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Multifield Classification Requirements and Restrictions

This topic covers the following information:

Supported Platforms

The loss-priority firewall filter action is supported on the following routing platforms only:

M7i and M10i routers with the Enhanced CFEB (CFEB-E)
M120 and M320 routers
MX Series routers
T Series routers with Enhanced II Flexible PIC Concentrators (FPCs)

CoS Tricolor Marking Requirement

The loss-priority firewall filter action has platform-specific requirements dependencies on the CoS tricolor marking feature, as defined in RFC 2698:

On an M320 router, you cannot commit a configuration that includes the loss-priority firewall filter action unless you enable the CoS tricolor marking feature.
On all routing platforms that support the loss-priority firewall filter action, you cannot set the loss-priority firewall filter action to medium-low or medium-high unless you enable the CoS tricolor marking feature. .

To enable the CoS tricolor marking feature, include the tri-color statement at the [edit class-of-service] hierarchy level.

Restrictions

You cannot configure the loss-priority and three-color-policer nonterminating actions for the same firewall filter term. These two nonterminating actions are mutually exclusive.