Tagged Questions

1
vote
1answer
43 views

Server is pingable on some ips but not on others

We have comcast business class internet with 5 static IPs. 4 out of 5 of them are assigned to a server that sits right behind the smc. The smc has DHCP disabled so it should be in pass through mode. ...
0
votes
1answer
61 views

Diagnosing WAN performance & peering issues without a second ISP uplink as a comparison?

Background: I am able to access Twitter & Serverfault from work (using Level3) with no problems. However when I use RCN I get crummy service and am not able to load the page. Page reloads ...
1
vote
0answers
37 views

How normal are remote connection faults and what do they mean? [closed]

Quick background: I have been having a lot of connection issues with my home network. I finally got my ISP to understand and after them checking some of the problems outside of my home I've gone from ...
-2
votes
3answers
147 views

How to become an ISP [closed]

well cutting to the point... I want to be able to provide internet to rural areas of my country so they can too gain acces to internet for free. I was wondering what I need to start small, like ...
2
votes
4answers
1k views

Downloads pause and time out frequently

I'm a new systems and network admin. My experience has been in the hardware and software of systems and servers, the network part is pretty new to me. I'm familiar with plugging numbers into network ...
2
votes
1answer
69 views

Questions and opinions of a Cable line with a back-up T1

My company currently has only a Covad T1 that connects the main office to the internet. This line is mainly for our billing office (located across the state) to connect to us for our Terminal Server. ...
1
vote
4answers
1k views

How to set up daisy-chained routers for separate sub-nets?

This question seems to be similar to others, but I'll take a shot anyway. A client recently switched ISPs from TDS to Comcast Business Class. Before the switch, they had 5 static IP addresses ...
1
vote
5answers
358 views

How do I notify everyone in a network that the Internet connection is down?

Our internet connection is awful. It goes up and down several times during the day without warning. Every time it does, we get a large number of calls saying the network is down. Replacing the ...
1
vote
1answer
239 views

Where does ISP obtain their IP address from in order to connect to internet?

To my little knowledge, my home computer can connect to internet because the ISP assigned a dynamic IP address to my router. Then through NAT, the router assign an dynamic IP address for my home ...
1
vote
3answers
1k views

MAC address stealing?

Recently my i-connection started to get laggy. Sometimes it disappears completely. ISP told me that someone steals my internet. Someone has managed to sniff my MAC address, kick me out and surf web ...
4
votes
1answer
164 views

Calculating and billing IP multicast usage on the Internet

I've been searching for the reasons why IP multicast isn't widely supported on the Public Internet, and a commonly-cited reason is the difficulty ISPs have in tracking Multicast usage for later ...
4
votes
9answers
9k views

Best solution for Multi-WAN failover (inside & out)? [closed]

Looking for a way to setup 2 ISPs in failover mode, for both incoming & outgoing traffic, for our small (<100 devices) network. The leading contender for now seems to be the Peplink Balance ...