client mac addr error
Sounds like an operating system problem. Try booting it to safe mode. If it can boot to safe mode, uninstall the networking driver and see if that fixes it.

View Answer   |  January 13, 2010  12:58 AM
Boot failure, MAC address, Windows XP Pro, Windows XP Pro SP3

Ethernet Driver for Lenovo R400 for Windows server 2008
Hi It’s probably not working because it’s not compatible with Server 2008. The most likely driver to be compatible with Server 2008 is the Vista driver which you can download from the Lenovo site. <a href=”http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-70199″>http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-70199</a> If the drivers aren’t working you could always get a little USB – Ethernet adaptor which are really cheap [...]

View Answer   |  January 12, 2010  10:18 AM
Drivers, Ethernet adapters, Hardware Drivers, lenovo, Lenovo R400, Windows Server 2008

Losing Connection to Server – Why?
I would suggest putting <a href=”http://www.wireshark.org”>Wireshark</a> on a machine having this disconnect problem and start capturing traffic before the problem window and just after the problem window. Take a look at the traffic specifically things like DHCP renewals; server connection RSTs or FINs. Look at other broadcast traffic on the network and see if any [...]

View Answer   |  January 11, 2010  7:46 PM
Hyper-V, Network connectivity, Switches, Windows Server 2008

Use Unix IRC shell as socks proxy
First, you shouldn’t, second – if the host is properly configured, you can’t. Good luck ;o) Petko

View Answer   |  January 11, 2010  6:27 PM
IRC, Proxy, Shell, Socks, SSH, Unix

Data Center Standards
This <a href=”http://docs.sun.com/source/805-5863-13/”>Sun’s Data Center Site Planning Guide </a> might be helpful. ——————-

View Answer   |  January 11, 2010  2:14 PM
Data center cooling, Data center design, Network design

Router Related Questions
You can find some of the questions related to router from the following links http://www.techinterviews.com/ccnacisco-admin-interview-questions http://www.devbistro.com/tech-interview-questions/Networking.jsp Cheers Yasir http://itknowledgeexchange.techtarget.com/network-technologies/

View Answer   |  January 11, 2010  6:14 AM
Network administration, Router and switch management, Routers

Windows 2008 SSTP VPN trouble
Yes you can do it with 1 nic as long as your firewalls/routers supports VPN passthrough. The reason the guides you’ve seen specify 2 NICs is probably because they are geared towards a VPN server that’s also running DHCP etc. so you would want 1 NIC going to the Net and the VPN, and the [...]

View Answer   |  January 10, 2010  8:46 PM
ActiveSync, Domain Controller, Mobile, VPN, Windows Server 2003 R2, Windows Server 2008 SP2

How to copy Active Directory users from one server to another server
By copying do you mean migrating to a new domain? There really isn’t enough information to give a good answer. If you have multiple domain controllers in the same domain, you don’t have to copy anything…it’s all done for you. ———————————————————————————————————– You can go for LDFIDE or Volume Shadow copy… for more help check this [...]

View Answer   |  January 10, 2010  11:08 AM
Active Directory, Bind, DHCP, DNS, Exchange, Exchange security, Microsoft Windows, Networking, Networking services, Software, Tech support

bandwidth Mananger
For managing the ISP bandwidth you can use blue coat proxy device which works as proxy as well as its capable of managining the internet bandwidth. If you are looking for opensource Bandwidth monitoring software do look at my<a href=”http://itknowledgeexchange.techtarget.com/network-technologies/tag/cacti-guide/”> article</a> at ITKE Cheers Yasir

View Answer   |  January 10, 2010  3:34 AM
bandwidth allocation, Bandwidth limits, Bandwidth management, Bandwidth monitoring

NT 4.0 WINS DB replication
Make sure nothing is blocking TCP port 42. Try breaking the replication then stopping the WINS service on your PDC. Move the files from the Windowssystem32wins folder to a temp location. Restart the WINS service and the DB files will be recreated, then restart both your servers and set up the replication You could try [...]

View Answer   |  January 9, 2010  6:00 PM
Active Directory File Replication, BDC, Windows NT, Windows NT 4.0, WINS, WINS server

how can i configure windows server 2003 so that to restrict users in my network from downloading files from the internet
I think you will need to use the server as proxy for all your users, and configure the policies on there. Software such as WebSense can configure this type of policy, but is quite expensive. Other people on here may know of cheaper alternatives. You will also need to configure your firewall, or Internet router, [...]

View Answer   |  January 9, 2010  6:18 AM
Group Policy, Networking, Windows Server 2003, Windows server administration, Windows Server Security

Routing Between Two Networks
Although I am not familiar with the devices in use, I would make an assumption that the NAT functionality of one of the firewalls is causing the problem you’re having. You would want to turn this functionality off on both devices if and only if you are not connecting to the Internet. Another option is [...]

View Answer   |  January 8, 2010  9:34 PM
CAT5, Network Configuration, Network Topology, Routing and switching

Range extender
802.11g is an IEEE standard. It depends on whether the Neuf wifi router uses 802.11g. Most likely it will.

View Answer   |  January 8, 2010  7:59 PM
802.11g, Network Configuration, Range extender, Windows XP, Wireless networking, Wireless networks

nexus 5020 keepalives
Hello, This one was difficult to find. It took a couple minutes in google, but this is what I found: http://www.ciscosystems.co.nz/en/US/docs/switches/datacenter/nexus5000/sw/configuration/guide/cli/BasicEthernet.html#wp1266618 Hope this helps… Ryan

View Answer   |  January 8, 2010  6:05 PM
Cisco 5020, Cisco switches, Keepalives, Nexus, Nexus 5020

Help with site to site IPsec VPN between Cisco ASA 5505 and Allied Telesys AR450s
Hello, This appears to be a common issue between these two specific devices. I might recommend trying to switch encryptions and hashes to see if that positively affects the issue or anything. Thanks! Ryan

View Answer   |  January 8, 2010  5:59 PM
Allied Telesyn AR450, Cisco, Cisco 5505, IPsec, Routers, VPN, VPN configuration

what causing an 800 connection error on a cisco vpn?
Hello, http://www.cisco.com/en/US/products/ps6120/products_configuration_example09186a00807213a7.shtml#win First note. Thanks! Ryan

View Answer   |  January 8, 2010  5:55 PM
Cisco VPN, Cisco VPN Error Messages, VPN

DHCP server
Hello, However it is not recommended a best practice, a router on a stick is a possibility. Simply set the default gateway for the class A users to the router and secondarily-IP the router to communicate with the other subnet, or use a sub-interface if necessary. Ryan

View Answer   |  January 8, 2010  5:51 PM
DHCP, DHCP server

Looking for WAN Wisdom
Hello, Are you referring to business-wise, or? Cisco is a very strong organization as far as networking in general. They would have my vote. Ryan

View Answer   |  January 8, 2010  5:47 PM
acceleration, Network connectivity, optimization, WAN

BCMSN Exam
Hello, Might I recommend the use of Dynamips? You can find many labs and it’s a great emulator for cisco devices. Best part, it’s all free! Thanks! Ryan

View Answer   |  January 8, 2010  5:45 PM
Cisco certifications, Networking certifications

cisco access point
Hello, I’m sorry but your question is rather bunched together. I’m having trouble reading it and so I can’t really say either way what may be causing your problems. Could you post it using proper grammar, so that I can help you? Ryan

View Answer   |  January 8, 2010  5:42 PM
Access Points, Cisco 1242, Cisco Access Points