A week ago, after opening wireshark, i was surprised by seing a storm of ICMP packets from different IP addresses. While deep analysing of thoses packets, i noticed that those ICMP packets contains IPv4 headers and UDP/TCP headers. It seem...
Posts tagged as “network”
I’ve two router in office with two different switches.
first one in internet and it’s sharing through a switch between clients (every pc has 2 network adapters)
the second one is a special MAN network with a (single user)VPN connection (vp...
A lot of journals mention that the modulation technique for both ADSL(2+) and VDSL(2) is the wired version of OFDM (DMT), but the Wikipedia page for OFDM states that OFDM in general is a method of encoding digital data:
In telecommunicati...
ADSL and VDSL architecture at the physical layer looks extremely similar:
is this because both are under the xDSL family? are there any actual differences between ADSL and VDSL architecture in the physical layer?
Assume the following: (1) the propagation delay between browser and server is 100
ms, (2) the transmission rate of the link is 10 Mbps, (3) a web page, base HTML file
100 Kbytes in length, contains two images of 1000 KBytes each. Compute t...
I am studying a course about computer networking and again I stumbled upon a section that raised a question. I found very helpful people in this forum and I hope you can help me once again.
During the lesson I was given the IP address exam...
2 networks. Network 1 local and i want to be able to receive and send information to network 2 which is at a remote site, branch site. How do i go about connecting both networks so that both machines can communicate. I do not wish to use a...
Suppose I am sending data to a laptop with IP address say x but before data could reach its destination the laptop is moved to another network and now its IP address becomes Y.
Will the receiver still somehow receive data or would the pack...
I Came across incident where i need to troubleshoot IPSEC Site to Site connectivity issue . The term "lifetime" confuses me . please anyone explain me importance of lifetime in VPN . Whats its function .
How its effect traffic fl...
Our company delivers, installs and maintains custom build hardware at customer sites. In all cases the delivered setup contains at least 1 server and 2 network devices. To keep the control over the network, we setup a separated network ins...