12-20
Traffic/Security Filters and Monitors
Configuring Traffic/Security Filters
Figure 12-14. Assigning Additional Destination Ports to an Existing Filter
Configuring a Multicast or Protocol Traffic Filter
Syntax: [no] filter
[multicast < mac- address >]
Specifies a multicast address. Inbound traffic received
(on any port) with this multicast address will be
filtered. (Default: Forward on all ports.)
The no form of the command deletes the multicast filter
for the < mac-address > multicast address and returns
the destination ports for that filter to the Forward action.
[< forward | drop > < port-list >]
Specifies whether the designated destination port(s)
should forward or drop the filtered traffic.
[protocol < ip | ipx | arp | appletalk | sna | netbeui >]
Specifies a protocol type. Traffic received (on any port)
with this protocol type will be filtered. (Default:
Forward on all ports.)
The no form of the command deletes the protocol filter
for the specified protocol and returns the destination
ports for that filter to the Forward action.
[< forward | drop > < port-list >]
Specifies whether the designated destination port(s)
should forward or drop the filtered traffic.
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