Questions tagged [access-point]

A networking hardware device that allows a Wi-Fi compliant device to connect to a wired network.

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votes
2answers
599 views

How is the Groupwise Transient Key used in WiFi networks?

In Wifi WPA, I understand that during association, a 802.11 client and AP negotiate a Pairwise Transient Key (PTK), using which the Groupwise Transient Key(GTK) is provided to the station. I ...
5
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3answers
647 views

Is it possible to build a LAN with just Access Points?

I am just learning the differences between routers and AP. Based on what I have understood, AP just acts like a wireless switch enabling multiple devices to connect to a single router. Since it is ...
5
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3answers
4k views

Is there any relation between MAC addresses of a dual band (2.4 and 5 GHz) router?

I have a use case where I need to determine whether two MAC addresses belong to the same router with dual band connection 2.4 GHz and 5 GHz. When I did some study, I found that the MAC address of ...
5
votes
1answer
527 views

Is it acceptable to run Cat 6 along the top of lighting trunking?

In our factory, we have lighting trunking running above the factory floor, which contains electrical cables and has fluorescent lights hung off the underside. It goes everywhere and could potentially ...
4
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3answers
224 views

Can access points recognize who passes by?

I was watching a Meraki AP presentation, and one of the features they showed was an analytic tab, which showed the number of devices that passed by, visitors, and connected to the AP, as well as many ...
4
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1answer
4k views

Unifi AC LR vs Lite?

I want to install an access point for our office. and that is why I have brought an unifi ac lite. but it couldn't cover all of the building! our office has near 70 meters as foundation and is a two ...
4
votes
1answer
1k views

How well does 802.11k actually perform on large-scale networks?

As a student employee I've done some research on 802.11k and I understand that it's intended to help with devices roaming and also helping the client decide on the best (B)SSID to join. In practice ...
4
votes
1answer
658 views

Cisco Wifi access points roaming

I have two Cisco AIR-AP1832-E-K9 access points. The first one is already operational (1). Its operating mode is: AP & Controller (2). I configured two WLANs (and also two VLANs, two SSIDs) on ...
4
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2answers
1k views

Wireless Network Issues - Dropped Connections

I have inherited a network with significant wireless demands and it is having problems. My background is in application development so please understand if I have some erroneous assumptions. Problems:...
4
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1answer
2k views

What is Open Radio Access Network?

what is the concept of this open radio access networks?? more specifically what is this "open" for? how is it different from those of general RAN?
3
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3answers
95 views

Wireless controllers and access points

What is the difference between wireless controllers and access points, and how come you need both devices to work efficiently together?
3
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1answer
621 views

Will a Wi-Fi Access point affect maximum addresses configured via port-security

I want to configure port-security on a c2960 cisco switch to allow maximum of 10 MAC addresses per port. However two of the switch ports will be connected to a Wi-Fi access point for wireless users. ...
3
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1answer
434 views

Cisco Air-AP1252ag — 15.2 can't get multiple SSIDs advertising properly

I'm having an issue with an AIR-AP1252ag that won't advertise multiple SSIDs in Beacons. I'm trying to setup 3 SSIDs, 1 hidden (Controls), 1 Guest (works fine), 1 Internal Data-Wifi. The problem is ...
3
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1answer
5k views

What's the difference between DHCP Disabled or Relay on an access point?

I am trying to turn my old router to an access point for the new router, I assigned an IP address in the range of the new one and when I went to disable DHCP there was another option which is Relay ...
3
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2answers
1k views

Does WiFi broadcast traffic from a station go through the access point?

Let's say I've got two devices connected to my Access Point, a laptop and a tablet. If the laptop sends unicast traffic to the tablet, I understand that it must go through the AP. However, how is ...
3
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2answers
2k views

Wireless access point to switch connection

I am a newbie to networking. I think I have a good grasp on Switching, routing and VLANs. I am trying to extend my knowledge to wireless networks. Looking for answers on a few questions Should I ...
3
votes
1answer
478 views

Need help/advice on basic network setup involving security cameras, guest access, and VLANs

At some point, I'd like to move from a single, flat, network to having a more secure network using VLANs. I have an idea of what I would want, I just don't fully understand some details of Native ...
3
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1answer
49 views

Can I setup a WLAN with just a Access Point and Switch

Is it possible to setup a WLAN with an Access Point and a Switch only? I would like to connect wireless devices wireless to the access point which is connected to the switch. Then, have another ...
3
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3answers
2k views

WLAN devices vs Access Points vs WLAN controllers

I read about WLAN devices and Access points in "CCNA Routing and Switching guide" but still I am not able to figure out the difference between them. Both seems same to me, both are used to ...
3
votes
1answer
633 views

How to limit number of wireless clients on Cisco access point?

We have a Cisco access point in autonomous mode. Is there a way we can set a limit on the number of simultaneous wireless clients either per-radio or per-SSID on the access point? If yes, what is the ...
3
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2answers
3k views

How many PoE ports can I use on a switch?

So, I want to connect 23 Ap's using PoE. The Switch is a 500w 24 port switch. May I use every single port with PoE without causing trouble on the Switch? Thanks! Edit: It's a UniFi switch of 24 ...
3
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2answers
2k views

How do I stop %C4K_EBM-4-HOSTFLAPPING message for wireless ports, but leave on for STP issues?

I do not have a spanning tree loop. I work in a manufacturing environment and roaming is prevalent. I don't want to see mac flaps or host flap messages on the wireless ports, I only want them for STP. ...
3
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1answer
286 views

Cisco router under workgroup bridge AP

My question is about addressing a Cisco router interface so that I can use both bridging through an access point as workgroup-bridge and also connect to the access point to configure it. Apologies ...
3
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3answers
5k views

Can I connect a simple switch before or after a PoE access point?

I want to have a wired Internet connection before or after a PoE access point. Is that possible?
3
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2answers
946 views

Handheld Device Aruba AP Change Causes DHCP Renewal

Hi all hope you can help. Our Psion handheld devices used in the warehouse have been renewing their DHCP leases every time they change AP on our Aruba network. I have spoken to Psion and they say it ...
3
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1answer
763 views

Creating an offline wireless network using UniFi UAP access points for use by iPads

I have to confess that I am by no means a network engineer I am a software engineer with a reasonable grasp of networking. Here is my dilemma... I have 20 iPads that I want to put onto a wireless ...
3
votes
1answer
165 views

Reading RSSI of a phone on a network with multiple access points

I have the following setup: A wifi network with four access points on it (ubiquiti APs). When I connect my phone to the network, the phone gets assigned to one of the access points, lets say AP_A. I ...
2
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1answer
85 views

Does preventing 802.11b clients from associating to an 802.11b/g access point reduce access point range for 802.11g clients?

I have an access point that supports both 802.11b / 802.11g clients. From what I understand, preventing 802.11b clients from connecting causes one or more 802.11g rates to be listed as mandatory. ...
2
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2answers
2k views

connect to wifi device with same SSID

I have an old wifi router which SSID is ASDF and password is 1234567890, I bought a new one when the old one broken and set the SSID and password to the old one's. Then I found that my Android phone ...
2
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2answers
46 views

How Access points differentiate stations?

I'm doing a ping from a station to another connected on the same access point. Given the fact that they are both on Wi-fi interface, how can access point know where to forward a packet?
2
votes
1answer
49 views

How a wireless access point reads all the available SSIDs

When a wireless access point is broadcasting its SSID (beacon frame) I assume it sends it on specific selected channel (channel 1-14 for 2.4 GHz network). But how do all the other access point ...
2
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2answers
2k views

Cisco WLC: Displaying AP configuration commands

Is there a way to display on a WLC a list of commands used for configuration of a given AP? I believe it's possible on Juniper Trapeze WLCs, wouldn't understand why Cisco would disable such an option. ...
2
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1answer
115 views

Wireless Controller 5520 Creating a dynamic interface

I'm hoping to determine the least intrusive way to configuring my WLC. I am working through the GUI interface and have created a new dynamic interface [Controller-> Interfaces] When I went to ...
2
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1answer
387 views

500+ concurrent clients for one access point

The Unifi HD access points says that it can run "500+ concurrent clients" for one access point: https://store.ubnt.com/products/unifi-hd What does it mean by this? I understand that it's out of the ...
2
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1answer
3k views

Is it possible to setup multiple Networks on a single Access Point?

On my quest to understand what AP is and how it works, I came across article that says this: Most often, there are different BSSIDs on an access point for each WLAN configured on a radio. If you ...
2
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2answers
404 views

How to connect Cisco AP1242 with WLC4402?

I just got a pair of Cisco APs and a WLC in order to play around for my CCNA Wireless certification. I'm having troubles connecting all 3 devices together. I believe I need a switch to connect them. ...
2
votes
2answers
89 views

How access point detects the range of clients?

I have a doubt. Can access point communicating with a client on a low frequency channel(say 2.4GHz) change to high frequency channel(say 60GHz) once the client is within range? Is it possible from AP ...
2
votes
1answer
323 views

Which channels are used by Wifi access points?

The list of wifi channels are presented here. My question: Let us assume that I have two Access points. which of the channels listed are used by which Access point? and how many users are supported ...
2
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1answer
102 views

Are there other protocols for enforcing AAA besides RADIUS?

I know this is not the ideal question format but I need to lean upon the expertise in this community. I am looking for a simpler method of implementing AAA (Authentication, Authorization and ...
2
votes
1answer
1k views

Lightweight AP won't join with Wireless Lan Controller

I'm trying to set up a wireless network, and learn at the same time. I'm using a Cisco 5508 WLC and a AIR-CAP3702I-A-K9 lightweight AP. The problem I'm having is that the LAP won't joing with the WLC. ...
2
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3answers
1k views

Max bandwidth of wireless access point with gigabit backhaul

I'm looking at setting up a network with full WiFi coverage. Right now I'm still comparing access points to mesh. I see the options for AC access points offer wireless bandwidth in excess of 1Gbps. ...
2
votes
1answer
818 views

converting AP from autonomous to CAPWAP; DHCP keeps interrupting TFTP Process (follow up)

This question is actually a follow up to this link: converting AP from CAPWAP to autonomous - BVI1 interface gets reverted back to DHCP The method I tried to follow: AP#debug capwap console cli ...
2
votes
1answer
50 views

Question on using random channels for wireless networks

I work at a corporation and we have engineer's who test "in home" settings which requires a wireless router. Such testing doesn't need to extend beyond the desk of the user. Currently we keep track ...
2
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2answers
2k views

Passive Power over Ethernet 802.3af Supported

I am trying to buy an Access Point which supports Passive Power over Ethernet, 802.3af. I don't understand the difference between the Passive Power over Ethernet and 802.3af. If the Access point ...
2
votes
1answer
130 views

RV260W as Access Point

We recently upgraded to a proper firewall, with some help from this community, and are now looking to repurpose our RV260w as a wireless access point. I tried already, but I was trying to use the WAN ...
2
votes
1answer
93 views

How to test the maximum of clients connected to an AP?

Is there a way to test how many clients can connect a given AP BSSID using a laptop or a dedicated device? I want to know that N is my real concurrent number of clients​ connected, and when N+1 ...
2
votes
1answer
8k views

What is the difference between “Client Mode” and “Independent Bridge” in an AP?

Considering the 5 modes of operation of wireless access points described on this page, there a among them: Mode 2 - Bridge. Most APs can also be configured as a Bridge. In such Configuration the AP ...
2
votes
1answer
406 views

Using co-located wireless access points to maximize client bandwidth [closed]

I need to support between 50 and 100 simultaneous wireless clients that use a wide variety of devices, from smartphones to laptops, and the primary network load is full-screen streaming video. My ...
2
votes
1answer
2k views

Real time RSSI from Clients

I have a Cisco WLC and different LWAPPs. What I am looking for is a way to be able to get in the WLC the RSSI of all connected clients. For the moment, I am able to access through SNMP to the ...
2
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0answers
1k views

Cisco AIR-AP1852i-E-K9 stuck in “waiting for uplink[…]” after startup

I pulled an old cisco AP from a shelf today at work to test something, and after starting up and connecting with PUTTy, i was greeted with (after startup), this - repeating over and over: [*02/16/...