All Questions
63
questions
5
votes
1
answer
9k
views
How can I determine the IP addresses allocated by DHCP on a router that I'm connected to?
This “router” is not a typical situation. I’m using my phone as a hotspot and can only configure a select number of DHCP options.
I can manage the limit on how many devices/clients can use my phone ...
- 89
3
votes
1
answer
2k
views
Why does DHCP Server prefer unicasting over broadcasting and at what cost?
According to this book the DHCP Offer must be broadcast, yet sniffing DHCP packets: it looks like neither OFFER nor ACK is broadcast (or am I mistaken here?). The screenshot was taken during:
ipconfig ...
- 237
3
votes
2
answers
4k
views
Static IP, DHCP Reservation, or *both*?
Fairly new to networking concepts, have read the thread DHCP Reservation vs Static IP address, and still have a "dumb" question that wasn't asked there:
I have two devices I'd like to "freeze" an IP ...
- 95
3
votes
1
answer
1k
views
How can I add some static IP address at IPv6 for Windows 2012 DHCP server?
I would like to add some static IP address to my Windows 2012 DHCP server. I have tried to pair the IP address with its MAC address. At IPv4 it works, but how can do it at IPv6? Could anybody link a ...
- 149
3
votes
2
answers
2k
views
Want to know the local IP address assigned to me by my ISP
I use a TP-Link router (3420) to connect to my ISP.
My local IP address is 192.168.0.22. The ISP uses DHCP and the router shows the range of it 10.19.xxx.xxx. Sites like whatismyip.com show the ...
- 41
3
votes
2
answers
3k
views
Why won't my DHCP addresses "stick"?
I've been having some addressing issues that I've been unable to solve, and I'm hoping I can get some guidance about other things to research.
Service provider is Time Warner cable. A static IP is ...
- 1,799
2
votes
3
answers
7k
views
Why the IP address of the router is used as the address of the dns server?
These are the steps for converting a router to dhcp:
Why used the router IP as the DNS server IP address in the last case?
Should not use the IP address of servers like Google (8.8.8.8)?
- 514
2
votes
2
answers
3k
views
DHCP not issuing out IP addresses
DHCP on my network is no longer issuing out IP addresses. Every new device must be manually configured to connect to the network. After executing show ip dhcp binding, i noticed that all the ip ...
- 185
2
votes
4
answers
57k
views
Getting strange IP Address from router
I've had a router set up for quite some time and it has been working perfectly. My wife called me to tell me the wireless internet wasn't working and when I came home I saw that my phone was connected ...
- 58
2
votes
3
answers
1k
views
how to connect to different WI-FI with static and dynamic IP addresses?
How to connect to different WI-FI with static and dynamic IP addresses?
I have any user with loptop that connect to Wi-Fi inside Co and I set static IP for them
But when users go to their home and ...
- 21
2
votes
2
answers
425
views
Roommates have several IP addresses on LAN : how and how to stay at one?
We have a not so bad connection at home, but we have some huge lag spikes. We have a terrible upload rate (around 0,95MBps at peak performance) and as soon as there's too many people on the network, ...
- 119
2
votes
3
answers
24k
views
Why does my router stop giving out IP addresses
I've got a Cisco Linksys X3500 ADSL2+ router which we have been using fine for a long while, until all of a sudden, the router stopped providing IP addresses after a certain amount of clients were ...
- 187
2
votes
1
answer
50
views
Networking subnetting
I have a quick question I'm trying to set up my router DHCP server to have as many leases as possible so I'm trying to change its settings.
At the moment it's set like this:
Lan IP address 10.10.0.1
...
2
votes
2
answers
6k
views
How to configure my 2 router to make them as access points
I have this broadband and the main wireless router: Main Router
Also I have two other routers and would like to make them as access points. So All with the same SSID, then the device can choose the ...
1
vote
3
answers
3k
views
How does my ISP send my IP address to my DHCP server (router)?
It is well know that usually in small networks the IP of a host is allocated by the router, which acts as a DHCP server. Also, since my router acts as a NAT, it is sufficient to give my subnet a ...
- 155
1
vote
1
answer
6k
views
Static IP address outside of DHCP subnet?
I just set up a wireless repeater bridge. My primary router's IP address is 192.168.1.1. I had a friend guide me over the phone on setting this up. He told me to set my bridge's IP address to 192.168....
- 13
1
vote
1
answer
142
views
Send files between two systems over LAN
I am able to send the files from one to another system connected on same router in a LAN.
Now, I connected one more router to the first router to increase the range of wireless connectivity.
When I ...
- 135
1
vote
2
answers
358
views
Can my router provide IP addresses with an internet received via wifi?
I'm using a borrowed wifi signal from my neighbour, all the devices in my apartment receive IP addresses from his router. Once I was having some connecting problems and I decided to try using what ...
1
vote
1
answer
4k
views
How can I assign an IP without DHCP enabled on the router and no static IP configuration possible on the device itself
Situation
I have a Chromecast that I want to connect with an ethernet cable. So I've bought an ethernet to micro usb adapter. I plug the ethernet cable into my router but the chromecast will not get ...
- 13
1
vote
1
answer
6k
views
Can't connect with IP outside the DHCP range
My modem/router (it acts as both) has an IP of 192.168.0.1. The subnet mask is 255.255.255.0. The range of IP addresses used for DHCP is 192.168.0.100 to 192.168.0.200. To be clear, if I connect with ...
- 131
1
vote
1
answer
20k
views
PC is getting wrong IP address despite DHCP
From one day to the other (maybe a windows update was in between, not sure), my PC is currently always (self assigning?) getting an IP address configured like this:
Automatically configured IPv4-...
- 357
1
vote
1
answer
1k
views
Static IP in dhcp server
I have the following situation:
Home network DHCP server ranged : 192.168.1.2-99
I need to set up a static ip for a machine in: 192.168.1.91
I cant set it up from network adapter because this ...
- 23
1
vote
2
answers
1k
views
Blocking or Disabling Rogue Routers
We have a medium sized network and from time to time something bad happens. Once it was a router configured to assign IPs via DHCP that did not match our network mask, thus making all clients unable ...
- 213
1
vote
0
answers
195
views
Connecting the old router to the main router
I have Calix 854G-2 as my main router (with IP: 192.168.1.1), and Netis WF2419, the old router that I want to connect with main router via wireless (not able to connect them with cable). In the DHCP ...
- 11
1
vote
0
answers
242
views
Public IP address assigned instead of DHCP ip range address
I'm using a second router to connect to my main router to create a new wireless SSID.
Here's my current setup:
First router/main router - Generic branded router is provided by ISP and connected to ...
- 11
1
vote
0
answers
48
views
Single client with both a static and a DHCP address
I used my TP-Link AC1750 (Archer) router to assign a static address to my Brother laser printer, but the router assigned a DHCP address also when I rebooted the router. A network scan has it showing ...
1
vote
1
answer
1k
views
DHCP Pool Range / IP-Camera Setup
Lately I have been trying to set up a IP-Camera for friends wirelessly.
I realized on their router its DHCP pool range is from 192.169.2.100 - 192.168.2.200.
But when I changed the IP address of the ...
- 133
0
votes
3
answers
480
views
What is the relationship between my public IP address and the address assigned to my NIC?
When I run an online IP-lookup tool, like https://whatismyipaddress.com/, I get an IP address like 24.253.65.208.
But I've set up my home router as a DHCP Server and I've assigned static IP addresses ...
- 1,207
0
votes
2
answers
668
views
Very weird DHCP IP range, never seen it before
I'm trying to figure out what this DHCP IP range means, it's in a format which I've never seen before.
Am I right in thinking that the range is in the middle? If so, then what the heck is the number ...
- 1
0
votes
2
answers
1k
views
IP address assignment and configuration for multiple devices, multiple routers at home
Due to various reasons, I have 3 WiFi broadband routers at my home (or say my personal hobby hacking lab). On WAN side one is FTTH, another is ADSL and third is 4G-LTE. On WLAN side they are assigned ...
- 659
0
votes
2
answers
3k
views
How does ISP know when to change the dynamic IP?
As I understand, ISP uses DHCP protocol to give out IPs from some pool. Every time they give the IP via DHCP it has a lease time. At the end of a lease time, a router can receive the same IP - but it ...
- 161
0
votes
1
answer
562
views
internal static IP address configuration from router
How do I reserve an IP address for tleilax and ensure that tleilax only gets that reserved address? The tleilax box uses DHCP.
When I look at attached devices, I see:
Attached Devices
Wired ...
- 1,650
0
votes
1
answer
149
views
Windows Home Server running for the first time in years - How to find out its IP address?
Several years ago I used a small Acer Windows Home Server. I have not used this device in years. Now I would like to access it again to see what data is still on it.
Beside some USB ports its offers ...
- 163
0
votes
2
answers
79
views
router not getting address from DHCP
In an office building, I plug a computer into a network drop in one of the offices. I get an IP address and access to the Internet. I needed to setup a private network for file sharing. So I set up an ...
- 101
0
votes
1
answer
587
views
If I have 2 IPs assigned to an interface, how do I release just an specific IP?
I was doing some dhcp tasks for homework, and in one exercise I needed to release the IP on one client, to then in the server with tcpdump capture the packages describing the whole DHCP communication.
...
- 135
0
votes
2
answers
135
views
Trying to understand DHCP for my particular situation
Although I have read articles on networking, I still fail to understand it practically, so I would very much appreciate someone explain my questions. (I know the theoretical definitions, I just don't ...
- 866
0
votes
1
answer
5k
views
Router Access Point not assigning IP addresses
Hopefully a quick question here about problems I'm having whilst setting up a router being ghetto rigged into a access point at my mates house. The main router is connected via ethernet cable to the ...
- 1
0
votes
1
answer
648
views
Primary router routes everything through secondary router
I have two routers, that I want to represent two subnets. They are configured in this way:
Primary router (from ISP):
LAN: 192.168.0.1 / 24
DHCP: 192.168.0.10-100
SSID: 'router1'
Secondary router:
...
- 214
0
votes
1
answer
2k
views
Running two wireless routers at home with same subnet
Basically due to poor reception of the Airport Extreme AC Router (which is located in the living room) when I'm in the bedroom I bought a new ASUS RT-ACRH13 router. However this has just as bad ...
0
votes
1
answer
445
views
Networking layout and multiple DHCP
So I got an assignment where I have to design a local network for my school.
Here's what I have :
ZTE F660 WRouter from my provider, connected to internet via fiber
SG1008P Switch
EAP 110 A, for ...
- 13
0
votes
1
answer
551
views
ADSL router - public IP for local network
Today I went to my friend and took a look at his PC. He has ADSL router ZTE ZXDSLl 831cii. So there is a telephone line to router and PC is connected to Lan1 of the router (there are also Lan2, Lan3, ...
- 543
0
votes
1
answer
222
views
Internet drops - two routers handing out IP addresses?
My apartment block of 14 apartments share one fiber-optic internect connection. However, I've been having trouble setting up my wifi. I have two routers.
1) A D-link. This works out of the box, but ...
- 101
0
votes
1
answer
198
views
Show pc with static IP on dynamic IP router
I have a router with dynamic DHCP where I created some fixed addresses for some things I want to use with dyndns.
The problem is, that I have a pc/server which does not support DHCP/dynamic IP, so I ...
- 1
0
votes
0
answers
47
views
Access Point ip address is different in Web UI than what router shows
I have an Edgerouter X as router and a Fritzbox as access point. The ER-X shows a different ip address for the fritzbox than what the fritzbox itself show in its own network settings. Also the ...
- 101
0
votes
0
answers
63
views
Xfinity hotspot not connecting to certain websites via extender
I am a Xfinity customer and receive xfinity hotspot at my location. The signal is weak so I got an extender. I was able to connect the extender to the xfinity hotspot, however it connects to some ...
- 1
0
votes
1
answer
621
views
Custom subnet mask while using DHCP
I'm trying to connect to an RPI on the same physical network over SSH. Normally, I'd do this with a simple ip a, ssh xxx@ip, but because of the network it doesn't work. There are several problems:
...
- 1
0
votes
1
answer
475
views
Zyxel NAS326 not getting IP after powerloss
I bought a Zyxel NAS 326 and configured my router to a static IP. (192.168.0.110)
After power loss, I can't connect to the NAS (the IP is not responding). Every time I need to disconnect physically ...
0
votes
0
answers
141
views
Assigning a static IP to device to run TCP Server for public IP's
I'm trying to make my C++ TCP Server, which I'm running at my house, accessible from the Internet. Server needs to be accessible from public IPs rather than just local IPs (eg. 192.168.20.*).
I've ...
0
votes
0
answers
45
views
Windows Local Static IP Address Changes While Computer is Running
I have my Windows 10 local server set to have a static local IP address of 10.0.1.19 through my wireless router based on the mac address of the computer's wireless adapter. For the past several months,...
- 1,630
0
votes
1
answer
229
views
Router Disconnecting randomly ! Bad Password?
I have been facing this irritating issue lately, and have exhaustively searched for simmilar issues online but didn't got it solved yet.
I am using a D-link dual band router.These are the present ...
