Allied Telesis x900-48FE-N User Manual

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Page 11 | AlliedWare™ OS How To Note: EPSR
Example 1: A Basic Ring
Example 1: A Basic Ring
This example builds a simple 3-switch ring with one data VLAN, as shown in the following 
diagram. Control packets are transmitted around the ring on vlan1000 and data packets on 
vlan2.
Configure the Master Node (A)
 
create vlan=vlan1000 vid=1000
 
add vlan=1000 port=1-2 frame=tagged
create vlan=vlan2 vid=2
 
The two ring ports must belong to the control VLAN and all data VLANs.
add vlan=2 port=1-2 frame=tagged
1. Create the control VLAN
2. Add the ring ports to the control VLAN
3. Create the data VLAN
4. Add the ring ports to the data VLAN
Master 
Node
(A)
Transit
Node
(C)
Transit 
Node
(B)
epsr-example-basic-ring
End User Ports 
S
P
End User Ports 
End User Ports 
port 1: primary
port 2: secondary
port 1: ring
port 2: ring
port 1: ring
port 2: ring