5 - 24 WiNG 5.5 Access Point System Reference Guide
8. Define the following Cisco Discovery Protocol (CDP) and LLDP parameters to apply to the Ethernet port configuration:
9. Define the following Switching Mode parameters to apply to the Ethernet port configuration:
10. Optionally select the Port Channel option and define a setting from 1 - 8 using the spinner control. This sets the channel
group for the port.
11. Select OK to save the changes made to the Ethernet Port Basic Configuration. Select Reset to revert to the last saved
configuration.
12. Select the Security tab.
Cisco Discover Protocol
Receive
Select this option to allow the Cisco discovery protocol for receiving data on this port. If
enabled, the port sends out periodic interface updates to a multicast address to advertise
its presence to neighbors. This option is enabled by default.
Cisco Discover Protocol
Transmit
Select this option to allow the Cisco discovery protocol for transmitting data on this port.
If enabled, the port sends out periodic interface updates to a multicast address to
advertise its presence to neighbors. This option is enabled by default.
Link Layer Discovery
Protocol Receive
Select this option to snoop LLDP on this port. If enabled, the port sends out periodic
interface updates to a multicast address to advertise its presence to neighbors. This
option is enabled by default.
Link Layer Discovery
Protocol Transmit
Select this option to transmit LLDP PDUs on this port. If enabled, the port sends out
periodic interface updates to a multicast address to advertise its presence to neighbors.
Mode Select either the Access or Trunk radio button to set the VLAN switching mode over the
port. If Access is selected, the port accepts packets only form the native VLANs. Frames
are forwarded out the port untagged with no 802.1Q header. All frames received on the
port are expected as untagged and are mapped to the native VLAN. If the mode is set to
Trunk, the port allows packets from a list of VLANs you add to the trunk. A port configured
as Trunk supports multiple 802.1Q tagged VLANs and one Native VLAN which can be
tagged or untagged. Access is the default mode.
Native VLAN Use the spinner control to define a numerical Native VLAN ID from 1 - 4094. The native
VLAN allows the access point to associate untagged frames to a VLAN when no 802.1Q
frame is included in the frame. Additionally, the native VLAN is the VLAN which untagged
traffic will be directed over when using a port in trunk mode. The default VLAN is 1.
Tag Native VLAN Select this option to tag the native VLAN. The IEEE 802.1Q specification is supported for
tagging frames and coordinating VLANs between devices. IEEE 802.1Q adds four bytes to
each frame identifying the VLAN ID for upstream devices that the frame belongs. If the
upstream Ethernet device does not support IEEE 802.1Q tagging, it does not interpret the
tagged frames. When VLAN tagging is required between devices, both devices must
support tagging and be configured to accept tagged VLANs. When a frame is tagged, the
12 bit frame VLAN ID is added to the 802.1Q header so upstream Ethernet devices know
which VLAN ID the frame belongs to. The device reads the 12 bit VLAN ID and forwards
the frame to the appropriate VLAN. When a frame is received with no 802.1Q header, the
upstream device classifies the frame using the default or native VLAN assigned to the
Trunk port. The native VLAN allows an Ethernet device to associate untagged frames to a
VLAN when no 802.1Q frame is included in the frame. This feature is disabled by default.
Allowed VLANs Selecting Trunk as the mode enables the Allowed VLANs parameter. Add VLANs that
exclusively send packets over the listed port.
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