Avaya Configuring Traffic Filters and Protocol Prioritization Manuel d'utilisateur télécharger pdf (Page 106)

Configuring Traffic Filters and Protocol Prioritization

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308645-15.0 Rev 00

Figure 6-7. Add User-Defined Field Window

Changing Inbound Traffic Filter Precedence

You can assign as many as 31 inbound traffic filters per protocol to each router

interface. You can assign as many as 127 inbound traffic filters for IP.

As you add filters to an interface, the Configuration Manager numbers them

chronologically (#1, #2, #3, and so on, as shown in Figure 6-8). The number

determines the filter precedence; lower filter numbers have higher precedence.

If a packet matches two filters, the filter with the highest precedence (lowest

number) applies. For example, if the first filter on the interface (#1) accepts a

packet and the second filter (#2) drops the same packet, filter #1 has precedence

and the interface accepts the packet.

Figure 6-8 shows how the Filters window displays the filters on an interface. The

first filter listed has the highest precedence.

You should create filters on an interface in order of precedence. However, if you

do not, or if your filtering strategy changes, you can use the Filters window to

rearrange the precedence of existing filters.

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Avaya Configuring Traffic Filters and Protocol Prioritization Manuel d'utilisateur Page 106