Extreme Networks Summit1 - Manual (Page 99)

S UMMIT S WITCH I NSTALLATION AND U SER G UIDE 5-13
VLAN N AMES
— snap — Ethertype inside an IEEE SNAP packet encapsulation.
The values for snap are the same as the values for etype , described previously.
config protocol fred add llc feff
config protocol fred add snap 9999
A maximum of seven protocol filters, each containing a maximum of six protocols, can
be defined, however no more than seven protocol should be active and configured for
use.
For more information on SNAP protocol for Ethernet protocol types, see TR
11802-5:1997 (ISO/IEC) [ANSI/IEEE std. 802.1H, 1997 Edition].
D ELETING A P ROTOCOL F ILTER
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.
P RECEDENCE OF T AGGED P ACKETS O VER P ROTOCOL F ILTERS
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 that are
associated with the VLAN.
VLAN N AMES
The Summit supports up to 256 different VLANs. Each VLAN is given a name that can
be up to 32 characters. VLAN names can use standard alphanumeric characters. The
following characters are not permitted in a VLAN name:
• Space
• Comma
• Quotation mark
VLAN names must begin with an alphabetical letter. Quotation marks can be used to
enclose a VLAN name that does not begin with an alphabetical character, or that
contains a space, comma, or other special character.
Summit.bk : 5VLAN.FM Page 13 Thursday, June 18, 1998 9:27 AM