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Cisco Aironet 1200 Series Access Point Software Configuration Guide
OL-2159-01
Chapter 3 Configuration
Ethernet Configuration
The Current Status line under the setting displays the current status of the Ethernet
port. This field can also display Error, meaning the port is in an error condition.
Packet Forwarding
This setting is always set to Enabled for normal operation. For troubleshooting,
you might want to set packet forwarding to Disabled, which prevents data from
moving between the Ethernet and the radio.
The Forwarding State line under the setting displays the current forwarding state.
The state for normal operation is Forwarding. Four other settings are possible:
• Unknown—The state cannot be determined.
• Disabled—Forwarding capabilities are disabled.
• Blocking—The port is blocking transmission.
• Broken—This state reports an Ethernet port failure.
Default Unicast and Multicast Address Filters
MAC address filters allow or disallow the forwarding of unicast and multicast
packets sent to specific MAC addresses. You can create a filter that passes traffic
to all MAC addresses except those you specify, or you can create a filter that
blocks traffic to all MAC addresses except those you specify. Read the “Creating
a MAC Address Filter” section on page 3-14 for complete instructions on setting
up MAC address filters.
Unicast packets are addressed to just one device on the network. Multicast packets
are addressed to multiple devices on the network.
The pull-down menus for unicast and multicast address filters contain two
options:
• Allowed—The access point forwards all traffic except packets sent to the
MAC addresses listed as disallowed on the Address Filters page.
• Disallowed—The access point discards all traffic except packets sent to the
MAC addresses listed as allowed on the Address Filters page.
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