going through the phone. When in Full VLAN separation mode, the internal phone switch will
filter any tagged VLAN frames with VLANs other than voice VLAN (L2QVLAN) and data
VLAN (PHY2VLAN) in any case. However, you must configure only the necessary VLANs on
the external switch port.
• Set the default VLAN as the data VLAN (PHY2VLAN). This is the VLAN assigned by the
external switch port to untagged frames received from phone LAN port.
• Configure one of the following for egress tagging:
- Data VLAN is untagged and voice VLAN is tagged.
- Data VLAN and voice VLAN are both tagged. You must configure this option to have Full
VLAN separation.
Sending egress voice VLAN frames untagged from the external switch port to the phone LAN port
means that there is no VLAN separation between the voice VLAN and data VLAN.
Related links
Virtual LAN (VLAN) overview on page 114
Exceptions to the VLAN forwarding rules
Exceptions to the VLAN forwarding rules are as follows:
• LLDP frames are always exchanged between the following in all VLAN separation modes:
- The LAN port and CPU port
- The CPU port and LAN port
• Spanning tree frames are always exchanged between the LAN port and PC port in all VLAN
separation modes.
• 802.1x frames are always exchanged between the following in all VLAN separation modes
according to DOT1XSTAT and DOT1X configuration:
- The LAN and CPU port or PC port
- The PC and CPU port or LAN port
- The CPU port and LAN port
Related links
Virtual LAN (VLAN) overview on page 114
Special considerations
Special use of VLAN ID=0
The phone adds a VLAN tag to the egress voice frames with a VLAN ID=0 in certain
configurations. For example, to utilize the priority functionality of the VLAN frame only and not the
VLAN ID properties. In this case, use the parameter L2QAUD or L2QSIG to set the value of the
VLAN priority portion of the VLAN tag.
Configuring servers and VLAN
December 2018 Installing and Administering Avaya J100 Series IP Phones 118
Comments on this document? infodev@avaya.com
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