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Sample Ethernet Ring Protection Configuration Configuring ERP
page 11-22 OmniSwitch AOS Release 7 Network Configuration Guide June 2013
Sample Ethernet Ring Protection Configuration
This section provides an example network configuration in which ERP is configured on network switches
to maintain a loop-free topology. In addition, a tutorial is also included that provides steps on how to
configure the example network topology using the Command Line Interface (CLI).
Example ERP Overview
The following diagram shows a five-switch ERP ring configuration:
Configuring the sample ERP ring network shown in the above diagram involves the following tasks:
1
Configure an ERP ring with ERP ring ID 1 on all switches in the network.
2
Define an ERP Service VLAN as VLAN 10 on all switches.
3
Set the Management Entity Group (MEG) level to 2 for all switches.
4
Switch C is the RPL owner; configure the port connected to the Ring Protection Link as a RPL port.
5
Enable the configured ERP ring.
6
Assign VLANs 11-20 as a protected VLANs to ERP ring 1.
7
Use the default settings for the guard timer and WTR timer values. These values can be adjusted as
necessary.
Switch D Switch D
Switch C Switch C
Switch E Switch E
Switch A Switch A
Switch B Switch B
Fa
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Fa
1/2
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Fa
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F
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1
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F
a
2
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[1
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Fa 2/2
[172.16.1.5]
Fa 1/1
[172.16.1.6]
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6
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RPL
Port
RI
NG
L
IN
K
R
IN
G
L
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K
R
IN
G
L
IN
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RING LINK
RIN
G P
rote
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n L
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)
RPL Owner