# AP-2000 Help Contents |
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## Introducing the ORiNOCO AP-2000 device Wireless Networking Concepts Management and Monitoring Capabilities Active Ethernet 802.11b versus 802.11a Networks
| Remember to review the contents of this manual, especially sections on information you need, before performing an operation.
## Wireless Networking Concepts The AP-2000 provides wireless access to network infrastructures. As wireless clients move from one coverage cell to another, AP-2000 units automatically allow client roaming within the same subnet. To determine the best location for the Base Station units, we recommend conducting a Site Survey before placing the devices in their final locations. For information about how to conduct a Site Survey, contact your local reseller. Before the AP-2000 unit can be configured for your specific networking requirements, it must first be initialized. Initialization consists of setting a static IP address and the appropriate IP mask for the AP-2000 unit so that you can recognize it once it is located in your network. Standalone wireless network access infrastructure The network administrator can configure each unit according to the requirements for the network. The Access Point 2000 (AP-2000) functions as a wireless network access point to data networks. AP-2000 networks provide: Seamless client roaming Easy installation and operation Over-the-air encryption of data High speed network links To be fully operational, the AP-2000 needs at least one PC Card.
| PC Cards are not included with your kit and must be ordered as separate items. Note that you cannot insert an ORiNOCO 802.11a/b ComboCard into the AP-2000.
## Management and Monitoring Capabilities To configure the AP-2000 for your needs, set your specific network, wireless interface, and bridge parameters. The HTTP (web browser) Interface provides easy configuration and management. Wireless clients (computers connected to your network through a radio PC Card) use configuration software for network access. Once connected, users can roam from one coverage cell to another while maintaining their connection. There are three management and monitoring interfaces available to the network administrator to configure and manage the AP-2000 device(s) in the network: HTTP Interface Command Line Interface Full SNMP configuration capabilities ### HTTP Interface The HTTP Interface (Web browser Interface) provides easy access to configuration settings and network statistics from any computer in the network. Use the HTTP Interface through your LAN (switch, hub, etc.), through the Internet, or with a “crossover” Ethernet cable connected directly to your computer’s Ethernet Port.
| The HTTP Interface is not backwards compatible with Access Point 1000 hardware. To manage AP-1000 devices, use the AP Manager software.
### Command Line Interface The Command Line Interface (CLI) represents a set of keyboard commands and parameters used for configuring and managing the AP-2000. Users enter Command Statements, composed of CLI Commands and their associated parameters. Statements may be issued from the keyboard for real time control, or from scripts that automate configuration. For example, when downloading a file, administrators enter the download CLI Command along with IP Address, file name, and file type parameters. If necessary, use the CLI with your computer serial port to initialize the proper IP address for your network. The CLI provides configuration and management access for most generic Telnet and Terminal clients. Use the CLI through your computer serial port, over your LAN, through the Internet, or with a “crossover” Ethernet cable connected directly to your computer. Details of the CLI commands used to manage the AP-2000 device along with syntax and specific parameters names can be found in Using the Command Line Interface. ### SNMP Management In addition to the HTTP and the CLI interfaces, you can also manage and configure an AP-2000 using the Simple Network Management Protocol (SNMP). Note that this requires an SNMP manager program, like HP Openview or Castlerock’s SNMPc. The AP-2000 supports several Management Information Base (MIB) files that describe the parameters that can be viewed and/or configured over SNMP: MIB-II (RFC 1213) Bridge MIB (RFC 1493) Ethernet-like MIB (RFC 1643) AP-2000 Enterprise MIB Proxim provides these MIB files on the AP-2000 CD. You need to compile one or more of the above MIBs into your SNMP program’s database before you can manage the AP-2000. Refer to the documentation that came with your SNMP manager for instructions on how to compile MIBs. The Enterprise MIB defines the read and read-write objects that can be viewed or configured using SNMP. These objects correspond to most of the settings and statistics that are available with the other management interfaces. Refer to the Enterprise MIB for more information; the MIB can be opened with any text editor, such as Microsoft Word or WordPad.
| The remainder of this guide describes how to configure an AP-2000 using the HTTP Web interface or the CLI interface. For information on how to manage devices using SNMP, refer to the documentation that came with your SNMP program. Also, refer to the MIB files for information on the parameters available via SNMP.
## Active Ethernet Some AP-2000 units are equipped with an Active Ethernet module. Active Ethernet (AE) delivers both data and power to the access point. There is no difference in operation; the only difference is in the power source. The Active Ethernet (AE) integrated module adds ~48 VDC to unused (non-data) wires in standard Category 5 Ethernet cable. The cable length between the Ethernet network source and the AP-2000 unit should not exceed 100 meters (approx 325 ft.). The AE module is not a repeater and does not amplify the Ethernet data signal. AP-2000 devices with Active Ethernet should be connected to a grounding type AC outlet (100-240 VAC), using the standard power cord supplied. Output Power, per Port, is 11 Watts. Also see Electrical Specifications. ## 802.11b versus 802.11a Networks The AP-2000 supports 802.11 wireless connectivity through the use of an 802.11a-compliant 5 GHz and 802.11b-compliant 2.4 GHz radio technology. The IEEE 802.11a standard adds support for a high-speed wireless physical layer in the 5 GHz band using Orthogonal Frequency Division Multiplexing (OFDM). The standard requires support for data rates of 6, 12, 24, and 54 Mbits/s. The AP-2000 unit supports the following data rates: 6, 9, 12, 18, 24, 36, 54 Mbits/s. The IEEE 802.11b standard supports wireless physical layer in the 2.4 GHz band using Direct Sequence Spread Spectrum (DSSS). The standard provides for data rates of 1, 2, 5.5, and 11 Mbits/s. The AP-2000 device can be used with any combination of 802.11a and 802.11b radio cards. Note however, that only one 802.11a card with antenna adapter can be plugged into the AP-2000 unit at one time. You can have an 802.11a and an 802.11b card present in the AP-2000 device at the same time and 2.4 GHz and 5 GHz clients will be supported simultaneously. ### Feature List The IEEE standards that governs wireless communications are different for the 2.4 GHz band and the 5 GHz band. The table below compares the software features supported for each type of card in the AP-2000 device:
Feature | 2.4 GHz (802.11b) | 5 GHz (802.11a) | Comments
--- | --- | --- | ---
Number of stations per BSS | up to 250 | up to 50 |
HTTP Server | yes | yes |
Telnet / CLI | yes | yes |
SNMP Agent | yes | yes |
VLAN Support (2 User VLANs) | yes | yes |
Emergency Reset to Default Configuration | yes | yes |
DHCP Client | yes | yes |
DHCP Server | yes | yes |
TFTP | yes | yes |
RADIUS Access Control | yes | yes |
Fallback to Primary RADIUS Server |  |  |
RADIUS Session Timeout |  |  |
RADIUS Multiple MAC Address Formats | yes | yes |
RADIUS DNS Host Name Support | yes | yes |
RADIUS Start/Stop Accounting | yes | yes |
802.1X (EAP-MD5, EAP-TLS and EAP-TTLS) | yes | yes |
802.1d bridging | yes | yes |
MAC Access Control Table | yes | yes |
Protocol Filtering | yes | yes |
Multicast/Broadcast Storm Filtering | yes | yes |
Proxy ARP | yes | yes |
Configuration Support for MAC Features | yes | yes |
ICMP Echo Response | yes | yes |
Hardware Watchdog Timer | yes | yes |
Roaming | yes | yes |
Link Integrity | yes | yes |
Automatic Channel Select | yes | yes |
WEP | yes | yes | Key lengths supported for 802.11b: 64-bit and 128-bit Key lengths supported for 802.11a: 64-bit, 128-bit, and 152-bit (Note: Some products refer to 64-bit as “40-bit”, 128-bit as “104-bit”, and 152-bit as “128-bit”.)
WEP Plus (Weak Key Avoidance) | yes |  | No client support for 802.11a
WDS Relay | yes |  |
Remote Link Test | yes |  |
Link Test Responder | yes |  | No client support for 802.11a
Medium Density Distribution | yes |  |
Distance between APs | yes |  |
Ultra High Density | yes |  |
Closed System | yes |  |
Interference Robustness | yes |  |
Load Balancing | yes |  | No client support for 802.11a
AP List | yes |  | No client support for 802.11a
SpectraLink VoIP Support | yes |  |
Blocking Intra BSS Clients | yes | yes |
Packet Forwarding | yes | yes |
TCP/UDP Port Filtering | yes | yes |
Dynamic Frequency Selection |  | yes | For 802.11a products sold in Europe
Per User Per Session Encryption |  | yes | In conjunction with 802.1x
Syslog Messaging | yes | yes |
Turbo Mode |  | yes | Turbo mode provides twice the data rate of standard 802.11a mode; not available in all countries
The following table provides detailed information on the differences between the 802.11a and 802.11b feature sets.
| 2.4 GHz (802.11b) | 5 GHz (802.11a)
--- | --- | ---
Physical Layer Type (Modulation Type) | DSSS (Direct Sequence Spread Spectrum) | ODFM (Orthogonal Frequency Division Multiplexing)
Auto Channel Select | Enable (default) Disable | Enable (default) Disable Note: A user cannot manually select a channel for products sold in Europe; these products require automatic channel selection using DFS. See Dynamic Frequency Selection (DFS).
Frequency Channel | 1 - 2.412 GHz 2 - 2.417 GHz 3 - 2.422 GHz (default FCC, ETSI, Japan) 4 - 2.427 GHz 5 - 2.432 GHz 6 - 2.437 GHz 7 - 2.422 GHz 8 - 2.447 GHz 9 - 2.452 GHz 10 - 2.457 GHz 11 - 2.462 GHz 12 - 2.467 GHz (ETSI countries only) 13 - 2.472 GHz 14 - 2.477 GHz (Japan only) For France, channels 10-13 only | 36 - 5.180 GHz 40 - 5.200 GHz 44 - 5.220 GHz 48 - 5.240 GHz 52 - 5.260 GHz (default FCC) 56 - 5.280 GHz 60 - 5.300 GHz 64 - 5.320 GHz Channels 36-64 are valid for products in the FCC and ETSI regulatory domains. The following channels are available in Japan: 34 - 5.170 GHz (default) 38 - 5.190 GHz 42 - 5.210 GHz 46 - 5.230 GHz For Turbo mode (not available in all countries), the following channels are available: 42 - 5.210 GHz 50 - 5.250 GHz 58 - 5.290 GHz
Regulatory Domain | USA (FCC) Canada (DOC) Europe (ETSI) Spain (SP) France (FR) Japan (MKK) | USA (FCC) Canada (DOC) Europe (ETSI) Japan (MKK)
Transmit Rate | N/A | 0 - Auto Fallback (default) 6 Mbit/sec 9 Mbits/sec 12 Mbits/sec 18 Mbits/sec 24 Mbits/sec 36 Mbits/sec 48 Mbits/sec 54 Mbits/sec For Turbo mode (not available in all countries): 0 - Auto Fallback (default) 12 Mbit/sec 18 Mbits/sec 24 Mbits/sec 36 Mbits/sec 48 Mbits/sec 72 Mbits/sec 96 Mbits/sec 108 Mbits/sec
Distance Between APs | large (default) medium small minicell microcell | N/A
Multicast Rate | 1 Mbit/sec 2 Mbits/sec (default) 5.5 Mbits/sec 11 Mbits/sec Available options depend on Distance Between APs setting | N/A
Interference Robustness | Enable (default) Disable | N/A
Closed System | Enable Disable (default) | N/A
Load Balancing | Enable (default) Disable | N/A
Medium Density Distribution | Enable (default) Disable | N/A
### ### Cell Size and Coverage Area The coverage area achieved with the 2.4 GHz card type is larger than that of a 5 GHz radio card. The transmit rate is higher in the smaller (5 GHz) cell than the larger (2.4 GHz cell). The following illustrations depict the difference in cell sizes and the way that cell size affects coverage area. 802.11a (5 GHz) Cell Size 802.11a versus 802.11b Coverage Area