Avaya Configuring Traffic Filters and Protocol Prioritization Manual do Utilizador descarregar pdf (Página 114)

Configuring Traffic Filters and Protocol Prioritization

6-22

Changing Filter Precedence

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

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

them chronologically (rule #1, rule #2, rule #3, and so on). The rule number

determines the ﬁlter precedence; lower rule 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 (rule #1) accepts a

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

precedence and the packet will be accepted.

Figure 6-17 shows how the Trafﬁc Filters window displays the ﬁlters on an

interface. The ﬁrst ﬁlter created has the highest precedence and the rule number 1.

Figure 6-17. Trafﬁc Filters List (in Order Created)

Try to create ﬁlters on an interface in order of precedence. However, if you can’t,

or if your ﬁltering strategy changes, you can use the Trafﬁc Filters window to

rearrange the precedence of existing ﬁlters.

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Avaya Configuring Traffic Filters and Protocol Prioritization Manual do Utilizador Página 114