Cisco WS-C6506 User Manual

36-3
Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
OL-8978-04
Chapter 36 Configuring Layer 3 Protocol Filtering
Configuring Layer 3 Protocol Filtering on the Switch
Enabling Layer 3 Protocol Filtering
Note Protocol filtering is supported only on the Ethernet VLANs and on the nontrunking EtherChannel ports.
The set protocolfilter command is not supported on the Network Analysis Module (NAM), the
Supervisor Engine 720, or the Supervisor Engine 32.
To enable Layer 3 protocol filtering on the Ethernet ports, perform this task in privileged mode:
This example shows how to enable Layer 3 protocol filtering, set the protocol membership of the ports,
and verify the configuration:
Console> (enable) set protocolfilter enable
Protocol filtering enabled on this switch.
Console> (enable) set port protocol 7/1-4 ip on
IP protocol set to on mode on ports 7/1-4.
Console> (enable) set port protocol 7/1-4 ipx off
IPX protocol disabled on ports 7/1-4.
Console> (enable) set port protocol 7/1-4 group auto
Group protocol set to auto mode on ports 7/1-4.
Console> (enable) show port protocol 7/1-4
Port Vlan IP IP Hosts IPX IPX Hosts Group Group Hosts
-------- ---------- -------- -------- -------- --------- -------- -----------
7/1 4 on 1 off 0 auto-off 0
7/2 5 on 1 off 0 auto-on 1
7/3 2 on 1 off 0 auto-off 0
7/4 4 on 1 off 0 auto-on 1
Console> (enable)
Disabling Layer 3 Protocol Filtering
To disable Layer 3 protocol filtering, perform this task in privileged mode:
This example shows how to disable Layer 3 protocol filtering:
Console> (enable) set protocolfilter disable
Protocol filtering disabled on this switch.
Console> (enable)
Task Command
Step 1
Enable Layer 3 protocol filtering on the switch. set protocolfilter enable
Step 2
Set the protocol membership of the desired ports. set port protocol mod/port {ip | ipx | group} {on
| off | auto}
Step 3
Verify the port filtering configuration. show port protocol [mod[/port]]
Task Command
Disable Layer 3 protocol filtering on the switch. set protocolfilter disable

Cisco WS-C6506 Specifications

General

Brand	Cisco
Model	WS-C6506
Category	Switch
Language	English