• Infiniband: How does IPoIB and TCP fit into it?

    I don't have a strong networking background but I've been doing some research on Infiniband. And I'm not quite sure how the concepts of IPoIB and TCP fit into it. Can someone explain to me how they work / what they do with Infiniband? Which way is better to go?

    ITKE54,655 pointsBadges:
  • One DHCP server for two VLANS with different subnets

    Hi all,How do I configure a same DHCP for two different VLANs. My setup is say VLAN 10 is having DHCP server with IP 10.102.1.2 VLAN 10 with subnet 10.102.1.1/16 VLAN 170 with subnet 192.168.10.1/22 VLAN 10 clients are getting DHCP, then what I have to configure in layer advanced switch to do get...

    31032920 pointsBadges:
  • Windows doesn’t obtain IP address automatically via DHCP

    I have Windows XP with SP3. It doesn't obtain IP address automatically via DHCP. I need to configure it manually. Please help.

    Xaphar220 pointsBadges:
  • How to confgure VLAN with DHCP?

    I need to configure VLAN for blade center. I need the VLAN to give IP to all the nodes on the blade center. What are the commands to configure the VLAN with DHCP for the blade?

    DHCPVLAN5 pointsBadges:
  • 451 Temporary Local Problem-please try later

    I am trying to send an email to another domains through Ms Outlook it show me that the message was sent and i receive an error message tell me "451 Temporary Local Problem-please try later" and when i checked the email address which i sent for it the message was not received. It works good before...

    Ramizm0 pointsBadges:
  • configure DHCP over VLAN’s windows server 2003

    My question is how to configure DHCP over VLAN's. At present in my company DHCP is running without any VLAN's setup but know as our network extend and also for the security reasons i want to implement VLAN's in the switch. Then what about my DHCP how it works, what is the configuration requirement...

    ITKE54,655 pointsBadges:
  • How does DHCP service start?

    I have Windows XP with SP3. When I check the service DHCP. It is automatic but stopped. When I start the service. It doesn't. It shows error. "Could not start the DHCP Client service on Local Computer. Error 1068: The Dependency service or group failed to start." Please help.

    Xaphar220 pointsBadges:
  • Cisco POE switch port flaps

    I have a Cisco PoE switch flapping 3 of my 12 ports providing power to connected 3com hubs. The configuration is the same for all switch ports and is set at defaults. debugging poe events outputs the following which seems to indicate the switch is probing for an IP phone.

    Peterp270 pointsBadges:
  • The difference between GLC-SX-MM and GLC-SX-MMD

    The two modules seem to be similar,  What's the mean about "D", What's the  difference between GLC-SX-MM and GLC-SX-MMD?

    flowerlee85 pointsBadges:
  • Cisco Catalyst 3750 routing issues

    I need help configuring a simple routing scheme for a 3750, I have a visio diagram of a very simple network, let me know if anybody can help. thanks

    Daduruguay196110 pointsBadges:
  • DHCP by Windows Server 2008 between VLANS

    Hi, I'd like to know how to configure DHCP info to be passed through multiple VLANS to issue addresses to respective clients in all subnets. Right now I am thinking I need to have all proper scopes defined on the dhcp and i would also put the server (which is the AD) in the management VLAN which...

    OrlandoD5 pointsBadges:
  • What’s a great packet sniffer for capturing loopback traffic?

    When my company is testing our Windows service / server controller GUI combinations, we usually do it by running both pieces on our development box. Inside of this setup, the remote traffic between the two are through loopback, not an Ethernet card. Does anyone know of a great Windows packet...

    ITKE54,655 pointsBadges:
  • Can I spoof the original IP address of an HTTP request?

    I currently have a load testing tool that's written in Python to basically blast HTTP requests at the URL. Now, I need to run different performance tests against an IP-based load balancer, so the different requests will come from a range of IP's. I know a ton of companies offer commercial tools to...

    ITKE54,655 pointsBadges:
  • How to integrate mobile with the lnternet?

    How can I integrate my mobile Internet network with my new mobile device?

    fshatsionandet5 pointsBadges:
  • Technical College vs. University

    Hello all- Would it be more beneficial to attend a technical college or university? A certain technical college, ECPI (www.ecpi.edu) in VA, has sparked my interest because they advertise 'they meet with some industry experts to discuss tech trends and what education needs to be put out to keep up...

    NeoCentric0 pointsBadges:
  • Using /etc/hosts to create an alias record

    Now I know "/etc/hosts" can be used for overriding DNS definitions (pointing a host name to a different IP address). But now I want to use it to make an alias record. Does someone know if this is possible? Thank you.

    ITKE54,655 pointsBadges:
  • Does anyone know of a workaround for closed ports?

    I've been teaching a programming class at a high school and I'm working on giving them a networking project for their final. I figured out what I want to do but the problem is that all the ports at the school are closed and they've already told me that they're not going to open them for me. Does...

    ITKE54,655 pointsBadges:
  • Is it possible to use TCP and UDP on the same server?

    I understand this is a short question but it's very urgent. Can I use both TCP and UDP sockets on the same server? Particularly, would I be able to use the same port number too? Thanks!

    ITKE54,655 pointsBadges:
  • How to broadcast a message with UDP and TCP?

    I'm currently working on a .NET solution that runs completely inside a single network. So when a user makes a change to the system, I need to launch an announcement / have everyone hear it. Do you know of a way that I can broadcast a message like this (just like UDP) while keeping a guaranteed...

    ITKE54,655 pointsBadges:
  • How can I get the IP address using Boost ASIO library?

    I'm creating a server with C++ using Boost ASIO library. Is there a way to get the string representation of a client's IP that can be shown in my server's logs? Does the socket have a function to do this?

    ITKE54,655 pointsBadges:

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