All Questions
Tagged with networking routing
1,831
questions
9
votes
3
answers
22k
views
What purpose is there in handling PPPoE on the router, rather than the modem?
I'm wondering what benefits there is to using "bridged" mode on a modem. If your router can handle PPPoE, is there any reason to bridge it over to the router, rather than having it run on the modem?
- 4,474
9
votes
3
answers
5k
views
Iptables forwarding port/s to a external IP transparently (remote end should see the actual source IP)
The question is simple but I think the answer might not be as I went through countless related topics with no concrete reply.
I wish to forward a port 1234 from x.x.x.x to y.y.y.y (both on internet ...
- 91
9
votes
3
answers
42k
views
How is next hop defined in routing table?
What does a routing table contain, only destination LAN address with the next hop? But what does this next hop mean, because looking at this example
I don't see the general rule how a next hop is ...
- 175
9
votes
1
answer
55k
views
How to forward packets between two interfaces?
My laptop (use's Ubuntu 13.10) is connected to internet using a wired connection at eth0 with ip 192.168.42.13 and it also acts as a wifi hotspot at wlan0 with the ip 192.168.1.1 (i used airbase-ng to ...
- 337
8
votes
5
answers
5k
views
My university tells me I can't use a router in my dorm. Is there any way they can tell?
We're behind some kind of Cisco routers, and have to connect via the Cisco NAC Agent. The tech support here at my university tell me that if I connect a router "the whole building will lose internet ...
- 183
8
votes
2
answers
5k
views
Is it normal for an ISP to have the same IP twice in a route?
If I traceroute out of my home network, I see the same IP twice in a row directly after my router:
1 1 ms 1 ms 1 ms router
2 17 ms 16 ms 16 ms 217.0.117.61
3 16 ms ...
- 476
8
votes
5
answers
57k
views
How does a Windows computer behave when it has multiple default gateways?
I have a computer(Windows XP) connected to two network interfaces, these two interfaces are connected to different networks and they are configured to receive a DHCP configuration, which means that ...
8
votes
4
answers
63k
views
"Destination port unreachable" when pinging computer in another subnet
In my home network, I connect to the Internet through a router (192.168.1.1). I also have another router (192.168.1.15, 192.168.2.1), this one using OpenWRT, configured as a wireless client. One of my ...
- 694
8
votes
1
answer
27k
views
Specify a network interface with curl
For some reasons, i want to code a proxy server that route its requests through its wifi interface instead of ethernet (which is the default route on the OS level). I know i could do that by fiddling ...
- 183
8
votes
2
answers
18k
views
How to allow FORWARDing with firewalld on a Fedora 19 router
I've just installed Fedora 19 and I'm using firewalld instead of iptables, but I'm having difficulty interpretting the new terminology.
I have 2 NICs. One is specificed ZONE="internal" and the other "...
- 261
8
votes
2
answers
60k
views
Why can't I ping a network printer from a specific computer only on the same network?
I have a small home network with a few computers/tablets and a network-enabled printer, all connected through wifi. The problem is I cannot connect (ping) from one specific computer ("A", 192.168.8....
- 131
8
votes
1
answer
592
views
Hooking Linux machine to secondary router/ISP: how to setup routing correctly?
Abstract:
I have (I presume routing) issues when adding a secondary ISP to my existing network setup: incoming traffic through Router1 is not answered, but local traffic and incoming through Router0 ...
- 2,933
8
votes
2
answers
645
views
Always use one slow connection in preference of a "faster" one
In Windows, there's this automatic metric thing where the metric is selected according to the declared speed of the link. I now have a gigabit LAN routed to a 2Mbps DSL service and a HSDPA mobile ...
- 7,109
7
votes
3
answers
11k
views
Correct way to provide a direct network link between 2 devices as well as connecting both to a switch
I have a server and a client PC directly connected to the same desktop switch. But I also want to put a dedicated separate high speed link between them as well. The aim being to connect them to the ...
- 1,735
7
votes
3
answers
36k
views
Mac OS X machine can’t reach other servers on the LAN
My Mac can’t reach other servers on the LAN.
janos@macbook:~$ netstat -r
Routing tables
Internet:
Destination Gateway Flags Refs Use Netif Expire
default ...
- 73