user manual

3-28
Cisco Aironet 1200 Seres Access Point Software Configuration Guide
OL-2159-05
Chapter 3 Radio Configuration and Basic Settings
Ethernet Configuration
• Blocking—The port is blocking transmission. Blocking is always displayed when there are no
clients associated to the access point.
• Broken—This state reports an Ethernet port failure.
Requested Status
This setting is useful for troubleshooting problems on your network. Up, the default setting, enables the
Ethernet port for normal operation. Down disables the access point’s Ethernet port.
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 5-7 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.
Note For most configurations, you should leave Default Multicast Address Filter set to Allowed. If you intend
to set it to Disallowed, add the broadcast MAC address (ffffffffffff) to the list of allowed addresses on
the Address Filters page before changing the setting to prevent being locked out of the access point.
Note If you plan to discard traffic to all MAC addresses except those you specify (the Disallowed setting), be
sure to enter your own MAC address as allowed on the Address Filters page to prevent being locked out
of the access point.