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ISCOM2600G-HI (A) Series Configuration Guide
When a switch runs in standalone mode, its default member ID is 1. When it joins the ISF but
its member ID conflicts with that of an existing ISF member, it will fail to join the ISF. In this
case, you should plan and configure member IDs uniformly to ensure uniqueness of ISF
member IDs.
The member ID ranges from 1 to 9.
ISF interfaces
An ISF interface is a logical interface specially used for the ISF. If the member ID of an ISF
interface is N, its interface IDs will be ISF-PortN/1/1 and ISF-PortN/1/2. The interface ID will
take effect after the ISF interface is bound with a physical interface. An ISF interface can be
bound with one or more ISF physical interfaces to increase bandwidth and reliability of ISF
links. At present, the ISCOM2600G-HI series switch support binding an ISF interface with up
to 8 physical interfaces. For a dual-chip device, physical interfaces connected to different
chips cannot be bound with the same ISF interface while those connected to the same chip
cannot be bound with different ISF interfaces.
In standalone mode, IDs of ISF interfaces are ISF-Port1/1/1 and ISF-Port1/1/2. In ISF
mode, IDs of ISF interfaces are ISF-PortN/1/1 and ISF-PortN/2/1; in the IDs, N is the
member ID. To be brief, this document uses ISF-Port1 and ISF-Port2 uniformly.
ISF physical interface
An ISF physical interface is a physical interface used for the ISF. A physical interface can be
an optical interface which usually forwards service packets. When a physical interface is
bound with an ISF interface, it becomes an ISF physical interface which forwards packets
between member devices. These packets include negotiation packets related to the ISF and
service packets forwarded between member devices.
ISF merge
As shown in Figure 3-3, two ISFs run stably. The process of physically connecting and
configuring these two ISFs to form a new ISF is called ISF merge.
Figure 3-3 ISF merge
ISF split
As shown in Figure 3-4, an ISF has formed, but it has a link fault which causes two
neighboring members of the ISF to be disconnected. The process of an ISF to be split into two
ISFs is called ISF split.
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