All Questions
Tagged with networking routing
1,832
questions
198
votes
13
answers
407k
views
How can I make the Windows VPN route selective traffic (by destination network)?
I want to use a Windows VPN but only for a particular network, so that it doesn't take over my entire network connection.
e.g., Instead of the VPN becoming the default route, make it only the route ...
- 5,910
134
votes
14
answers
122k
views
What is the exact use of a MAC address?
I understand that IP addresses are hierarchical, so that routers throughout the internet know which direction to forward a packet. With MAC addresses, there is no hierarchy, and thus packet forwarding ...
119
votes
7
answers
45k
views
IP address that is the equivalent of /dev/null
Is there an IP address that would result in any packet sent to be ignored (blackholed)?
I know I can always set up a router with an IP address and then just have it ignore all packets sent to it, but ...
- 6,151
81
votes
3
answers
53k
views
How do you get loopback addresses other than 127.0.0.1 to work on OS X
According to everything I read, the entire 127.x.x.x subnet should loopback.
However, on my Mac, I can only ping 127.0.0.1
I know I've done this before (though possibly on another OS) and has come ...
- 913
69
votes
2
answers
123k
views
What is the difference between ARP binding and DHCP address reservation?
In my TL-WR1043ND I have these functionalities and both of them pair an IP address to a MAC address. What is the difference?
I read that ARP is for security reasons, others say it is for Wake-on-LAN. ...
- 5,234
50
votes
2
answers
47k
views
Does All LAN Traffic Travel Through A Router
I have a very simple question: if I have a router (DHCP enabled - leasing IP addresses between 192.168.0.2 and 192.168.0.254) with a switch plugged in, and I plug two computers into the switch, will ...
- 898
49
votes
9
answers
11k
views
Why are subnet-masks relevant for the individual computer on the network?
I understand how subnet-masks are used to divide a network into sub-networks, but, why does every computer in the network need to know the subnet-mask and not just the router?
I could understand it, ...
- 612
42
votes
3
answers
141k
views
How to route only specific subnet (source ip) to a particular interface?
How to route only specific subnet (source ip) to a particular interface?
OS: Linux
I know I can do easily by destination IP by using something like
route add 1.2.3.4/24 dev eth4
but I do not ...
- 1,165
42
votes
1
answer
34k
views
iptables vs route
What's the difference between these two tools?
Can anybody tell me what the main workflow of networking behind Linux (in relation to IPv4 packet filtering, NAT and IP routing table) is?
- 1,280
41
votes
3
answers
9k
views
What's 24 in "192.168.15.0/24"?
What's the meaning of /24 in the following command?
route add -net 192.168.15.0/24 192.168.8.10
- 3,064
37
votes
3
answers
111k
views
On Windows, how to determine route for IP destination?
How can I determine the IP route taken for a specific IP destination (without looking at "route print" and figuring it out manually)?
In OS X there's route get 1.2.34 and in Linux there's /sbin/ip ...
- 1,814
35
votes
4
answers
7k
views
How smart is my network?
There is an argument within my office about how smart/efficient the network we have set up really is.
We have a fibre line and a cable line running into a load balancing router, which has a hardware ...
- 479
34
votes
5
answers
5k
views
What stops an internet router from sniffing my traffic?
Packets travel through internetworks, and take many routes through internet routers.
On each route that forwards traffic to another until reaching the ultimate destination, what stops them from ...
- 495
34
votes
6
answers
8k
views
I have a domain, static IP address and many devices I'd like to access outside my house. How do I route them?
I have a domain (e.g. example.com), static IP address (e.g. 212.5.5.5) and local devices at 192.168.0.1:80, 192.168.0.2:80, 192.168.0.3:80, 192.168.0.4:80, 192.168.0.4:47 (this one is not a website).
...
- 343
32
votes
4
answers
46k
views
Route the traffic over specific interface for a process in linux
Is it possible to route the traffic used by a process over a specific interface?
For example, network traffic by download application should always use the interface wlan0 whereas all other ...
- 583