cisco repeater manual

When non-Cisco clients are expected, verify that these clients support the Aironet IE extension, as this option is required on the SSID to allow for the communication between an AP and a repeater. For instructions on configuring data rates, see the “Configuring Radio Data Rates” section. Do not configure a repeater access point as a WDS candidate, and do not configure a WDS access point to fall back to repeater mode in case of Ethernet failure. Repeaters can join a WDS infrastructure and act as WDS clients whenever needed. If you use multiple BSSIDs on your wireless LAN and a repeater on your wireless LAN is configured to associate to a specific parent, check the association status of the repeater when you add or delete BSSIDs on the parent access point. If necessary, reconfigure the disassociated device to use the BSSID’s new MAC address. If you created an infrastructure SSID on the root access point, create the same SSID on the repeater, also. Designate the SSID as an infrastructure SSID. The repeater uses this SSID to associate to the root access point. Infrastructure devices must associate to the repeater access point using this SSID unless you also enter the optional keyword. The infrastructure SSID must be assigned to the native VLAN. If more than one VLAN is created on an access point or wireless bridge, an infrastructure SSID cannot be assigned to a non-native VLAN.The repeater does not associate with a MAC address that is not in its parent list unless you set the 'timeout' option. If the repeater fails to associate within the timeout period, it will try to associate to parent access points that are not from its parent list. You can enter a timeout value ranging from 0 to 65535 seconds. The radio disassociates from its parent, probes adjacent wireless devices, and records the MAC addresses and signal strengths of responses it receives. After the timeout, the radio reassociates with its parent. The default is 5 seconds.

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You can configure either the 2.4 GHz radio or the 5 GHz radio as a repeater. In access points with two radios, only one radio can be a repeater; the other radio must be shut down or be configured as a root, scanner, or spectrum radio. The data is sent through the route that provides the best performance for the client. When you configure an access point as a repeater, the access point’s Ethernet port does not forward traffic. Because each repeater must receive and then re-transmit each packet on the same channel, throughput is cut in half for each repeater you add to the chain. However, you can specify the access point to which the repeater associates. Setting up a static, specific association between a repeater and a root access point improves repeater performance. Aironet extensions, which are enabled by default, improve the access point's ability to understand the capabilities of Cisco Aironet client devices associated with the access point. Disabling Aironet extensions sometimes improves the interoperability between the access point and non-Cisco client devices. Non-Cisco client devices might have difficulty communicating with repeater access points and the root access point to which repeaters are associated. If more than one VLAN is created on an access point or wireless bridge, an infrastructure SSID cannot be assigned to a non-native VLAN. The following message appears when the infrastructure SSID is configured on non-native VLAN: The repeater radio can only repeat the native VLAN. You cannot set a radio as a repeater, and then map to that radio an SSID that is mapped to a VLAN other than the native VLAN. However, the other radio can be configured to support several SSIDs and several VLANs. Table 19-1 shows the default values for settings that control the access point’s role in the wireless LAN. Repeaters extend the coverage area of your wireless LAN, but they drastically reduce throughput.

If the monitored access point goes offline and the standby access point takes its place in the network, matching settings ensures that client devices can switch easily to the standby access point. For example, you cannot configure the standby access point’s 5-GHz radio to monitor the 5-GHz radio in access point alpha and the standby’s 2.4-GHz radio to monitor the 2.4-GHz radio in access point bravo. You also cannot configure one radio in a dual-radio access point as a standby radio and configure the other radio to serve client devices. The standby access point does not revert to standby mode automatically. If you use multiple BSSIDs on your wireless LAN, check the status of the standby unit when you add or delete BSSIDs on the monitored access point. If necessary, reconfigure the standby unit to use the BSSID’s new MAC address. To monitor access points with two radios, you need both radios MAC addresses. Record the MAC address of the monitored access point before you configure the standby access point. These settings are: See “Working with Configuration Files,” for instructions on uploading and downloading configuration files. Note When you configure an access point with two radios to monitor an access point with two radios, you must enter the MAC addresses of both the monitored 2.4-GHz and 5-GHz radios. Enter the 2.4-GHz radio MAC address first, followed by the 5-GHz radio MAC address. Note The MAC address of the monitored access point might change if a BSSID on the monitored unit is added or deleted. If you use multiple BSSIDs on your wireless LAN, check the status of the standby unit when you add or delete BSSIDs on the monitored access point. If necessary, reconfigure the standby unit to use the BSSID’s new MAC address. Note Hot standby is not supported on the BR1410 configured for AP mode. The default poll frequency is 2 seconds. The default timeout is 20 seconds.

You can set up a repeater access point to authenticate to your network like other WPA2-enabled client devices. Enter the key using either hexadecimal or ASCII characters. If you use hexadecimal, you must enter 64 hexadecimal characters to complete the 256-bit key. If you use ASCII, you must enter from 8 to 63 ASCII characters, and the access point expands the key for you. After you provide a network username and password for the repeater access point, it can authenticate to your network, through the root AP, using user credentials. The access point to which the repeater associates is called the parent access point. See “Configuring Authentication Types,” for instructions on setting up authentication. LEAP is not the method of choice in this example, but LEAP is the default method.The credentials defined in the dot1x credentials profile will be used. The method defined in the eap profile, EAP-FAST in this example, will be used If you do not designate an SSID as the infrastructure SSID, infrastructure devices can associate to the access point using any SSID. If you designate an SSID as the infrastructure SSID, infrastructure devices must associate to the access point using that SSID unless you also enter the optional keyword. The SSID can consist of up to 32 alphanumeric characters, but they should not include spaces. SSIDs are case-sensitive. The standby access point is placed near the access point it monitors, configured exactly the same as the monitored access point. The standby access point associates with the monitored access point as a client and sends IAPP queries to the monitored access point through both the Ethernet and the radio ports. If the monitored access point fails to respond, the standby access point comes online and takes the monitored access point’s place in the network.

If you use multiple BSSIDs on your wireless LAN and a workgroup bridge on your wireless LAN is configured to associate to a specific parent, check the association status of the workgroup bridge when you add or delete BSSIDs on the parent access point. If necessary, reconfigure the workgroup bridge to use the BSSID’s new MAC address. Workgroup bridges do not support the distance setting, which enables you to configure wireless bridges to communicate across several kilometers. By default, access points and bridges treat workgroup bridges as client devices. Treating a workgroup bridge as an infrastructure device means that the access point reliably delivers multicast packets, including Address Resolution Protocol (ARP) packets, to the workgroup bridge. You use the infrastructure-client configuration interface command to configure access points and bridges to treat workgroup bridges as infrastructure devices. The performance cost of reliable multicast delivery—duplication of each multicast packet sent to each workgroup bridge—limits the number of infrastructure devices, including workgroup bridges, that can associate to an access point or bridge. To increase beyond 20 the number of workgroup bridges that can associate to the access point, the access point must reduce the delivery reliability of multicast packets to workgroup bridges. With reduced reliability, the access point cannot confirm whether multicast packets reach the intended workgroup bridge, so wired clients of workgroup bridges at the edge of the access point coverage area may not receive all multicast frames. When you treat workgroup bridges as client devices, you increase performance but reduce reliability. You use the no infrastructure client configuration interface command to configure access points and bridges to treat workgroup bridges as simple client devices. This is the default setting.

Note You should increase the standby timeout setting if the bridged path between the standby and monitored access points can be lost for periods greater than 20 seconds (during spanning tree recalculation, for example). Note If the monitored access point is configured to select the least congested radio channel, you might need to increase the standby timeout setting. The monitored unit might take up to 40 seconds to select the least congested channel. This feature prevents client devices that are associated to the monitored access point from remaining associated to the malfunctioning unit. If the access point is in standby mode, this command displays the standby parameters, including the MAC address of the monitored access point and the poll-frequency and timeout values. If the access point is not in standby mode, no iapp standby mac-address appears. Table 19-2 lists the standby status messages that can appear. If no standby access point is configured, this message appears: In workgroup bridge (WGB) mode, the unit associates to another access point as a client and provides a network connection for the devices connected to its Ethernet port. For example, if you need to provide wireless connectivity for a group of network printers, you can connect the printers to a hub or to a switch, connect the hub or switch to the access point Ethernet port, and configure the access point as a workgroup bridge. The workgroup bridge associates to an access point on your network. When you configure one radio interface as a workgroup bridge, the other radio remains up. However, both radios cannot be configured to operate simultaneously as a workgroup bridge. The other radio can either be disabled (shutdown), or be in root (access point or bridge), scanner, or spectrum mode. To avoid a bridge loop on your network, disconnect the workgroup bridge from your wired LAN before or soon after you configure it as a workgroup bridge.

To allow the workgroup bridge to successfully associate and communicate with a non-Cisco access point, you can use the universal optional argument. A restriction of this mode is that only one wired client is supported. When configuring this mode you need to configure the MAC address of the wired client, to which the traffic should be relayed through the workgroup bridge. Instead of sending the list of wired clients to the primary AP, the workgroup bridge will directly associate to the access point using the wired client’s MAC address. If the wired client’s MAC address is not found in the workgroup bridge’s MAC address table, the workgroup bridge associates using its own MAC address. Then, when the wired client is connected and its MAC address appears in the workgroup bridge MAC address table, the WGB disassociates and then re-associates using the wired client’s MAC address. This process supports non-Cisco access points that need a unique mapping between a wireless client and a MAC address. In such cases, the multicast frames relayed via unicast contain four MAC addresses in the header: Workgroup bridge unicast destination MAC address, Transmitting access point MAC address, Multicast destination MAC address, Original sender source MAC address). The original multicast frame header only contains three MAC addresses: Multicast destination MAC address, Transmitting access point MAC address, Original sender source MAC address. When using the infrastructure client command on the primary access point, use the station role workgroup-bridge multicast mode infrastructure to instruct the workgroup bridge to ignore the multicast frames and only process the relayed unicast copies of the multicast frames. Use the station role workgroup-bridge multicast mode client to instruct the workgroup bridge to only consider the standard frames, and ignore any relayed frame that would display four MAC addresses in the header.

Note The workgroup bridge must use an infrastructure SSID to associate to a root access point or bridge. This username and password must match the username and password that you set up for the workgroup bridge on the authentication server. The workgroup bridge does not associate with a MAC address that is not in its parent list unless you set the 'timeout' option. If the workgroup bridge fails to associate within the timeout period, it will try to associate to parent access points that are not from its parent list. You can enter a timeout value ranging from 0 to 65535 seconds. When you enable this setting, the workgroup bridge scans for a new parent association when it encounters a poor Received Signal Strength Indicator (RSSI), excessive radio interference, or a high frame-loss percentage. When this setting is disabled (the default setting) the workgroup bridge does not search for a new association until it loses its current association. If this scan is unsuccessful (i.e. no access point with a better signal was found), the number of seconds entered here will be the interval to the next scan attempt. In this example, the workgroup bridge uses the configured username and password to perform LEAP authentication, and the devices attached to its Ethernet port are assigned to VLAN 22: A workgroup bridge connects to a wired network over a single wireless segment by learning the MAC address of its wired clients on the Ethernet interface and reporting them to the lightweight access point using Internet Access Point Protocol (IAPP) messaging. The workgroup bridge provides wireless access connectivity to wired clients by establishing a single connection to the lightweight access point. The lightweight access point treats the workgroup bridge as a wireless client. These access points include the AP1040, AP1140, and AP1260. Cisco IOS Releases prior to 12.4(3g)JA and 12.3(8)JEB are not supported. This radio is used to connect to the lightweight access point.

You should use a workgroup bridge as a client device if these conditions are true: This command determines whether the access point should add unicast copies of each multicast frames, sent in a reliable (unicast with acknowledgment) fashion to each workgroup bridge in the cell. Processing both frames (carrying the same upper layer content) creates processing inefficiency on the workgroup bridge. You can configure the workgroup bridge to consider the multicast frame and discard the unicast copy (default), or consider the unicast frame and discard the multicast original frame. The client option considers the multicast frame and discards the unicast copy. The infrastructure option echoes the Infrastructure Client configuration on the main access point, and sets the workgroup bridge to consider the unicast copies of multicast frames, and not process the multicast frames. Therefore, once they are associated to an access point SSID, they do not scan for other access points. Use this command to configure the workgroup bridge as a mobile station: Using these criteria, a workgroup bridge configured as a mobile station searches for a new parent association and roams to a new parent before it loses its current association. When the mobile station setting is disabled (the default setting) the workgroup bridge does not search for a new association until it loses its current association. If this cli is configured and if the current data rate is lower than the configured value, the new roaming process will be triggered. This will reduce unnecessary roaming and allows to have an expected rate value. When the connection conditions deteriorate, the workgroup bridge scans for a better access point to connect to. If the scan does not allow the workgroup bridge to find a better connection point, use the mobile station period number-of-seconds command to determine the interval to the next scanning cycle.

By limiting the number of channels the workgroup bridge scans to only those required, the mobile workgroup bridge achieves and maintains a continuous wireless LAN connection with fast and smooth roaming. There is no limitation on the maximum number of channels that can be configured. The maximum number of channels that can be configured is restricted only by the number of channels a radio can support. When executed, the workgroup bridge only scans this limited channel set. This limited channel feature also affects the known channel list that the workgroup bridge receives from the access point to which it is currently associated. Channels are added to the known channel list only if they are also a part of the limited channel set. In the example, channels 1, 6, and 11 are specified to scan: However, when a workgroup bridge is configured for limited channel scanning, it does not need to process the CCX reports to update its known channel list. Use the mobile station ignore neighbor-list command to disable processing of CCX neighbor list reports. This command is effective only if the workgroup bridge is configured for limited scanning channel scanning. The following example shows how this command is used Enter this command on the workgroup bridge: WGB gets the packet to a VLAN client without 802.1q header and WGB code has to be modified to add the 802.1q header while forwarding the frame to the switch behind WGB. WLC treats the WGB client as a VLAN-client and forwards the packet in the right VLAN interface based on the source-mac-address. In the downstream direction while forwarding the packet to the switch connecting the wired-client, the WLC sends the packet to WGB without the 802.1q tag and WGB adds a 4-byte 802.1q header based on the destination mac-address. (For detailed information on VLANs, refer to Chapter 14, “Configuring VLANs”.) When the primary access point is not a Cisco access point, these messages are not understood.

We recommend that you disable the second radio. The lightweight access point will not relay multicast frames in a unicast fashion to associated workgroup bridges. Perform one of the following to enable client mode on the workgroup bridge: Instead, the workgroup bridge is authenticated against the access point to which it associates. Therefore, We recommend that you physically secure the wired side of the workgroup bridge. However, to ensure proper communication, you should create a WLAN on the controller that matches the SSID and security method that was configured on the workgroup bridge. As a result, the traffic flow to the wired client fails. To avoid the traffic loss, prevent the wired client from being removed from the bridge table by configuring the aging-out timer on the workgroup bridge to a large value using the following IOS commands on the workgroup bridge: We recommend configuring the seconds parameter to a value greater than the wired client’s idle period. Cisco IOS Releases 15.2(2)JA and later provide VideoStream support for wired devices connected to workgroup bridges. For access points running release 15.2(2)JA and later, the workgroup bridge is added to the wireless LAN controller (WLC) multicast table, and the workgroup bridge converts the VideoStream unicast frame into an Ethernet multicast frame and sends it out to its wired clients. As the coaches move, the workgroup bridge AP in the coach roams from one parent AP (or root AP) to the next one mounted along the railway track.This allows for the workgroup bridge AP to request for and receive a neighbor list from the associated AP (i.e. the current parent AP). The workgroup bridge AP uses this list to identify the small set of channels on which it needs to scan to find the next parent AP. APs with RSSI values above this threshold are not considered for associating with. Note that a configured threshold of x, corresponding to -x dBm.

For example, if the train is moving very fast, you would like the WGB to evaluate the link quality more frequently. However if the speed is slow, the WGB can avoid frequent computations on evaluating the link quality. The WGB AP maintains a running average of the RSSI of the last received data packets from the root AP. If this running average falls below the threshold, the WGB initiates a roam. For example, if the train is moving very fast, a small number of samples can be used to decide when to switch. Default age is 2. To disable, use the command no drssi scan-only current-neighbor-list. Cisco 802.11 Wireless Networking: Installing and Configuring Access Points This chapter examines how to install and configure the AP.The next two chapters examine how you can install and configure both devices. First, let's consider the AP. This exercise shows you where the best—and worst—places are in your organization for Wi-Fi reception. Both the AP and client move around to various, temporary locations in an effort to find ideal placement. This helps resolve any problems that might creep up after you mount the AP. In warehouses and other sites with high ceilings, it's best to mount them between 15 and 25 feet. If you mount them at this height, power delivered to the devices must be addressed. Power over Ethernet (PoE) is discussed in greater detail later, but this is an excellent scenario where you should deliver power in via a power injector, line-power enabled devices (such as Catalyst switches), or line-power patch panels (sometimes referred to as a mid-span device). PoE can save a lot of headache and expense. If you opt to place the AP above ceiling panels, you should place antennas below the ceiling for optimal reception. If this is the case, you should purchase an AP that fits for remote antenna capability. You might need plenum-rated APs and cabling if they are placed above the ceiling tiles. You typically use the manual method when you first install a WLAN.

This means you pick up a Wi-Fi-enabled laptop, palmtop, or specialized wireless survey device and walk around your site and record data from the temporarily located AP as you go. However, before you actually mount them, perform the survey, and take your Wi-Fi-enabled device to various client locations within its coverage area. This tool allows you to view the strength of your AP's signal, the quality of the signal, packet retries, and a host of other data. This tool is shown in Figure 5-1. Think three dimensionally. Make sure channel selections are appropriate for APs located on adjacent floors. This shows how the WLAN performs in real, day-to-day functioning. Metal bookshelves and cabinets can also disrupt your AP's signal.However, you should also be cognizant of the signal-to-noise ratio (SNR). If noise in the band is too high, it can cause reception problems—even if you have a strong signal from the AP. Use the SNR and packet retry count (the number of times packets were retransmitted for successful reception) to get an accurate view of your signal quality. You should use packet retry in tandem with the SNR reading for a good picture of signal quality. The signal might be strong enough, but because of noise or multipath interference, packets are resent. Without an SNR reading, you cannot tell if packet retries spike because you are out of range, there's too much noise, or the signal is too low. This survey allows you to simulate the optimal radio transmit power and channel selection in an existing WLAN. You can select specific APs in your WLAN, and then generate your results. The assisted site survey allows you to: It also allows you a certain level of granularity, to pick and choose which devices to test. Although this tool is great for WLANs with existing APs, it's not ideal for preinstallation work. If you conduct a manual site survey, bring a map along with you and record site data for each location.

After you complete the survey, sit down and examine the map. Do you notice poor signal reception in certain areas. What characteristics are at play in that area that might affect signal quality? Use different maps for different AP placement options, as this helps you keep your data clear and easy to understand. These devices scan a wide frequency band to locate transmissions. Unfortunately, they are also expensive. You can expect to pay thousands of dollars for one (or you can rent one). On top of the expense, there's a steep learning curve in their configuration, setup, and use. If the purchase of a spectrum analyzer is not in your budget, you might hire a consultant with specialized tools to conduct the site survey. All rights reserved. Designed for room wireless and wired connectivity, the MR30H is easy to install on the wall on a single gang box, and is the first cloud managed hospitality AP. This guide also provides mounting instructions and limited troubleshooting procedures. For more wireless installation guides, refer to the wireless installation guides section on our documentation website. This port should be used for uplink to your WAN connection. Despite being in low power mode, the device can still supply full wireless capabilities. The LED shines through the faceplate of the AP and is not visible when either disabled via Run Dark mode or powered off. When an Ethernet client is connected, the LED will shine through the faceplate if Run Dark mode is not enabled. In this mode, the LED will not be illuminated. This mode may be configured through Meraki dashboard. Please take the following into consideration for safe operation: Read the installation instructions before connecting the system to the power source. Failure to use the correct hardware or to follow the correct procedures could result in a hazardous situation to people and damage to the system. Ensure that the protective device is rated not greater than: 15 A, 125 Vac, or 10A, 240 Vac.

You will need your Meraki order number (found on your invoice) or the serial number of each AP, which looks like Qxxx-xxxx-xxxx, and is found on the bottom of the unit. You will also need your Enterprise license key, which you should have received via email. These IP addresses can be dynamically assigned via DHCP or statically assigned. Other features of the wireless network, such as 802.1X authentication, may rely on the property that the APs have static IP addresses. The following procedure describes how to set the static IP: If using a PoE switch, plug an Ethernet cable into the MR30H’s Ethernet jack, and the other end into a PoE switch. Then connect the client machine over Ethernet cable to the PoE switch. If using a PoE Injector, connect the MR30H to the “PoE” port of the Injector, and the client machine to the “LAN” port. Alternatively, browse to. Through “DHCP reservations,” IP addresses are “reserved” for the MAC addresses of the Meraki APs.Keep the following in mind: The installation should be done in two steps. First, install the mount cradle to your selected location. Then, attach the MR30H to the mount cradle. Using appropriate mounting hardware for your specific type of junction box, attach the mount cradle to the junction box. Since the cradle is already mounted to the wall, guide the MR30H towards the top tab and i nsert the top tabs into the MR30H’s slot. Once in place, the MR30H should be secured to the cradle by using one of the included screws in the cradle’s bottom tab. Your MR30H can be secured via security screw (Torx security screws are included). While holding the MR30H with one hand, use the eject tool to trigger the release mechnisim. Then remove the MR30H from the cradle’s top tab. You can use the signal strength meter on a laptop, smart phone, or other wireless device. This will switch your AP into repeater mode. If you are able to connect to this SSID and go to my.meraki.com from your web browser, then your radio is working.