Allied Telesis AT-8550 - Manual (Page 79)

AT-9108, AT-8518, AT-8525, and AT-8550 User’s Guide
4-13
Note
For more information on SNAP for Ethernet protocol types, see
TR 11802-5:1997 (ISO/IEC) [ANSI/IEEE std. 802.1H, 1997 Edition].
Deleting a Protocol Filter. If a protocol filter is deleted from a VLAN,
the VLAN is assigned a protocol filter of
none . You can continue to
configure the VLAN. However, no traffic is forwarded to the VLAN
until a protocol is assigned to it.
Precedence of
Tagged Packets
Over Protocol
Filters
If a VLAN is configured to accept tagged packets on a particular port,
incoming packets that match the tag configuration take precedence
over any protocol filters associated with the VLAN.