Questions tagged [wireless]

For questions about wireless networking (802.11), including any licensed or unlicensed RF medium used to provide point-to-point or point-to-multipoint network links.

Filter by
Sorted by
Tagged with
0
votes
0answers
9 views

Network signal at 13000ft AGL [closed]

I'm a skydiver and software developer. I've been playing with this idea a little bit, but I'm not super familiar with the various signal options and their line of sight signal ranges and issues. I'm ...
0
votes
0answers
6 views

Lenovo z570 WiFi not connecting to Dual band router [closed]

Problem: With Dual band router the Laptop Wi-Fi shows only 2.4GHz signal (that's fine) but when I am trying to connect, it every time says "Not able to Connect" Laptop Specification OS : ...
0
votes
1answer
44 views

Why use subnet mask /30 for the internet port of the edge router? [closed]

In the following network, why should we pick the subnet mask /30 for the internet port of Edge Router 1? Since the wireless access point Edge Router 1 needs to connect to 3 hosts in LAN 1, a subnet ...
0
votes
1answer
22 views

How do wireless access points work? [closed]

I understand what the intent of wireless access points are but I am struggling to understand them fully on a deeper level. So, do wireless access points have their own network with their own IP ...
0
votes
1answer
20 views

Does a WiFi client vary the strength of the signal it emits? [closed]

I am using a metal container to dampen my WiFi router in the hope of reducing its radiation health risks. I'm wondering if the client device might increase its own emitted signal strength to ...
0
votes
1answer
105 views

link asa with core switch to wlc

have 4 switch 3560 POE-8 , 2 of them have been RESET, AND w l c 2100 RESET too, but there are firewall AND ONE switch. Keeps the OLD CONFIG. I try to restore the network to the same old ...
0
votes
1answer
108 views

Trying to setup 5Gbps setup with APC and AP

I currently have a 5Gbps line being provided and want to set up an Access Point Controller (WEC-8050) with Access Points (WEA512i) and Cisco Catalyst 2960-x 48 port, is this possible? The APC and ...
0
votes
0answers
50 views

EAP-TLS and WPA3-SAE: Which PMK is used?

Unfortunately, my web research didn't yield any results so I'll try my luck here. According to the EAP-TLS RFC 5216, we get a PMK as an output from this EAP method. I suppose said PMK has high entropy ...
8
votes
2answers
18k views

How are multiple SSID's handled on same access point?

In case of multiple SSID's on some AP, how is the information forwarded? I mean, the simplest AP's have just one wireless interface so its basically receiving trough one antenna and send it trough ...
2
votes
4answers
225 views

How to add two VLANs for DHCP Pool

Currently one of my customer has DHCP pool created in Cisco Switch and ip address range is 192.168.25.0/24 (This is a VLAN). Now they have 230 devices and They are going to increase device count by ...
0
votes
1answer
331 views

How to configure IP addresses in cisco packet tracer?

Hello I am working with Cisco packet tracer. I have two laptops connected to a wireless router with IP addresses assigned using DHCP. The router's Internet IP address is 10.1.0.0 and the LAN address ...
0
votes
0answers
35 views

A possible solution to offloading clients on an existing network

I am working with an existing network that services approximately 1500 rural wireless clients [diagram: Customer], and it uses a single core Arista 7050T layer3 switch [diagram: Main Router] hooked up ...
0
votes
1answer
58 views

High RX Pause Frame on Cisco 2960X

I have a Ruckus R310 that connected to Cisco 2960X and I saw a high RX pause frame. show flowcontrol interface gi1/0/1 Port Send FlowControl Receive FlowControl RxPause TxPause ...
0
votes
2answers
43 views

Where does the 4way handshake fit in with the 802.11 Authentication Frame

In an open network you have the authentication frame on just the 802.11 level: but if the network has WEP or WPA(2/3) there will also be a four way handshake: My question is, where does the 4 way ...
2
votes
1answer
3k views

How does an AP acquire a channel via RTS/CTS in IEEE802.11ac?

There is one thing I do not understand in this IEEE 80211ac MU-MIMO specification and it concerns the way an Access Point can safely acquire a channel via the RTS/CTS mechanism before sending multiple ...
1
vote
1answer
39 views

how ieee 802.11s does channel switching? is it supported?

I'm studying about IEEE 802.11s wireless mesh networks every where on documents i read is pointed that all Mesh Point must be on same channel for discovery and peering. But i can't find anything about ...
10
votes
3answers
13k views

what to know about DSSS vs OFDM

In all the detail on DSSS and OFDM, I have missed which characterics of DSSS and OFDM make these distinct technologies. Nothing I've read appears to contrast the two. As I understand it, both DSSS ...
3
votes
1answer
125 views

In 802.11 Wi-Fi, Is it better to be on the same channel as other networks instead of being in an overlapping channel?

While being on the same channel as another network is not ideal, is it better than being on a neighboring overlapping channel because 802.11 specification has methods for dealing with co-channel ...
0
votes
0answers
26 views

How to determine which Wifi channel offers the least interference?

I'm trying to set up a roaming wireless network. For this, I have tried to analyze the area of coverage for any external network interference. I do know that networks can change over time and Wifi ...
0
votes
1answer
91 views

Loop detection in Extreme switch

I am facing problem since a month in my wireless network. I have extreme switch in my office and with switchport 22 i have given to backhaul with wireless vlan to it, the problem is that my switchport ...
0
votes
1answer
16 views

Possible to denylist individual WiFi AP device, but not SSID? [closed]

In a situation where a network of WiFi access points all serve the same SSID, is there a mechanism to configure WiFi client devices to connect to the SSID but ignore an individual AP? Specifically, I'...
2
votes
1answer
275 views

pFsense, Unifi AP, HP switch and VLANS

I have a Unifi AP with a single MYNET SSID connected to my HP 2520 switch on port 23. I have a pfSense LAN interface connected on port 1. AP clients get DHCP (192.168.1.0/24) from pfSense and can ...
1
vote
1answer
489 views

Do mobile phones continuously broadcast their IMEI number so that cell towers can find them?

Edward Snowden said that in an interview. Is it exactly true? Does it have to do with SSN (sim serial number)? Is the SSN broadcasted with encryption and modulation done to it or is the IMEI number?
0
votes
0answers
30 views

In wireless networks, how do Service Sets and Basic Service Sets relate to each other, if they do?

I am beginning to learn about networks and wireless networks, specifically, and am having trouble grasping how do Service Sets and Basic Service Sets relate to each other, if they do. Are Basic ...
1
vote
1answer
197 views

How select and implement proper wireless security mechanism?

I am having issue regarding wireless security Mechanisms. WEP, WPA and WPA2 TKIP,EAP, LEAP, PEAP, EAP-TLS, EAP-TTLS and CCMP How do we implement these security mechanism effectively on ...
1
vote
1answer
35 views

When a phone sends a series of zeros over radio waves to a cell tower, how does the tower know how many in a row it is?

So if a 1 is represented by 100 MHz and 0 is 50 MHz, 101 would be 100 50 100. But if the phone sent let’s say 5 zeros in a row, how can the cell tower know if it was one zero or 3 or 5 or 7 since they’...
3
votes
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
4answers
1k views

How can I introduce VLANs to an existing setup with wireless Access Points?

I am by no means an expert when it comes to networking but I recently inherited a network setup which is using wireless Access Points that clients can connect to (usually via a wireless device used in ...
2
votes
3answers
22k views

Is it better to use channel 13 than channel 11 on 2.4GHz band

When I analyzed the wifi networks in my area, most of them are set on channel 1 and channel 6, so it would be most wise for me to set it on channel 11. My router however, provides the option to set ...
3
votes
3answers
96 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?
1
vote
0answers
35 views

1941W wireless clients losing DHCP IP address [closed]

I am attempting to 'extend' a 192.168.1.0\24 network with an experimental network 192.168.10.0\24 using a 1941W router. I have configured 1941W to distribute a 192.168.10.0\24 network, with WLAN ...
0
votes
3answers
45 views

How does the network client pick a wifi signal, given two available frequencies?

This might be basic, but I don't know the answer... Given a router and a client, both having 2.4G (slower, more range) and 5.XG (faster, less range) frequency radios (and both named with the same SSID ...
0
votes
1answer
45 views

Mesh network 802.11d vs adhoc

What is the difference between 802.11s and adhoc? Is it compulsory to have same channel for wireless mesh node or it can have created using different channels where neighbouring nodes on on 2 non ...
3
votes
2answers
522 views

PAgP over transparent wireless point-to-point links

We have 2 buildings which are interconnected by 2 wireless P2P links. One is used as main connection, the second one is for redundancy and backup. So far, we have these 2 buildings in flat L2 network ...
2
votes
2answers
412 views

The difference between routing and path selection

I am having difficulty in understanding the difference between the routing and path selection. I am working on IEEE 802.11s-based mesh networks and reading about the default routing protocol HWMP. In ...
0
votes
1answer
21 views

Different APs can be assign gateway from different brand

Edge-core EWS101 can be assign as gateway for EnGenius ENS202 APs ? Different brands will be work as gateway for wireless controller ?
2
votes
2answers
50 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
74 views

What is the state of IEEE 802.21 adoption?

I am working on heterogeneous networking in wireless networks, and the IEEE Std 802.21 (Media Independent Handover) seems to tackle some of the problems I am facing. However, I could not find ...
10
votes
3answers
4k views

Why is my UDP broadcast wireless communication capped at 1 MB/s?

I am trying to implement Network Coding over a meshed network. Therefore I need to send packets to several destinations, this is way I am using Broadcast packets. But I can not understand why this is ...
0
votes
0answers
99 views

DHCP is not assigning IP addresses to clients on the other side of a Light Weight Access Point in Packet Tracer

This is me explaining what I'm doing/conceptualizing my thinking. a tl;dr is at the bottom for the main problem I'm facing. I need to use packet tracer though as a requirement (it's a class project) ...
10
votes
2answers
45k views

Cannot use 5GHz band Wi-Fi from channels 100-140

My AP operates in the 5Ghz band. There are no problems using Channel 36 to 64; however, clients can't even detect the SSID if I use Channel 100 to 140. Below is a screenshot of Netspot showing all ...
6
votes
3answers
41k views

How to put special characters on ssid

Refer to the picture above. I would like to add the word "FREE" for my SSID. How do I do that? I've seen this ssid around my area but I don't know how to implement it on my router.
1
vote
3answers
89 views

Point to point link with two Internet connections

Thank you in advance for reading this question. I have two buildings, let's say A and B, each connected to the Internet. Devices in A also need to access devices in B and vice-versa. The Internet ...
3
votes
1answer
379 views

Alternatives to 802.11* wireless bridge?

Every now and then the question arises for me to link two Ethernet segments over some kind of outdoor wireless connection. It is usually over comparatively short distances (at some places maybe some ...
18
votes
4answers
24k views

Cisco APs ignore DHCP Option 43 and use CAPWAP UDP broadcasts

Background I am trying to redeploy Cisco 1242 LWAPs on new Cat4507R+E switches, which means the IP address of the WLC is changing for that LWAP. For some reason, I have to configure ip helper-...
1
vote
0answers
24 views

Can I use a wireless access point (or two) to extend my existing wireless network? [closed]

In large commercial buildings I typically see several ceiling mounted Wireless Access Points. When moving throughout the building, I do not have to continually reconnect to different networks (or ...
1
vote
1answer
71 views

Does tcpdump work differently from Omnipeek?

I have been trying to analyze packets using tcpdump. I am trying to use a wireless card and capture packets through monitor mode, instead of promiscuous mode, since I want to see what kind of traffic ...
1
vote
0answers
24 views

What are the good hardware, software and equipment's suggestions to set up a wireless infrastructure? [closed]

I am working on providing wireless infrastructure suggestions to a client like what software, hardware and equipment will be required to a client in order for them to set up the wireless ...
0
votes
1answer
67 views

How is a video calls bandwidth reserved on a wifi network?

All the older versions of Wifi, except for Wifi-6, give each device on the network the entire bandwidth /highway no matter how small the amount of data it needs to transfer. Can someone explain how ...
3
votes
2answers
94 views

Why do wifi devices slow down as other devices start doing work?

I've been doing some testing lately on 802.11g and I'm very confused by the results. I'll go into the details below. First please understand I'm a software developer, but not a network engineer. I ...

1
2 3 4 5
13