Types of VLANs
ExtremeWare XOS 11.3 Concepts Guide
227
For example:
create protocol fred
The protocol name can have a maximum of 32 characters.
2 Configure the protocol using the following command:
configure protocol <name> add [etype | llc | snap] <hex> {[etype | llc | snap]
<hex>} ...
Supported protocol types include:
■etype—EtherType.
The values for
etype are four-digit hexadecimal numbers taken from a list maintained by the
IEEE. This list can be found at the following URL:
http://standards.ieee.org/regauth/ethertype/index.html
■llc—LLC Service Advertising Protocol (SAP).
The values for
llc are four-digit hexadecimal numbers that are created by concatenating a two-
digit LLC Destination SAP (DSAP) and a two-digit LLC Source SAP (SSAP).
■snap—Ethertype inside an IEEE SNAP packet encapsulation.
The values for
snap are the same as the values for etype, described previously.
For example:
configure protocol fred add llc feff
configure protocol fred add snap 9999
A maximum of 15 protocol filters, each containing a maximum of 6 protocols, can be defined. No more
than 7 protocols can be active and configured for use.
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 any. 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.
Default VLAN
The switch ships with one default VLAN that has the following properties:
â—Ź The VLAN name is default.
â—Ź It contains all the ports on a new or initialized switch.
To Next Page
Loading...
Need help?
General
