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can someone help me to find DNS server which is resolving the DNS names in the event the DNS I am using is not able to resovle.Is there any way I can find out what DNS server my server sends the querys to before returning the result to the requester.

Hi, I need some clarification regarding 3-way handshake with tCP/IP protocol. If I need to copy 20Meg of data will the TCP 3-way handshake between the nodes takes place only once for the entire data transfer or this takes places more than once.

Hi, I have recently installed Windows Vista on my laptop, just aspire to know if I need to delete the OS from my laptop clean what is the procedure for the same.

My desktop suddenly behaving weired, after the bios screen the screen goes blank, no display of windows XP loading, If I insert a bootable XP CD and prompted to press any key, the screen goes blank again. I have a Ubuntu CD and I am able to use Ubuntu without installing. So doesn't seems to be...

I have a core switch with vlan1 IP address 10.136.16.0/ 24 and vlan55 with an IP address 172.17.16.0/24. Now I got another switch uplinked to core switch with an IP address 172.17.16.233 on vlan 55. My question is that if I need to assign a port that needs to be using 10.136.16.0 IP address...

I am using EIGPP routing table with AS number 111, I need to determine what other routers are there in the AS with the same AS number. Is there a way to find this out.

What I understand from VTP mode transparent is that it will pass the vlan information however it won't replicate the information onto itself. Please see the relevant configuration, why the vlans showing in the show vlan output on switch with transparent mode when the vlans aren't created on it...

If we put ports connecting two switches trunk and member of a vlan will the two switches pass traffic for all the vlans.

I want to know who is pinging my pc. Is there any command available within windows to find out the IP and other details.

I 'm unable to trace a server using mac-address as the server is behind firewall and the arp isn't listed on the switch for the server. Although I am able to ping the server from the switch. Is there any way out to trace the server on the switchport.

I have a requirement where I need to set up NAT on a remote location device for my LAN IP range. The firewall will be setup for on the remote location on WAN to set for Nat'ng. My concern is will this work. We have routing to the firewall from our location. Will I need to do some typical...

I have got an IP of cisco firewall interface IP address and need to trace to which switchport this is patched to. The issue is that the traceroute is not complte to this IP and the last hop is not returning arp for the firewall IP. Please help me to trace the way to find this out.

Can someone help me know what is the easiest way to determine if router is load balancing on two links.

I have a user at a site who is connecting to print server to a distant WAN location whereas the printer is located on the same site as the user. I want to understand here that if the user shoots a print, it go on the WAN link to print server and comes back to printer. Also if the file is 2Mbps...

Can someone give insight what these logs on the L3 4500 switch points to : *May 1 10:45:49.011: %STANDBY-3-DUPADDR: Duplicate address 10.xx.xx.xx on Vlan40, sourced by 0000.0c07.ac00. I'm clueless as my research lead towards nowhere.

I have question regarding cisco L3 3750 switch. Can I use a 3750 switch to use one port for wan link and run BGP and other ports to be used as LAN connectivity for users.

Can anybody help with the configurations. I had been using two cisco 6500 catos switches running in HSRP to connect two different 7200 Cisco routers in primary and secondary mode. Both the switches and routers are running BGP protocol. Now the setup is like this that one of the router has been...

Hi I need to configure port security on Cisco 3750. Now the thing is I have configured the switch ports as trunk ports and every port is connected to a IP phone and PC. The problem is that when I apply port security it accepts the command but it doesn't work and if I plug in different device it...

I need to configure QOS on my cisco 3750 switches. can anybody guide with optimal configuration for the 3750 switches for QOS. I would be using Avaya IP phones with PC on the switch ports. Any help highly appreciated

I have windows server 2003 with 2 NIC, one with LAN IP & another with Internet Connectivity. Now the problem is that I want to use LAN IP as default gateway but then Internet doesn't work at all. when I set the second NIC I am able to browse the Internet. could anybody help to set default...