HP Switch 6120 Manuale Utente Scaricare il pdf (Pagina 316)

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9-6

Traffic/Security Filters and Monitors

Filter Types and Operation

Figure 9-3. The Filter for the Actions Shown in Figure 9-2

Named Source-Port Filters

You can specify named source-port filters that may be used on multiple ports

and port trunks. A port or port trunk can only have one source-port filter, but

by using this capability you can define a source-port filter once and apply it

to multiple ports and port trunks. This can make it easier to configure and

manage source-port filters on your switch. The commands to define,

configure, apply, and display the status of named source-port filters are

described below.

Operating Rules for Named Source-Port Filters

■ A port or port trunk may only have one source-port filter, named or

not named.

■ A named source-port filter can be applied to multiple ports or port

trunks.

■ Once a named source-port filter is defined, subsequent changes only

modify its action, they don’t replace it.

■ To change the named source-port filter used on a port or port trunk,

the current filter must first be removed, using the no filter source-port

named-filter <filter-name > command.

This list shows the filter created

to block (drop) traffic from

source port 5 (workstation "X") to

destination port 7 (server "A").

Notice that the filter allows

traffic to move from source port

5 to all other destination ports.

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HP Switch 6120 Manuale Utente Pagina 316

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