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Junos OS Services Interfaces Configuration Guide - Juniper Networks

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<strong>Junos</strong> 11.2 <strong>Services</strong> <strong>Interfaces</strong> <strong>Configuration</strong> <strong>Guide</strong><br />

xxxvi<br />

Example: Sampling All FTP Traffic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 959<br />

Configuring Flow Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 960<br />

Configuring Flow-Monitoring <strong>Interfaces</strong> . . . . . . . . . . . . . . . . . . . . . . . . . . . . 960<br />

Configuring Flow-Monitoring Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . 962<br />

Directing Traffic to Flow-Monitoring <strong>Interfaces</strong> . . . . . . . . . . . . . . . . . . . 962<br />

Exporting Flows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 963<br />

Configuring Time Periods when Flow Monitoring is Active and<br />

Inactive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 963<br />

Example: Configuring Flow Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 964<br />

Enabling Flow Aggregation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 965<br />

Configuring Flow Aggregation to Use Version 5 or Version 8 cflowd . . . . . . . . . . 965<br />

Configuring Flow Aggregation to Use Version 9 Flow Templates . . . . . . . . . . . . 968<br />

Configuring the Traffic to Be Sampled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 969<br />

Configuring the Version 9 Template Properties . . . . . . . . . . . . . . . . . . . . . . 969<br />

Restrictions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 971<br />

Fields Included in Each Template Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 971<br />

MPLS Sampling Behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 972<br />

Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 973<br />

Examples: Configuring Version 9 Flow Templates . . . . . . . . . . . . . . . . . . . . . 973<br />

Configuring Sampling Instances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 977<br />

Configuring Inline Flow Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 979<br />

Configuring Inline Flow Monitoring on MX80 Routers . . . . . . . . . . . . . . . . . . . . . . 981<br />

Directing Replicated Flows to Multiple Flow Servers . . . . . . . . . . . . . . . . . . . . . . 982<br />

Directing Replicated Routing Engine–Based Sampling Flows to Multiple<br />

Servers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 982<br />

Directing Replicated Version 9 Flow Aggregates to Multiple Servers . . . . . . 983<br />

Logging cflowd Flows Before Export . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 984<br />

Configuring Port Mirroring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 985<br />

Configuring Tunnels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 987<br />

Port Mirroring with Next-Hop Groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 987<br />

Filter-Based Forwarding with Multiple Monitoring <strong>Interfaces</strong> . . . . . . . . . . . 988<br />

Restrictions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 989<br />

Configuring Port Mirroring on <strong>Services</strong> <strong>Interfaces</strong> . . . . . . . . . . . . . . . . . . . . . 989<br />

Examples: Configuring Port Mirroring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 990<br />

Load Balancing Among Multiple Monitoring <strong>Interfaces</strong> . . . . . . . . . . . . . . . . . . . . 996<br />

Configuring Discard Accounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000<br />

Enabling Passive Flow Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1001<br />

Passive Flow Monitoring for MPLS Encapsulated Packets . . . . . . . . . . . . . 1003<br />

Removing MPLS Labels from Incoming Packets . . . . . . . . . . . . . . . . . 1003<br />

Example: Enabling IPv4 Passive Flow Monitoring . . . . . . . . . . . . . . . . . . . . 1004<br />

Example: Enabling IPv6 Passive Flow Monitoring . . . . . . . . . . . . . . . . . . . . 1006<br />

Configuring <strong>Services</strong> Interface Redundancy with Flow Monitoring . . . . . . . . . . 1008<br />

Chapter 48 Summary of Flow-Monitoring <strong>Configuration</strong> Statements . . . . . . . . . . . . . 1011<br />

accounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1012<br />

address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1013<br />

aggregate-export-interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1013<br />

aggregation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1014<br />

Copyright © 2011, <strong>Juniper</strong> <strong>Networks</strong>, Inc.

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