0
votes
1answer
47 views

Worldwide IP Latency [closed]

I want to create a simulation of the protocol MIPv6 (http://www.ietf.org/rfc/rfc3775.txt), for this reason I need information about latency, jitter and round-trip time. My first guess is install ...
0
votes
1answer
66 views

Token Ring Number of nodes in MAU [closed]

why the token ring has limitation of 260 nodes per MAU using STP cables? How the number of nodes per MAU is calculated? I know we can use more than 260, but why IEEE-802.5 is Standardized it to 260 ...
1
vote
0answers
15 views

Routing table taking long time to update for adhoc networks and OLSR

I am using OLSR to implement adhoc network and analyse the throughput.I have olsr working on 3 interconnected computers on adhoc network. I am using jperf to simulate and visualise the data ...
2
votes
3answers
3k views

How to find all the snmp enabled devices in my network?

I want to find all the snmp enabled devices in my network, I got something like how it works in a agent and manager architecture. I got net-snmp library to create a simple application to get the snmp ...
1
vote
1answer
341 views

What was SPX from the IPX/SPX stack ever used for? [closed]

Been trying to learn about older networking protocols a bit, and figured that I would start with IPX/SPX. So I built two MS-DOS virtual machines in VirtualBox, and got IPX communications working ...
0
votes
1answer
2k views

Optimize OpenVPN connection?

This is a big headache for me for a few days now. I having 2 servers on different location. We use OpenVPN to connect between the 2 servers. Server1 has a Uplink of ~100mbps (OPENVPN Server) ...
2
votes
2answers
160 views

What is the point of PPPoE? [closed]

I am trying to expand my knowledge of networking beyond the basics. I have started reading about PPP, and how it is used in DSL modems with PPPoE and PPPoA. My first impression of PPP was "well that ...
0
votes
3answers
139 views

What transport protocols can be routed properly over the Internet, other than TCP and UDP?

I recently noticed that my ISP doesn't like routing native SCTP traffic over the Internet, unless it's tunnelled through UDP. A bit of a pain, but I solved the issue by using tunelling. This issue ...
0
votes
1answer
187 views

Manage the Win2008 routing table

I have a networking issue As I have now two network cards and each one should connect to a specific network; one should be used to connect to the internet and the other one for intranet. I want to ...
1
vote
2answers
257 views

(Simple) UDP Protocol - Networking

I know that UDP is an unreliable protocol where things can arrive out of order, fail to arrive completely, etc. I'm also aware that when using UDP for something like traceroute, packets that arrive ...
0
votes
1answer
230 views

introduce latency between ec2 instances

I have a 2nodes Cassandra ring on ec2 (10.96.31.143, 10.254.94.177) in the same zone (east-1). How can I introduce a 3 seconds delay for all cassandra-related network communications between them? I ...
3
votes
4answers
1k views

Ethernet switch capacity question

We're looking at hooking up 48 small embedded systems with 10/100 Ethernet ports to an Ethernet switch and then have that switch talk to a server upstream via a faster connection. I have a couple of ...
1
vote
2answers
498 views

Does intra-subnet traffic on a WLAN pass through a router?

Lets say I have two hosts, 1 and 2, both connected to the same wireless router, same network and same subnet. If 1 pings 2 will: (a) 1 addresses a wireless packet to the router's MAC address, but ...
2
votes
1answer
188 views

Confusion about TCP packet analysis terms

I'm analyzing our network and have some confusion about the terms: this is the 2-packet output from source to destination. from these i have to get some features as describe, pls make me clear... ...
4
votes
1answer
167 views

How do IP address to location services gather their information

My continued series of questions on IP addresses (ref Q1 and Q2). There are several IP address to location services. For instance: http://www.ip-adress.com/ip_tracer/ and ...
11
votes
5answers
480 views

Understand IP addresses and location

I risk posing an ill formed question here, but I'll give it a whirl. Does it generally stand to reason that the nearer IP address A is to IP address B numerically, then the nearer IP address A is ...
2
votes
1answer
370 views

hping command line assistance

hping has such horrible documentation and seemingly many different types of syntaxes. I would like to know what the hping command would be to send a TCP packet with a source IP of 192.168.0.2, a ...
2
votes
2answers
1k views

Ports that are always open? How does softwares like bittorrent manage to communicate even without port forwarding?

How come bittorrent clients manage to communicate to servers and other peers even if the user has not configured port forwarding on their routers? Of course the speed will be reduced compared to ...
3
votes
2answers
47 views

“entering link in browser” to “finding route to host” how it works?

Is there a wiki or book, which explains what happens when user enters a link in the browser, and how the dns is resolved, how the router finds the route to the host etc.. I am mainly interested in ...
1
vote
1answer
168 views

Host ::1 resolves to remote IP

/etc/hosts files usually have this line, ::1 localhost. I thought ::1 was the equivalent of 127.0.0.1/localhost, and from my reading it seems to be the IPv6 version. So I was using it in Apache for ...
0
votes
2answers
35 views

Request time out error

Hi Today i came across strange problem whenever i try to pinging to my server works properly but whenever i send http request from browser the request time out happens. can anybody help me to resolve ...
0
votes
3answers
247 views

Network simulator tool [duplicate]

Possible Duplicate: Free Network Sim? I want to start reading some stuff about networking and i need to practice what i read so, is there any tool that can simulate the design of a network?(i ...