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Understanding DSCP IPv6 Rewrite Rules

After Junos OS CoS processing, a rewrite rule maps the forwarding class and loss priority after Junos OS CoS processing to a corresponding DSCP value specified in the rule. Typically, you use rewrite rules to alter the CoS values in outgoing packets to meet the requirements of the targeted peer.

You can use the CLI show command to display the configuration for the CoS classifiers. The following command shows the configuration of the default DSCP IPv6 rewrite rule: