Questions tagged [subnet]
A subnetwork, or subnet, is a logically visible subdivision of an IP network.
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how does arp scanning cross the network layer?
I have the following setup in my network:
cc:cc:cc:cc:cc:cc -------- 192.168.1.5/24 phone bb:bb:bb:bb:bb:bb
(other networks and ...
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0answers
27 views
How to isolate two devices from each other in same wifi network?
Is there any way to do that? For not allowing the wireless connected devices to "see" each other while connected using the same router? By isolate, I mean totally hinder connected Device ABC from ...
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How to implement subnet for existing home network
This is really a nooby question about subnetting. I understand the basic concept behind subnets but I really don't know exactly how to implement it.
For me, I would like to have 4 subnets and from ...
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48 views
/16 Subnet on home network not working
I am new to subnets and apologize for the lack of knowledge. I have moved home networking IP addresses to the 10.0.x.x range for a few different reasons.
On my routers settings, I changed the DHCP ...
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1answer
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Are X.X.X.255/30 and X.X.X.253/30 in the same range?
According to wiki: "The first address in a subnet is used to identify the subnet itself. The last address is used as a local broadcast address for all devices on the subnet."
How would this work in ...
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How do I change the source IP of NAT-locally forwarded packets to the public IP of the forwarding router?
I have a typical consumer router(netgear) running DD-WRT.
It has port forwarding set up to a server in the private network.
I can send UDP-packets to that server, by using the public ip/DDNS address ...
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2answers
39 views
gateway using different subnet than router
I'm installing a new router on a home network and the new router's routing table is as follows:
The gateway shown here is the modem which used to also be used as a router. Now is this a problem that ...
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1answer
30 views
mDNS on a large domain
I'm working remotely on a corporate VPN and I can connect to our intranet webpage using the server IP address. I read it may be possible to instead resolve using http://servername.local/ourwebsite ...
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1answer
26 views
Configure static IP-adress to connect to device in subnet
I have a Dragino-Yun v2.4-shield, which is a device that can be connected with an Arduino to give it networking-capabilities. It has An Ethernet-Port and Wifi. I don't have a wifi-antenna at the ...
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2answers
11 views
What does it mean by the smaller the subnet mask size, the more IP addresses are available?
I do not really understand the part where it states that the smaller the subnet mask size, the more IP addresses are available? I thought the bigger the number after the slash, the more addresses are ...
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1answer
25 views
Subnet mask and Default Gateway
Since subnet masks defines the network, so does it defines default gateway's IP address?
Ex. if a class A subnet 255.0.0.0 is define, you set your default gateway to also be like 10.0.0.0 to 254?
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Are these 2 private LAN IP addresses on the same subnet or are in different subnets? [closed]
I am not so into networking and I have the following doubt related to some machines into the network of a customer.
So I have the following situation.
MACHINE 1: 10.173.17.92
MACHINE 2: 10.173.21.80
...
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1answer
44 views
Access bridged subnet
I would like to use ISP2 instead of ISP1 internet from PC1 computer. But I'm not even able to ping antenna A, however, antenna B shows that it is connected to antenna A. I would also like to access ...
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56 views
Windows Specific Route not followed to 192.168.0.0/24 subnet
My IP address is 10.0.1.15 and I am trying to route to access an IP address on 192.168.0.0/24 through a deafault gateway of 10.0.2.133. Can someone please explain why tracert to 192.168.0.134 is still ...
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Beaglebone Black update IP Address and subnet for USB0
I'm looking for some guidance regarding updating the IP address for the BBB. I have a BBB that I need to place remotely on my network. It's a custom BBB with no connections on it what so ever, other ...
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0answers
20 views
Creating an isolated network with internet access for UDP streaming
I'm trying to set up a video streaming system for a small organization. Of the many challenges, one is getting audio to sync with video. In order to accomplish this, I'm using two networked computers....
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43 views
Accessing device with a different subnet mask to the default router seting
My router's default gateway is 192.168.1.1 and subnet mask in 255.255.255.0.
So recently I was fiddling with one of my NAS drives (for some reason after doing a Windows 10 reset it will not show up on ...
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2answers
155 views
Routing to another subnet
My Network...
INTERNET
^
|
.-------------------------.
| Cable Router Gateway |
| 4-ports+WiFi |---- Wireless Devices
| DHCP server 10.0.0.1 |
`-----------...
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122 views
Connect Two Routers on Different Subnets
I have two routers that I am trying to connect on two different subnets. The reason for this is to create a secondary network for myself off of the primary network that everyone connects to for a more ...
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1answer
134 views
Cousin cant connect to my minecraft server because im running my server on a subnet of a wireless access point
I'm using a linksys router with tomato installed as a wireless access point for my computer upstairs... But the computer downstairs cant connect to the minecraft server im hosting on the computer ...
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1answer
48 views
IPv6: Do two computers connected on the same Wi-Fi have the same IPv6 address?
I know that two computers that share the same network also share external IPv4 address. But what happens in case of IPv6? Do they share a subnet ID as well? In other words, how can I know that two ...
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1answer
129 views
Subnet Home Network
I'm looking to better organize my home network and keep computers, routers, printers, and wifi clients cleaner. I've been researching subnetting and was wondering if the attached diagram would work ...
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1answer
141 views
Switching between VPN and non-VPN gateways
I have two routers, a stock Linksys and a Netgear running DD-WRT. What I would like to accomplish is the following:
I would like to have both routers running on the same subnet. Have the Linksys act ...
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1answer
49 views
Is the subnet combination correct?
Given the bellow networks, I'm asked if 172.16.0.0/13 is a correct supernet of the nets .16, .17, .18, .19, .20 and .21.
I would say that since every net has a /16 mask (making them all have 2^16 = ...
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1answer
167 views
Why cant my WIFI and LAN clients not see each other on the network but both have internet?
Oky so i have a small network consisting of 1 Tenda WAN router that does the PPPoe "dialing" and a Tenda AP for WIFI because the Tenda Router's WIFI is not as good as the AP. I plug a LAN cable from ...
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3answers
42 views
Connecting subnets controlled by master net
Recently i tried to make fairly complex (for me) network, i have FFTH and very simple master router which i cannot change (it has ONT) and 3 "slave" routers.
My goal is to connect everything like in ...
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1answer
159 views
How to connect to a device on the same LAN and different subnet
This may sound a stupid question...
I have an ADSL wireless modem. My phone and a router are connected to it (Router is wired to a LAN port).
These are assigned IPs:
Modem: 192.168.1.1
Router: 192.168....
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0answers
21 views
Connecting Subnetwork of Cascading routers
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i got a tomato 1.28 Linksys wrt54gl router acting as a firewall , on this router on the Lan Ports there is one Server which acts as a https redirection and one router (TP link n750 with openwrt 15....
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1answer
75 views
Can't access NAS from from subnet 1 but works in subnet 2. How to solve?
The topology is represented on the attachment. Routers are both Huawei HG9146V and HG8247H. Two subnets with DHCP running on R.TR for 1st subnet and static assigned addresses in 2nd.
The NAS (192....
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0answers
56 views
How to allow MAC Address to Access Another network / subnet using IPTABLES?
Its possible to have the MAC to allow Access Another network / subnet?
Im trying using Mac source and FORWARD but not working .
They are on two different networks that are locked to access but only ...
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2answers
272 views
How to determine where IP is Classful or Classless?
e.g 200.1.10.12/24 is given, is it classful or classless?
I think it is classful but if CIDR is given does that mean it is classless?
also 200.1.10.12/25 , i think this is also classful with 2 ...
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2answers
84 views
Static ip on different subnet cannot reach unpopular websites
I have a printer, raspberry pi, and a regular router
// printer
static ip: 10.0.0.100
subnetmask: 255.255.255.0
default gateway: 192.168.1.1
// raspberry pi /etc/dhcpcd.conf
static ip_address: 10.0....
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1answer
81 views
Why can I reach an Ethernet connected device with a static ip outside my network?
In my local network, I have the following setup.
My laptop's ipconfig output is
I've also connected a physical printer with via Ethernet to my router. This printer has an http interface which allows ...
0
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1answer
163 views
Connection from Node in OpenVPN subnet to Node in Router subnet
I am trying to set up an IP camera in our home to be accessible remotely over internet. I have blocked all access directly to the camera over internet to start with. And I have created a home OpenVPN ...
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1answer
124 views
How to route between subnets
Experienced, but very limited network knowledge - please bear with me.
I have a simple PPTP VPN server on my Ubuntu 18.04 server PC (yes, I know it's insecure, etc.). The router, PPTP server and VPN ...
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4answers
93 views
Does traffic on the same LAN and subnet travel through the router / switch
I know that there are many similar questions on this.
I have a UPC router / gateway at home. If I am transferring files via SCP or FTP from one pc to another just on my local network, does this data ...
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0answers
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How to deploy Java app to AWS Private Subnet
I want to deploy a Java application to a Private Subnet from my build environment (gitlab runner). My build tool is in another VPC network. How can I deploy my Java application from a different VPC to ...
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2answers
53 views
Communication problems across subnets
Here is my network setup:
[modem] -> [Router A] (IP: 192.168.1.1) -> [Router B] (IP: 192.168.0.1)
Both routers have a subnet mask of 255.255.255.0.
My problem is that while devices connected to ...
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0answers
231 views
OpenVPN - using different subnet for user group
I have a problem in configuring my openvpn server properly to cover a use case to route specific users (user groups) to different subnets. Current configuration:
VPN server
Internal IPs:
eth0 : 192....
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5answers
20k views
What does it mean to have a subnet mask /32?
I see in this question, the routing table has:
192.168.1.1/32 link#4 UCS 2 0 en0
openwrt.lan 46:94:fc:63:fc:7 UHLWIir 11 3610 en0 1200
...
0
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1answer
39 views
Cannot reach any other device in the same subnet
The situation is:
All devices are wireless devices
Subnet: 192.168.50.x
Default Route: 192.168.50.1
Subnet Mask for all devices: 255.255.255.0
Router -ping-> Any device: Work
Any device -ping-> ...
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0answers
17 views
Is there a way to configure my PC's network adapter to reach a device on a separate subnet?
I recently changed my router situation -- I added an Orbi mesh network and then my ISP changed so everything is behind a new AT&T router/modem. The Orbi is configured as an access point behind the ...
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0answers
700 views
Change the gateway in a docker network
I'm trying to create multiple dockers (from the same image) and put them in a subnet where I can work with them as if they were many machines.
version: "3"
services:
machine001:
...
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152 views
Router and switch subnet conflict
I have a router and switch in my home network. I can access the router via the IP 192.168.0.1. I recently plugged an 8-port switch into it (port 1 from router to port 8 on switch) and things were ...
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1answer
84 views
How to Assign Multiple IP Addresses and Subnets to Bind?
I have a home webserver, /29 IPv4 addresses (3 currently assignable from the block due to having a routed subnet with gateway address requirement) and two addresses already assigned to my DNS records. ...
0
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1answer
76 views
Connect 2 LAN networks on only 1 subnet
I'm not very good with network terminology or with networking in general, so if you are able to answer please make it as easy to understand as possible
I have two networks in my house: one on the 1st ...
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1answer
33 views
how many different subnets can there be for an ip address block that begins with 172.64 with a subnet mask of 255.255.255.224?
I don't want the answer so much as I have no idea how to find the answer. Can anybody help me with this?
It's a question from homework in a data networking course.
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2answers
542 views
How to merge two different subnet networks
Network A Network B
PC1 PC2 PC3 PC4
(192.168.1.100) (192.168.1.101) (192.168.0.100) (...
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1answer
349 views
Subnetting /21 network
I've been trying to wrap my head around subnetting. I'm trying to find the network, usable host range, and broad cast for 42.128.188.148 /21.
So I wrote out the numbers 128, 64, etc... and lined up ...
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1answer
228 views
Bonded interface with interfaces from separate VLANs in Linux
If I have two interfaces (eth0 and eth1) on separate VLANs (100 and 200), can they be bonded together into bond0 in such a way that traffic for each VLAN can be routed correctly?
Let’s say the subnet ...
