Raisecom
ISCOM2600G-HI (A) Series Configuration Guide
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
3 ISF
This chapter describes basic principles and configuration procedures for Intelligent Stacking
Framework (ISF), and provides related configuration examples, including the following
sections:
Introduction
ISF concepts
Establishing ISF environment
Configuring ISF
Preconfiguring ISF in standalone mode
Configuring ISF in ISF mode
Checking configurations
Configuration examples
3.1 Introduction
ISF, a typical stack protocol, is a virtualization technology developed by Raisecom. It
connects multiple devices and virtualizes them into one device after necessary configurations.
In this case, it combines hardware and software processing capabilities of multiple devices,
and implements coordinated working, uniform management, and uninterrupted maintenance
of multiple devices.
3.1.1 ISF advantages
Simplified management: after an ISF is formed, you can log in from any interface on any
member switch to manage all members in the ISF.
Powerful network scalability: you can increase interfaces, network bandwidth, and
processing capability of an ISF simply by adding member switches.
High reliability: the ISF is reliable in many aspects. The ISF consists of multiple member
switches. The master switch operates, manages, and maintains the ISF while the backup
switch and slave switch work as backup and meanwhile process services. When the
master switch fails, the ISF will rapidly elect a new master switch to resume services and
implement 1:1 device backup. ISF links between member switches support link
aggregation, and the physical links between the ISF and the upstream or downstream
device also support link aggregation. Multiple links can back up each other and balance
load with each other. In this way, backup of multiple links improves ISF reliability.
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