iES26GF
User’s
Manual
UM-iES26GF-1.2.3-EN.docx
Pages 49 of 169
5.4
Redundancy
iRing Configuration
iS5 supports three ring topologies:
Ring M aster
,
Coupling Ring
, and
Dual Homing
. You can
configure the settings in the interface below.
Figure 55- iRing Configuration interface
The following table describes the columns and labels for the
iRing Configuration
screen.
Label
Description
iRing
Check to enable
iRing
topology.
Ring Master
Only one ring master is allowed in a ring. However, if more than
one switch is set to enable
Ring Master
, the switch with the lowest
MAC address will be the active ring master and the others will be
backup masters.
1
st
Ring Port
The primary ring port
2
nd
Ring Port
The backup ring port
Coupling Ring
Having a check mark to enable
Coupling Ring
.
Coupling Ring
can
divide a big ring into two smaller rings to avoid network topology
changes affecting all switches. This is a good method for
connecting two rings.
Coupling Port
Used for connecting multiple rings. A coupling ring needs four
switches to build an active and a backup link. Links formed by the
coupling ports will run in active/backup mode.
Dual Homing
Check to enable
Dual Homing
. When
Dual Homing
is enabled,
the ring will be connected to normal switches through two RSTP
links (e.g. a backbone switch). The two links work in active/backup
mode and connect each ring to the normal switches in RSTP mode.
Save
Click
Save
to apply the configurations.
iChain
iChain is very easy to configure and manage. Only one edge port of the edge switch needs to be
defined. Other switches beside them just need to have iChain enabled.