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Policy Framework Configuration Guide - Juniper Networks

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Chapter 6: Extended Actions <strong>Configuration</strong><br />

Requirements<br />

Before you begin:<br />

• Configure the router interfaces. See the Network Interfaces <strong>Configuration</strong> <strong>Guide</strong>.<br />

• Configure an interior gateway protocol or static routing. See the Routing Protocols<br />

<strong>Configuration</strong> <strong>Guide</strong>.<br />

Overview<br />

This example shows a sample topology and configuration to perform the following tasks:<br />

• Load balancing VPLS multicast traffic over link aggregation<br />

• Load balancing P2MP multicast traffic over link aggregation<br />

• Re-load balancing after a change in the nexthop topology<br />

Nexthop topology changes might include but are not limited to:<br />

• L2 membership change in the link aggregation<br />

• Indirect nexthop change<br />

• Composite nexthop change<br />

Figure 12 on page 153 shows the topology for this example. The example includes the<br />

configuration for PE1 and PE2.<br />

Figure 12: Multicast Load Balancing over Aggregated Ethernet Links<br />

AE links<br />

AE links<br />

PE1<br />

PE2<br />

CE2<br />

AE links<br />

AE links<br />

P<br />

AE links<br />

PE3<br />

g040625<br />

<strong>Configuration</strong><br />

CLI Quick<br />

<strong>Configuration</strong><br />

To quickly configure load balancing across aggregated Ethernet links, copy the following<br />

commands into a text file, remove any line breaks, and then paste the commands into<br />

the CLI.<br />

PE1:<br />

Copyright © 2010, <strong>Juniper</strong> <strong>Networks</strong>, Inc.<br />

153

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