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Optimizing Traffic Flow with Port Controls, Port Trunking, and Filters
Traffic/Security Filters
Protocol Filters
This filter type enables the switch to forward or drop, on the basis of protocol
type, traffic to a specific set of destination ports on the switch. Filtered
protocol types include:
AppleTalk
IP SNA
ARP IPX
DEC LAT NetBEUI
Only one filter for a particular protocol type can be configured at any one time.
For example, a separate protocol filter can be configured for each of the
protocol types listed above, but only one of those can be an IP filter. Also, the
destination ports for a protocol filter can be on different VLANs.
You can configure up to seven protocol filters.
Source-Port Filters
This filter type enables the switch to forward or drop traffic from all end nodes
on the indicated source-port to specific destination ports. If VLANs are
configured, the destination port must be in the same VLAN as the source-port.
Only one source-port filter can be configured for each of the ports in the
switch.
You can configure all destination ports in the switch on a single source-port
filter.
No t e If more than one VLAN is configured, then the set of destination ports (Dest
Port parameter) can consist of only the destination ports that are in the same
VLAN as the source-port.
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