Cisco AP541N Dual-band Single-radio Access Point Administration ...
Cisco AP541N Dual-band Single-radio Access Point Administration ... Cisco AP541N Dual-band Single-radio Access Point Administration ...
4WirelessModifying Virtual Access Point SettingsTable 10FieldChannelRadio Settings Field DescriptionsDescriptionSelect the Channel.NOTE: If Radio Interface is set to Off, the Channel cannot bechanged.The range of available channels is determined by the mode ofthe wireless radio interface and the country code setting. Ifyou select Auto for the channel setting, the access point scansall available channels, immediately selects a channel, andbegins operation. If interference or errors occur on thatchannel, another channel is automatically selected.The Channel defines the portion of the wireless radiospectrum the wireless radio uses for transmitting andreceiving. Each mode offers a number of channels, dependingon how the spectrum is licensed by national and transnationalauthorities such as the Federal Communications Commission(FCC) or the International Telecommunication Union (ITU-R).NOTEAfter you configure the wireless settings, you must click Apply to apply thechanges and to save the settings. Changing some settings might cause the accesspoint to stop and restart system processes. If this happens, wireless clientstemporarily lose connectivity. We recommend that you change access pointsettings when WLAN traffic is low.Modifying Virtual Access Point SettingsTo change VAP 0 or to enable and configure additional VAPs, select the VirtualAccess Points (SSIDs) tab in the Wireless section.VAPs segment the wireless LAN into multiple broadcast domains that are thewireless equivalent of Ethernet VLANs. VAPs simulate multiple access points inone physical access point. The Cisco AP 541N supports up to 16 VAPs.55 Cisco AP 541N Dual-band Single-radio Access Point Quick Start Guide
WirelessModifying Virtual Access Point Settings4NOTENote that only those VAPs which have non-default configuration are displayedwhen the page initially loads. To configure additional VAPs, click Add Another toexpose new (empty) VAP entries.For each VAP, you can customize the security mode to control wireless clientaccess. Each VAP can also have a unique SSID. Multiple SSIDs make a singleaccess point look like two or more access points to other systems on the network.By configuring VAPs, you can maintain better control over broadcast and multicasttraffic that affects network performance.You can configure each VAP to use a different VLAN, or you can configure multipleVAPs to use the same VLAN. VAP0, which is always enabled, is assigned toVLAN 1 by default. VAP1 is also enabled by default and assigned to VLAN 100.The access point adds VLAN ID tags to wireless client traffic based on the VLANID you configure on the VAP page or by using the RADIUS server assignment. Ifyou use an external RADIUS server, you can configure multiple VLANs on eachVAP. The external RADIUS server assigns wireless clients to the VLAN when theclients associate and authenticate.You can configure up to four global IPv4 RADIUS servers. One of the serversalways acts as a primary while the others act as backup servers. The networktype and accounting mode are common across all configured RADIUS servers.You can configure each VAP to use the global RADIUS server settings, which is thedefault, or you can configure a per-VAP RADIUS server set. You can also configureseparate RADIUS server settings for each VAP.The Global RADIUS server settings are collapsed when the page initially loads. Toshow (expand) the Global RADIUS server settings section of the page, click theright arrow icon to the left of the Global RADIUS server settings section title. Tocollapse the Global RADIUS server settings section, click the down arrow icon tothe left of the Global RADIUS server settings section title.If wireless clients use a security mode that does not communicate with theRADIUS server, or if the RADIUS server does not provide the VLAN information,you can assign a VLAN ID to each VAP. The access point assigns the VLAN to allwireless clients that connect to the access point through that VAP.NOTEBefore you configure VLANs on the access point, be sure to verify that the switchand DHCP server the access point uses can support IEEE 802.1Q VLANencapsulation.Cisco AP 541N Dual-band Single-radio Access Point Quick Start Guide 56
- Page 7 and 8: PrefaceTable 1 describes the typogr
- Page 9 and 10: 1Getting StartedThe Cisco Access Po
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- Page 33 and 34: StatusTraffic Statistics2Figure 7Vi
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- Page 107 and 108: 5SNMPConfiguring SNMP on the Access
WirelessModifying Virtual <strong>Access</strong> <strong>Point</strong> Settings4NOTENote that only those VAPs which have non-default configuration are displayedwhen the page initially loads. To configure additional VAPs, click Add Another toexpose new (empty) VAP entries.For each VAP, you can customize the security mode to control wireless clientaccess. Each VAP can also have a unique SSID. Multiple SSIDs make a singleaccess point look like two or more access points to other systems on the network.By configuring VAPs, you can maintain better control over broadcast and multicasttraffic that affects network performance.You can configure each VAP to use a different VLAN, or you can configure multipleVAPs to use the same VLAN. VAP0, which is always enabled, is assigned toVLAN 1 by default. VAP1 is also enabled by default and assigned to VLAN 100.The access point adds VLAN ID tags to wireless client traffic based on the VLANID you configure on the VAP page or by using the RADIUS server assignment. Ifyou use an external RADIUS server, you can configure multiple VLANs on eachVAP. The external RADIUS server assigns wireless clients to the VLAN when theclients associate and authenticate.You can configure up to four global IPv4 RADIUS servers. One of the serversalways acts as a primary while the others act as backup servers. The networktype and accounting mode are common across all configured RADIUS servers.You can configure each VAP to use the global RADIUS server settings, which is thedefault, or you can configure a per-VAP RADIUS server set. You can also configureseparate RADIUS server settings for each VAP.The Global RADIUS server settings are collapsed when the page initially loads. Toshow (expand) the Global RADIUS server settings section of the page, click theright arrow icon to the left of the Global RADIUS server settings section title. Tocollapse the Global RADIUS server settings section, click the down arrow icon tothe left of the Global RADIUS server settings section title.If wireless clients use a security mode that does not communicate with theRADIUS server, or if the RADIUS server does not provide the VLAN information,you can assign a VLAN ID to each VAP. The access point assigns the VLAN to allwireless clients that connect to the access point through that VAP.NOTEBefore you configure VLANs on the access point, be sure to verify that the switchand DHCP server the access point uses can support IEEE 802.1Q VLANencapsulation.<strong>Cisco</strong> AP 541N <strong>Dual</strong>-<strong>band</strong> <strong>Single</strong>-<strong>radio</strong> <strong>Access</strong> <strong>Point</strong> Quick Start Guide 56
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