Avaya Configuring Traffic Filters and Protocol Prioritization Manuel d'utilisateur télécharger pdf (Page 138)

Configuring Traffic Filters and Protocol Prioritization

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For every packet that matches the filter criteria, the router sends an entry to

the system event log. You can specify the log action in combination with other

actions.

In addition to the accept, drop, and log actions common to all inbound traffic

filters, you can also specify the following actions:

• Forward to next hop

• Drop if next hop is unreachable

• Forward to IP address

• Forward to next-hop interfaces

• Forward to first up next-hop interface

• Detailed logging

For information about changing IP actions for traffic filters and templates, see

“Specifying the Action of Inbound Traffic Filters and Templates” on page 8-16.

Extended and Nonextended Filtering Modes

By default, the router operates in nonextended filtering mode upon initial boot-up.

In nonextended mode, you can configure from 1 through 31 traffic filters per IP

interface.

Using the Technician Interface, you can enable extended filtering mode by setting

the MIB variable wfIpBaseExtendedTrafficFilterSupport to enable. The router

restarts the IP protocol, reading currently configured IP traffic filters into the

router’s configuration. You use extended filtering mode only when you need to

configure more than 31 traffic filters on a single IP interface.

The BCC automatically turns on extended filtering mode when you configure the

thirty-second traffic filter on the same interface. After extended filtering mode is

enabled, the system remains in that mode; it does not revert back to nonextended

filtering mode if the number of filters on an interface drops below 32.

Using the Technician Interface, you can set the mode back to nonextended, but be

aware that the router reads back only up to 31 filters into the configuration. The

router does not retain more than 31 filters unless you first save them to a

configuration file.

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Avaya Configuring Traffic Filters and Protocol Prioritization Manuel d'utilisateur Page 138