• How and where does fragmentation happen?

    Say I have a data of 5000 bytes. Once it reaches layer 4 the TCP header will be added. as the data is large there will be 4 pieces of the data; so there will be 4 TCP headers one for each piece. Now the 4 pieces go to the layer 3 one by one. Will there be any function of Fragment Offset and...

    Pratyush19875 pointsBadges:
  • Is it possible to create virtual ethernets in Linux?

    We're currently doing a project based on implementing a protocol that basically talks between two different computers using an ethernet. Instead of having two physical computers, we want to create two virtual ethernet interfaces and have them only talk to each other (one would bind to the other)....

    ITKE371,835 pointsBadges:
  • WiFi and Ethernet communications over a router

    If I have computers connected to a router via both WiFi and Ethernet, how do the computers communicate? For example, does the WiFi computer receive an Ethernet packet within a WiFi packet, or does the WiFi packet contain an IP packet?

    ITKE371,835 pointsBadges:
  • Ethernet

    How different is Ethernet as used in LAN and WLAN?

    fauzia1235 pointsBadges:
  • Wake on LAN / Magic Packet broadcast doesnt work through PPTP

    Hi, I have a network, where I want to use WOL from a remote PC. It works when I send a packet from inside the network (or on the server). If I connect via PPTP from a remote Windows XP PC, I can't wake up the PC on the LAN. I suspect the broadcast packet doesn't reach the LAN. The PPTP connection...

    Benbje0 pointsBadges:
  • Ethernet

    Why is there a propagation delay for maximum-extent Ethernet network is 28.8 μs

    ps25 pointsBadges:
  • LAN connectivity problem with Compaq notebook

    I have a Compaq EVO n1020v notebook. This works fine in our office LAN and sometimes it does not at all. Office LAN is a workgroup with ICS enabled in win 2K server. If I check the IP of the notebook it shows the IP of the LAN but never connects to the internet, can't access LAN...

    BinooDas123410 pointsBadges:
  • Default gateway VS IP default route

    I manage a rather complex network. At one of my sites, I have a Cisco 3750 switch as the main switch. I have all LAN devices set to point to this switch as their default gateway. I have the switch default gateway set to point to the firewall. However, no traffic will go past the switch to the...

    Acandler0 pointsBadges:
  • Driver required for Dlink Dub-E100 USB-Ethernet on Windows 7

    Hi, I am using Win7. The USB-Ethernet adapter of Dlink 'DUB-E100' shown here. The msdn website says, no need to install driver but Windows 7 doesn't detect automatically. The CD and its website doesn't provide driver for Vista and Win7. I tried doing it in 'compatibility mode' and 'adding a legacy...

    Ubuntuv40 pointsBadges:
  • Mac address to IP address resolution

    How can we resolve IP address from Mac address and can we do this from Cisco switch 3750? We are able to track port no and associated Mac address from Cisco switch by using the command #sh mac-address-table dyanamic>, but we also want to track the associated IP address with port no. Please...

    Ruchitgarhwal0 pointsBadges:
  • 110 block cross connections

    How many times can you cross connect a 110 block

    Jemm5 pointsBadges:
  • Information required on 10Gigabit Ethernet cards

    Hello All, I needed some information and datapoints on the following topics: - today what is 10GbE card used for? - what do you see the future for 10GbE? - what do you think is an acceptable price point for this card (just a guesstimate)? Today it is very expensive as compared to the regular 1GbE...

    Rigveda0 pointsBadges:
  • 10 Gbps Bandwidth

    Do you think we will need bandwidth higher than 10 Gbps in the next 5 years

    Jogale200010 pointsBadges:
  • 10Gbe Interfaces & Connectivity

    It is kind of a complex; i was wondering if it is possible to connect from an XFP-SR 10GBe (LC) Interface to an X2-SR 10GBe (LC) Interfcae

    Vdave5 pointsBadges:
  • program to simulate the behaviour of CSMA/CD Protocol over Ethernet

    Can anybody give me a program that simulate the behaviour of CSMA/CD protocol over Ethernet. Its very urgent please help me.

    Shyampatibandla20 pointsBadges:
  • Interface to communicate between bluetooth network and ethernet

    I have two networks.one is connected via bluetooth and other thro ethernet.The distance between them will be around 2kms.I need to have a interface(server, that is developed using java)for communication.Both could communicate only if both the devices are installed with .jar file(writtren with...

    Nivedhadevi10 pointsBadges:
  • Various Ethline failures

    We have moved 15 of 20 AS400 / iSeries to a new business DMZ.  The five systems that fail range from OS level V4R5M0 to V5R4M0 and system types 50S to 520.  Some failed systems are LPARs where half the systems of the LPAR are functioning with their new IPs while the other half fail.  The failed...

    Wwillett45 pointsBadges:
  • Can a domain laptop log in as a domain user when it is not connected to the network?

    then disconnect the Ethernet cable can I still restart and log back in to the same profile?

    Karl Gechlik9,860 pointsBadges:
  • Can the ethernet leased line be intercepted by ISP?

    We have an ethernet leased line from an ISP through which we are connecting our branch office to main network. is the data through the line exposed to ISP?.

    Haneesh5 pointsBadges:
  • APC UPS for supporting multiple machines

    We have an APC UPS that can shut down a server using USB or serial. Can we do this over ethernet to a switch? We want one device to support multiple machines.

    TeachMeIT975 pointsBadges:

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