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Home Documentation Junos OS Junos CLI Reference CLI Reference D

Junos CLI Reference

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Junos CLI Reference
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dscp (Multifield Classifier)

date_range 19-Nov-23
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Syntax

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dscp [0 | value];

Hierarchy Level

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[edit firewall family family-name filter filter-name term term-name then]

Description

Set the IPv4 Differentiated Services code point (DSCP) bit. You can specify a numerical value from 0 through 63. To specify the value in hexadecimal form, include 0x as a prefix. To specify the value in binary form, include b as a prefix.

The default DSCP value is be (best effort), or 0.

For M320 and T Series routers, set the DSCP field of incoming or outgoing packets to 000000. On the same packets, you can use a behavior aggregate (BA) classifier and a rewrite rule to rewrite the MPLS EXP field.

For MX Series routers with MPCs and EX Series switches, the DSCP field can be set from a numeric range.

For MX Series routers and EX Series switches, if you configure a firewall filter with a dscp action or traffic-class action on a DPC, the commit fails.

If you apply a firewall filter with a dscp action on an AE member interface, the commit fails. However, you can apply a firewall filter with a dscp action on a full AE interface.

Options

value—For MX Series routers with MPCs, specify the field of incoming or outgoing packets in the range from 0 through 63.

Required Privilege Level

firewall—To view this statement in the configuration.

firewall-control—To add this statement to the configuration.

Release Information

Statement introduced in Junos OS Release 7.4.

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