Table of Contents
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Table of Contents
Related Manuals for HP 501
Summary of Contents for HP 501
- Page 1 HP 501 802.1 1ac Wireless Client Bridge Configuration and Administration Guide Abstract This document describes how to configure and maintain an HP 501Wireless Client Bridge (J9835A). It is intended for system and network administrators. HP Part Number: 5998-4132 Published: December 2013...
- Page 2 © Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty.
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Page 3: Table Of Contents
Contents 1 Deploying the HP 501 ................. 5 Using work group bridge mode to connect wired computers to a wireless network..........5 Connecting a wired device using MAC address cloning................. 6 Connecting a serial device to a wireless network................... 7 2 Managing the HP 501 ................ - Page 4 Packet trace file download ........................60 Ping ...............................61 7 Support and other resources ............... 62 Online documentation ..........................62 Contacting HP ............................62 HP websites ............................62 Conventions ............................63 A Resetting to factory defaults ................ 64 Factory reset procedures .......................... 64 Using the reset button.........................
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Page 5: Deploying The Hp 501
The HP 501 enables these computers to access a private network served by an upstream This configuration uses the work group bridge mode on the HP 501. In this mode, the HP 501 is configured with an SSID for the upstream network. Computers in the subnet 192.168.5.x are connected through a switch on the wired Ethernet interface. -
Page 6: Connecting A Wired Device Using Mac Address Cloning
Connecting a wired device using MAC address cloning In this scenario, the HP 501 makes a wired printer available to clients on the upstream wireless network. Prior to this deployment, the printer’s MAC address was known by users from its previous placement on a wired network. -
Page 7: Connecting A Serial Device To A Wireless Network
The point-of-sale terminal is connected to the serial port on the HP 501. To connect it to a wireless network, the HP 501 converts traffic between the serial data format and TCP/IP. -
Page 8: Managing The Hp 501
The HP 501 is managed via its web-based management tool using Microsoft Internet Explorer 8 or later or Mozilla Firefox 17 or later. You can access the HP 501 management tool using either HTTP or HTTPS. Using HTTPS is more secure but you will see a security warning until you purchase and install your own certificate. -
Page 9: Administrator Login Configuration
If there is no activity on the management session for the specified time, then the administrator will be automatically logged off. The default timeout is 5 minutes. Administrator login configuration The HP 501 supports one administrator login. Use this section to change the username and password. Username The default username is admin. -
Page 10: Managing Http Ssl Certificates
Managing HTTP SSL certificates When HTTPS access is enabled, the HP 501 must be able to present a Secure Sockets Layer (SSL) certificate to the web browser of a computer that attempts access to the management tool. The certificate assures that the browser is accessing the HP 501 with the specified IP address. It also provides information that the HP 501 and management computer use to encrypt their communication. - Page 11 Enter the IP address of the TFTP server. Generating or uploading a new SSL certificate restarts the secure web server, disconnecting the current management session. The next time you log in to the HP 501, you are prompted to accept the new certificate.
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Page 12: Configuring A Management Access Control List
Configuring a management access control list You can create an access control list (ACL) that lists hosts that are authorized to access the HP 501 management tool. If this feature is disabled, anyone can access the management interface from any network client by supplying the correct user name and password. -
Page 13: Configuring Snmp
(MIBs) and return this data to the SNMP manager when requested. Managed devices can be network nodes such as APs, routers, switches, bridges, hubs, servers, or printers. The HP 501 can function as an SNMP managed device for seamless integration into network management systems such as HP IMC. -
Page 14: System Settings
The valid range is 1 to 256 characters. The community name can be in any alphanumeric format. The default is public. Port number By default, the HP 501 listens to requests from port 161 only. You can configure to another value in the range of 1025 to 65535. SNMP set requests When SNMP set requests is enabled, SNMP manager devices on the network can make changes to the HP 501 configuration by issuing “set”... - Page 15 If you have enabled the SNMP source enable setting, specify the hostname or IPv4 address of a device to enable it to execute get and set requests to the HP 501. Or, specify a subnet to enable SNMP access for any device on that subnet.
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Page 16: Snmpv3 Configuration
SNMPv3 adds security in the form of configurable encryption of data and enhanced authentication of users. You can configure security settings on a per-user basis. You can also configure a user as an SNMPv3 receiver, so that the HP 501 sends SNMP trap messages to the user. -
Page 17: Supported Mibs
Remove. Configuring SNMPv3 receivers The HP 501 can send SNMP traps to configured SNMPv3 users. The eligible users must be configured on the SNMPv3 users page. On the SNMPv3 receivers page, you provide IP information for the users you select to receive traps. -
Page 18: Setting The System Time
.hpEtherSwitch(1 1). hpWlan(162).hpWlanClientBridge501(1)). Setting the system time Correct system time is important for proper operation of the HP 501, especially when using the logs to troubleshoot. Select Management > System time to open the System time page. This page enables you to configure time server and time zone information. - Page 19 Setting the system time...
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Page 20: Set System Time
When you select this option, a field displays for you to specify the NTP server. You can specify the NTP hostname or IP address, although HP recommends that you not use the IP address, as these are more likely to change. If you specify a hostname, note the following requirements: •... -
Page 21: Wireless Configuration
3 Wireless configuration Wireless range At high power, the HP 501 can communicate with APs that are up to about 300 feet away. The achievable range can vary widely depending on the antenna selected, the radio mode, and environmental and other circumstances. -
Page 22: Configuring Radio Settings
The country of operation, also known as the regulatory domain, determines the availability of certain wireless settings on the HP 501. If Country is set to Auto, the HP 501 adopts the country setting from the AP it associates with. -
Page 23: Advanced Radio Settings
5 GHz bands and is capable of connecting with 802.1 1a/b/g/n/ac APs. This is the default setting. • IEEE 802.1 1a: The HP 501 can connect to an 802.1 1a or 802.1 1 a/n/ac AP as an 802.1 1a client. •... - Page 24 Mode is set to Auto. • If the HP 501 is currently connected to a 5 GHz AP and the Roam delta is set to 15 dBm, when a signal is detected that falls below the Roam threshold: •...
- Page 25 Specify a Request to Send (RTS) threshold value from 0 to 2347. The default is 2347 octets. To ensure that sufficient bandwidth is available to send a frame, the HP 501 can send an RTS packet to the upstream AP and await for a Clear to Send (CTS) reply. When the HP 501 receives the CTS, it sends the frame.
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Page 26: Configuring Work Group Bridge Mode
• WEP: The HP 501 authenticates using a WEP key configured on the HP 501 and the upstream AP. This mode is available only when the configured radio mode does not support 802.1 1n. - Page 27 From 1 to 64 alphanumeric characters. • TLS: This method requires that a TLS certificate be present on the HP 501. The upstream AP provides the certificate, along with the ID used when creating it, and a public key used for encryption, to the remote authentication server.
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Page 28: Static Wep
Static WEP This method uses a WEP key that is configured on both the HP 501 and the upstream AP. It is the least secure method of protecting wireless transmissions. WEP is provided so you can authenticate with an upstream AP that does not support WPA. -
Page 29: Configuring Wireless Bridging Features
Specify the MAC address to clone. You can select MAC address and manually specify the address of a client. Or, you can select Discovered MAC mode for the HP 501 to discover the address of the device connected to the Ethernet port. -
Page 30: Redirecting Unsupported Traffic
Network time (UDP port 123) Redirecting unsupported traffic The HP 501 sends and receives only IPv4 traffic on the wireless link. By default, all other traffic is unsupported and is dropped. In some cases, you might want to forward the unsupported traffic to a wired device connected to the Ethernet port. -
Page 31: Viewing Wireless Information
The DHCP relay agent feature is not supported when MAC address cloning is enabled. IP forwarding Ethernet devices that do not send any IP packets at startup have no entry in the HP 501 wireless-to-MAC translation table. As a result, the HP 501 cannot route incoming IPv4 wireless traffic to these devices. - Page 32 8 seconds, depending on how many channels are scanned (which varies by country and radio mode). If a scan is initiated while the HP 501 is in the process of associating with an AP, or while it is roaming to associate with another AP, the scan request may be ignored. To avoid interfering with association attempts in progress, Start Scan is disabled when the radio is disabled and when work group bridge mode is enabled and in the disconnected state.
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Page 33: Viewing Wireless Statistics For The Radio
WLAN bytes Total bytes transmitted by the HP 501. transmitted WLAN packets receive Number of packets received by the HP 501 that were dropped. dropped WLAN bytes receive Number of bytes received by the HP 501 that were dropped. dropped... -
Page 34: Viewing The Mac Translation Table
The IP address of the client on the wired network. Tx/Rx packets Total packets transmitted from the HP 501 to the client or received by the HP 501 from the client. Click Clear MAC table to delete all entries from the list. -
Page 35: Network Configuration
4 Network configuration IP configuration The HP 501 can connect to up to 15 wired Ethernet clients through a switch or hub connected to its Ethernet port. You can use the IP configuration page to view the Ethernet port MAC address and configure IPv4 and IPv6 settings. -
Page 36: Ipv6 Configuration
Select Static IP from the list to manually configure an IPv4 Ethernet address. Static IP address Set an address that is on the same subnet as the network to which the HP 501 will connect when installed. Respect any DHCP server-mandated static address ranges. -
Page 37: Viewing Ethernet Statistics
Static IPv6 address prefix length The prefix length must be an integer in the range from 0 to 128 bits. The prefix length determines the part of the IPv6 address that identifies the network to which the HP 501 is attached. -
Page 38: Tcp Serial
TCP serial TCP connection The HP 501 has an external serial port which can be used to enable a device with a serial connection to communicate with a remote host over the wireless network. This is useful for devices that do not have wireless or Ethernet functionality. -
Page 39: Serial Port Settings
The amount of time, in seconds, that the TCP connection can remain idle before it is disconnected by the HP 501. The range is 30 to 86400 seconds and the default is 30 seconds. Statistics for the TCP serial feature are available on the Status > TCP serial page. - Page 40 State The TCP connection state. Possible values are: • Listen: When the TCP Mode is set to Server, this value indicates that the HP 501 is waiting for the remote TCP client to establish the connection. • Connecting: When the TCP Mode is set to Client, this value indicates that the HP 501 is attempting to establish a connection with the remote TCP server.
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Page 41: Lldp Configuration
When enabled, the software periodically sends loop protection packets to a reserved multicast address on the wireless interface. If the multicast packet comes back to the HP 501 on the Ethernet interface (with a source MAC addresses that identifies the wireless interface) within a specified time, the software determines that a loop has occurred. - Page 42 If the Ethernet port has been shut down due to the discovery of a loop, this field shows the number of seconds it will remain shut down. Loop detection count The total number of loops detected since the HP 501 was last reset. Time of last loop detection The date and time of the most recent detected loop.
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Page 43: Maintenance
5 Maintenance Configuration file management The configuration file contains all the settings that customize the operation of the HP 501. You can save and restore the configuration file by selecting Maintenance > Config file management. Reset Resetting to factory defaults on page... -
Page 44: Restore
For maintenance purposes or as a troubleshooting measure, you can reboot the HP 501 by clicking Reboot. The process can take several minutes during which time the HP 501 is unavailable. The HP 501 resumes normal operation with the same configuration settings it had before the reboot. -
Page 45: Software Updates
The HP 501 reboots with the new image. The process can take several minutes, during which time the HP 501 is unavailable. Do not power down the HP 501 while the image switch is in progress. When the image switch is complete, the HP 501 restarts. The HP 501 resumes normal operation with the same configuration settings it had before the upgrade. -
Page 46: System Information
System information The System page enables you to download logs, settings, system tools outputs, and other information that customer support uses to diagnose problems. To download system information, select Maintenance > System. In the Show tech area, you can download a file that can be read in a text editor. The file contains configuration settings, including those that have been customized by the user. -
Page 47: Tools
The HP 501 stores up to 512 system error messages in volatile memory (RAM). You can view these events using the HP 501 management tool, and you can configure HP 501 to relay them as syslog messages to a syslog server residing on the network. -
Page 48: Remote Syslog Configuration
To view a longer history of messages, you must set up a remote syslog server that acts as a syslog log relay host on your network. Then, you can configure the HP 501 to send syslog messages to the remote server. The Severity level setting configured in the System log configuration section determines which messages are stored in RAM and are available for relay to a remote syslog server. -
Page 49: Events
You can click Refresh to display the most recent data from the HP 501, or Clear All to remove all entries from the list. - Page 50 The RSSI log shows the date of each RSSI entry, the MAC address of the remote AP, the channel on which the signal was detected, and the RSSI value. Click Refresh to display the latest data from the HP 501. Tools...
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Page 51: Syslog Message List
Syslog message list The following table lists the syslog messages generated by the HP 501. The MAC address of the HP 501 is automatically added to the beginning of every syslog entry. Message Description Severity The AP startup configuration was updated... -
Page 52: Email Alert
HP 501, for example AP23@company.com. HP recommends that you use an email address that exits on your own network, so that the address is notified if an email from the HP 501 is undeliverable, and to prevent spam filters on the network from blocking the sending or delivery of emails from the HP 501. -
Page 53: Mail Server Configuration
• Alert indicates action must be taken immediately. • Critical indicates critical conditions. • Error indicates error conditions. • Warning indicates warning conditions. • Notice indicates normal but significant conditions. • Informational indicates informational messages. • Debug indicates debug-level messages. Non-urgent severity This setting determines the severity level for log messages that are considered to be non-urgent. -
Page 54: Message Configuration
255 alphanumeric characters. The default is Log message from WCB. Sending a test message To validate the configured email server credentials, click Test Mail. The following text shows an example of an email alert sent from the HP 501 to the network administrator: From: AP-192.168.1.1@mailserver.com Sent: Wednesday, February 08, 2012 11:16 AM To: administrator@mailserver.com... -
Page 55: Network Trace Configuration
Packet file trace mode: Captured packets are stored in a file on the HP 501. The HP 501 can transfer the file to a local PC or network location using HTTP or to a TFTP server. The file is formatted in pcap format and can be examined using tools such as Wireshark and OmniPeek. -
Page 56: Packet File Trace
Packet file trace In packet file trace mode, the HP 501 stores captured packets in a file on the device. Upon activation, the packet trace proceeds until one of the following occurs: •... -
Page 57: Remote Packet Trace
HP 501. Setting up Wireshark sessions You can trace up to five interfaces on the HP 501 at the same time. However, you must start a separate Wireshark session for each interface. You can configure the IP port number used for connecting Wireshark to the HP 501. - Page 58 Due to performance and security issues, the packet trace mode is not saved in nonvolatile memory on the HP 501. If the HP 501 resets, the trace mode is disabled and you must re- enable it to resume capturing traffic. Packet trace parameters (other than mode) are saved in nonvolatile memory.
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Page 59: Packet Trace Status
Stop Trace to stop a trace before the specified duration has elapsed. Packet trace status This section enables you to view the status of the packet trace on the HP 501. Current trace status Whether a packet trace is running or is stopped. -
Page 60: Packet Trace File Download
Packet trace file download This section enables you to download the trace file by TFTP to a configured TFTP server, or by HTTP(S) to a PC or network location. A trace is automatically stopped when the trace file download command is triggered. HTTP download Select HTTP to download to your PC or a network location. -
Page 61: Ping
Ping The HP 501 supports ping functionality to enable basic diagnostics of network devices. To ping another device, select Tools > Ping. Address to ping You can specify an IPv4 address, an IPv6 address, or a hostname. Timeout Specify the amount of time in seconds after which an unsuccessful ping will time out. The range is 1 to 15 seconds and the default is 5 seconds. -
Page 62: Support And Other Resources
7 Support and other resources Online documentation You can download the latest documentation from the HP Support Manuals website at www.hp.com/support/manuals. Search by product number or name. Contacting HP For worldwide technical support information, see the HP Networking Support website: www.hp.com/networking/support... -
Page 63: Conventions
Conventions The following conventions are used in this guide. Management tool This guide uses specific syntax when directing you to interact with the management tool user interface. See the following image for identification of key user-interface elements and the table below for example directions: Main Sub-menu... -
Page 64: A Resetting To Factory Defaults
A Resetting to factory defaults Factory reset procedures To force the HP 501 into its factory default state, follow the procedures in this section. Caution Resetting the HP 501 to factory defaults deletes all configuration settings, resets the manager user name and password to admin, and enables the DHCP client on the Ethernet port. If no DHCP server assigns an address to the HP 501, its address defaults to 192.168.1.1.