one ring actually
looks as part of the other ring. The ring with highest level is called main ring, the others
are called access ring. Multiple domains refer to multiple protection instances on one
ring adaptive to different service VLANs standing independently with different logical
paths.
2.7

Stacking Function

ZXR10 52/59 supports SES stacking function.
composing by some Ethernet switches connecting via stacking ports, where our main
switch and several standby switches exist. Normally daisy chain is used as shown in the
following figure:
Figure 3 Stack Example
Switches connect each other via stacking interfaces. Among devices, special protocol
message is used to control topology discovery, calculation, routing maintenance, etc.
The advantages stacking function brings to users are:
 Sound Management: IRF stacking enables unified management of multiple devices.
One connection and one IP address can manage the entire Fabric, which obviously
reduces the costs.
Superior Extensibility: IRF stacking is capable of fitting different users' demands and

guarantees smooth network extensibility, which maximally protects investment in
network upgrade.
N+1-mode backup features high reliability, which avoids single-point failure and

reduces service breakdown.
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