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Policy Framework Configuration Guide - Juniper Networks

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Chapter 16: Summary of Traffic Sampling, Forwarding, and Monitoring <strong>Configuration</strong> Statements<br />

relay-agent-option<br />

Syntax<br />

relay-agent-option;<br />

Hierarchy Level<br />

[edit logical-systems routing-instances instance-name forwarding-options helpers bootp],<br />

[edit forwarding-options helpers bootp],<br />

[edit routing-instances instance-name forwarding-options helpers bootp],<br />

Release Information Statement introduced in Junos OS Release 8.0.<br />

Description<br />

Enables the DHCP relay agent information option which allows DHCP to forward<br />

information between different VRF routing instances. The functionality is described in<br />

RFC 3046, DHCP Relay Agent Information Option. For the Junos OS implementation, the<br />

DHCP option number is 82 and the suboption ID is 1. The suboption length is the length<br />

required to contain an interface name in addition to the terminating null character. The<br />

overall option length is the suboption length plus 2 bytes (for the option header). The<br />

DHCP relay agent information option is only present on packets sent between the relay<br />

and the DHCP server.<br />

Required Privilege<br />

Level<br />

Related<br />

Documentation<br />

interface—To view this statement in the configuration.<br />

interface-control—To add this statement to the configuration.<br />

• Configuring Routers, Switches, and Interfaces as DHCP and BOOTP Relay Agents on<br />

page 369<br />

route-accounting<br />

Syntax<br />

route-accounting;<br />

Hierarchy Level<br />

[edit forwarding-optionsfamily inet6]<br />

Release Information Statement introduced in Junos OS Release 8.3.<br />

Description<br />

Configure the routing platform to track IPv6 traffic passing through the router.<br />

Default<br />

Disabled<br />

Required Privilege<br />

Level<br />

Related<br />

Documentation<br />

interface—To view this statement in the configuration.<br />

interface-control—To add this statement to the configuration.<br />

• Configuring IPv6 Accounting on page 364<br />

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

445

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