How To Configure Rep; Configuring The Rep Administrative Vlan - Cisco ASR 900 Series Configuration Manual

Lan switching

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How to Configure REP

port (P1 or P2) can send the Multiple Spanning Tree (MST) protocol, a Topology Change Notification (TCN),

and a REP TCN for another segment towards the aggregation switch.

Figure 5: Ring Topology with Edge No-Neighbor Ports

How to Configure REP

To avoid the delay introduced by relaying messages that are related to link-failures or VLAN-blocking

notifications during VLAN load balancing, REP floods packets at the hardware flood layer (HFL) to a regular

multicast address. These messages are flooded to the whole network and not just the REP segment. You can

control flooding of these messages by configuring an administrative VLAN for the whole domain.

Follow these guidelines when configuring the REP administrative VLAN:

• There can be only one administrative VLAN on a router and on a segment. However, this is not enforced

• If you do not configure an administrative VLAN, the default is VLAN 1.

• If you want to configure REP on an interface, ensure that the REP administrative VLAN is part of the

LAN Switching Configuration Guide Cisco IOS XE Everest 16.5.1 (Cisco ASR 900 Series)

by the software.

Trunk EFP encapsulation list.

Configuring Resilient Ethernet Protocol

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