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Layer 2 Switching Commands 471

User Guidelines

This command configures the list of VLANs that are protected by the ERP

instance. Only VLANs that are participating in both the ring ports of an

instance are monitored by the ERP instance. A VLAN may only be configured

for one instance. Configuring a VLAN in more than one ERP instance causes

undefined behavior.

Example

This example configures a closed ring node for interface Te1/0/1 and Te1/0/2

using data VLANs 101-103. It assumes that VLANs 100-103 are already

created. A single instance is created and associated with ERP profile1. The

profile sets the hold-off timer to 500 milliseconds. Interface Te1/0/2 is

configured in the Owner role. Interface Te1/0/2 connects to an adjacent

switch port Te1/0/1. Traffic is blocked on these two ports under normal

conditions. VLANs 101-103 are protected. VLAN 100 is used as the

Automatic Protection Switching (APS) VLAN.

console (config)# ethernet ring g8032 ring1

console (config-erp-ring1)#timer hold-off 500

console (config-erp-ring1)#inclusion-list vlan-ids 101-103

console (config-erp-ring1)#port0 interface te1/0/1

console (config-erp-ring1)#port1 interface te1/0/2

console (config-erp-ring1)#instance 1

console (config-erp-inst-1)#rpl port1 owner

console (config-erp-inst-1)#aps-channel

console (config-erp-inst-1-aps)#level 7

console (config-erp-inst-1-aps)#raps-vlan 100

On the adjacent switch: