Nortel Networks 2300 manual Type, length, and value See TLV

Glossary 629

type, length, and value See TLV.

U-NIIUnlicensed National Information Infrastructure. Three unlicensed frequency bands of 100 MHz each in the 5 GHz band, designated by the U.S. Federal Communications Commission (FCC) to provide high-speed wireless networking. The three frequency bands—5.15 GHz through 5.25 GHz (for indoor use only),

5.25 GHz through 5.35 GHz, and 5.725 GHz through 5.825 GHz—were allocated in 1997.

Unlicensed National Information Infrastructure See U-NII.

user A person who uses a client. In a Nortel WLAN 2300 System, users are indexed by username and associated with authorization attributes such as user group membership.

user wildcard A Nortel convention for matching fully qualified structured usernames or sets of usernames during authentication by means of known characters plus two special “wildcard” characters. Double asterisks (**) represent all usernames. A single asterisk (*) can appear either before or after the delimiter in a user wildcard and can represent any number of characters up to the next delimiter. A delimiter can be an at (@) sign or a dot (.). See also MAC address wildcard; VLAN wildcard.

user group A collection of users with the same authorization attributes.

vendor-specific attribute See VSA.

virtual LAN See VLAN.

VLAN Virtual LAN. A set of ports that share a single Layer 2 network. Because the ports that constitute a VLAN can be on a single network device or multiple devices, VLANs enable you to partition a physical network into logical networks that meet the needs of your organization. You can divide a single device into multiple logical Layer 2 switches, with each VLAN operating as a separate switch, or make multiple devices members of multiple logical Layer 2 networks. By default, all WLAN—Security Switch (WSS) switch ports are members of VLAN 1, which is named default.

VLAN wildcard A Nortel convention for applying the authentication, authorization, and accounting

(AAA)attributes in the location policy on an WSS switch to one or more users, based on a virtual LAN (VLAN) attribute. To specify all VLANs, use the double-asterisk (**) wildcard characters. To match any number of characters up to, but not including a delimiter character in the wildcard, use the single-asterisk wildcard. Valid VLAN wildcard delimiter characters are the at (@) sign and the dot (.). See also location policy; MAC address wildcard; user wildcard.

Voice over IP See VoIP.

VoIP Voice over IP. The ability of an IP network to carry telephone voice signals as IP packets in compliance with International Telecommunications Union Telecommunication Standardization Sector (ITU-T) specification H.323. VoIP enables a router to transmit telephone calls and faxes over the Internet with no loss in functionality, reliability, or voice quality.

VSA Vendor-specific attribute. A type of RADIUS attribute that enables a vendor to extend RADIUS operations to fit its own products, without conflicting with existing RADIUS attributes or the VSAs of other companies. Companies can create new authentication and accounting attributes as VSAs.

watch list A WLAN Management Software method for monitoring user location and activity. After initially finding a user through WLAN Management Software , you can add the user to the watch list for continued monitoring. WLAN Management Software tracks and displays such information as the Access Point (AP) access port(s) that a user is associated with during a session, the server that authenticated the user, and the session start and stop times.

Nortel WLAN Security Switch 2300 Series Configuration Guide