Routers / Switches :: Windows Xp Dhcp Force New Ip Address?

Jul 23, 2011

I've set up a DHCP reservation on a Netgear wpn824v3 router, using its "Attached Devices" list to specify the MAC address of a computer on the network to use IP After using "ipconfig /release" then "ipconfig /renew" on the client PC, though, the client PC keeps going back to the address it got automatically, i.e., can I force the client to use

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Routers / Switches :: Windows Seven Wont Recognize Ip Address?

Jun 18, 2011

windows seven changes my ip address after sitting idol for awhile. I have to reboot and reset my modum the computer is brand new

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Cisco WAN :: C3560E - How To Force DHCP Server To Recycle Unused IPs

Apr 3, 2013

I've configured the DHCP server on a Cisco Switch C3560E as follows:
ip dhcp excluded-address
ip dhcp pool perth_main
   lease 0 8
 My goal was to limit the dhcp to the range -, as there are not so many user on this network I so limited the lease time to 8 hours in order to "recycle" the unused addresses". What happend is that it is always using new IPs, even if the lease time has expired.
IP address          Client-ID/              Lease expiration        Type
Hardware address/
User name       XXXXXXXXXXXX       Apr 04 2013 10:00 PM    Automatic      XXXXXXXXXXXX       Apr 04 2013 06:55 PM    Automatic      XXXXXXXXXXXX       Apr 04 2013 09:04 PM    Automatic


1. How can I force the DHCP server to recycle the unused IPs?

2. Can I specify a DHCP range ( - instead of an "excluded-address" range?

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Cisco Wireless :: 1242 / How To Force Clients DHCP Renew On Mobility Event

Aug 24, 2011

I have a (single) client (it is a cisco IOS router) behind a wireless workgroup bridge (cisco1242).The client's IP address is obtained via DHCP from the wired network.Now, when roaming occurs, the Client will never have knowledge about this event,and hence will not renew its IP address until lease expiers. This is not a problem of course when Layer 2 roam occurs, but with Layer 3
roam it will interrupt the traffic.
The cisco's IP Mobile implementation does have this issue addressed in DCCoA scenario: the WGB is configured to send an SNMP trap on its dotradio state change;the cisco mobile router is configured with snmp-server manager to process this trap and start DHCP renew on the Down/Up event. Unfortunately, this works in Mobile IP scenario only because I cannot make it work without the mobile router registered with a home agent.

how to force DHCP renew on a client (cisco IOS router) in such a situation - event scripting, SLA,  or ...?

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Cisco Switches :: SF500-24P / Devices In VLAN Can't Get DHCP Address From Router

Oct 11, 2012

I'm trying to set up a new Cisco SF500-24P switch for our new Polycom IP phones but I'm having some trouble configuring them. It seems a fairly basic setup - We have a Cisco 2800 series router which is configured in a router-on-a-stick scenario to give DHCP addresses to two vlans, '1' for data and '20' for voice...
ip dhcp pool DHCPROUTER

The switch worked practically straight out of the box- when I connected a PC or a phone into it they both got addresses in the range and both worked fine. In the web interface I then set the Voice VLAN ID as 20 and as soon as I did this the phones can no longer get addresses from DHCP (although PCs can). The switch and the phone display both show that the phone is in VLAN 20. All ports are members of VLAN1(native, untagged) and VLAN 20 (tagged) and the port connecting to the router is trunked, as are the others.Also, I can ping from the switch so there is no routing problem, although I did try using the switch as a DHCP relay to but still no luck.I'm not sure how relevant this is but one thing I noticed is that data going to the router untagged (and therefore in VLAN 1) gets through but if I tag it with VLAN 1 then it doesn't.

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Cisco Switching/Routing :: Configure 3560 To Force Client To Get IP By DHCP Relay Server?

Jul 30, 2012

How to configure cisco 3560 to force the client only can get ip by dhcp-relay server ?
The company i am working in has 5 vlans which have been set an lay-3 switch(3560), uses the dhcp-relay server .(in svi configuration: ip helper-address X.X.X.X) well , that works ok~
Now , I got my problem: I need to force the client only can get ip by dhcp-relay server, that means if anyone set static IP manunally , he can't really access to anywhere (to provent anyone set static IP with malignancy )
I know if a h3c router , how to set this configuration n svi configuration : dhcp relay security address-check enable )
the how to configure on a cisco 3560 ?

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How To Force A Program To Use Another DNS (Windows 7)

Feb 11, 2013

I want to force a certain program (Max Payne 3) to use the third and forth DNS's that I configured in advanced settings of DNS settings (Windows7).

I want to do this because for some reason, using Google DNS in Turkey makes the game not start forcing me to use the DNS servers of my Internet provider. (if only it tried the second DNS that I configured, it would start but for some reason it does not)

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Cisco Routers :: RVS4000 Won't Get WAN DHCP Address

Aug 1, 2012

I just tried replacing a cheap domestic router/switch with an RVS4000 V2 on our work network.  This has a WAN connection to a cable modem for internet access via a dynamic IP address.
When I first connected the RVS4000 it got a WAN ip address via DHCP of  This is the type of IP address we get when there is an upstream problem with our ISPs cable network, and sure enough we had no internet access.  The RVS4000 was set to use DHCP on the WAN interface.  So I logged a support call with our ISP but they said there were no problems at their end.
I then swapped the RVS4000 out for the original router.  This worked fine and got a WAN DHCP address of as it should.  Swapped back to the RVS4000 and back to the same problem of getting a 192.168... address.
So, I downloaded the latest firmware from Cisco, which was V2.0.3.2 and flashed the RVS4000.
I then tried again connecting the RVS4000 to the cable modem but this time it would not get any WAN DHCP address at all.  On the Status/Gateway page of the web interface it said that the WAN interface was down.  However, on the front panel there was a yellow light indicating a live connection on the internet port.

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D-Link DIR-825 :: Force Xbox Inside Router To Grab Same Ip Address Every Time It Comes On?

Nov 14, 2011

Is there anyway to force the xbox inside the router to grab the same ip address everytime it comes on? Other than changing it on the console via a static ip? Xboxs dont like static Ip address and its getting annoying?

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Cisco Routers :: Get The RVS4000s DHCP Server To Assign Another IP Address?

Feb 4, 2013

I have a RVS4000 router with DHCP enabled and in router mode. 
The LAN is 192.168.2.x.  The RVS4000 static IP address is
The router is not the RVS4000 and is at
The RVS4000 dhcp is assigning it's clients a default gateway of instead of what I want How can I get the RVS4000's DHCP server to assign another IP address other than its own as the default gateway to its DHCP clients?

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Routers / Switches :: Loosing Connection From A DHCP Router?

Jan 16, 2012

We are in a hotel that allows us to use their router with a Hawking 300N expander. We seem to lose connection each time their router gets a new IP address. The router seems to lose connection frequently. Is there a setting in the expander that will allow the expander to "follow" the DHCP address of the router without having to take it down and go thru the setup each time.

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Routers / Switches :: Why Do DHCP For DLINK DSL-2540T Always Keep Disabled

Jan 5, 2011

why do my DHCP for DLINK DSL-2540T always keep disabled although i already set for enabled one day before?

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Cisco Routers :: How Many IP Address DHCP Server Can Handle Of RV0xx Series VPN Router

Sep 6, 2011

How many IP address can handle the DHCP server of the RV0xx Series VPN router? can be configured for more than 250 ip addresses? it is posible to configure the router in order to have more than 250 ip address?

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Cisco Routers :: RV220W Built-in DHCP Server Can't Save Class B IP Address Pool

Mar 28, 2012

I was trying to set a DHCP pool with with RV220W, however, RV220W UI can't save it. It displays "IP Address Range -"Step to reproduce: (it is 100% reproducible)

1. login into RV220W admin web

2. Create a VLAN, id 201

3. Go to "Multiple VLAN subnets", select the VLAN, click edit

4. Enter following info:
IP Address:
Subnet Mask:
DHCP Mode: DHCP Server
Domain Name: Cisco
Starting IP Address:
Ending IP Address:
Primary DNS Server:
Leave rest of settings with default value.
DNS proxy is enabled
5. Press Save button. The UI shows text "IP Address Range -".

Expected result: RV220W shall save the setting and make use of subnet in IP pool. By the way, the error message "IP Address Range -" seems incompleteI tried same setting on netgear FVS318N (very similar settings to RV220W), it accepts as DHCP IP pool and works.RV220W has great feature set meets my needs. Its UI is slow and sometime dashboard freezes, which I can live with comparing to features. But DHCP server IP pool can't be class B is huge limitation to me.

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Routers / Switches :: How To Detect Ip Address LAN

Apr 10, 2011

my working area lan is control by admin.they always change the ip number because sometime my server line drop because some computer is effected by networking virus .The problem is how can i trace ip number.

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Cisco Routers :: RV220W - How To Force All Traffic From VLAN To Go Through VPN

Nov 21, 2012

Just setup two RV220Ws with a IPsec VPN connection.  All working well.  However, I have a question regarding how to force ALL traffic from a VLAN to go thru the VPN.IPsec from site A (EU) to site B (USA) working good.  On Site A I have a dedicated VLAN that needs to have ALL traffic (internet included) be sent thru the VPN tunnel.  The main purpose of this is to have internet presence as if in the USA.  This is necessary to access some sites available only in USA specially for the kids -their web sites will not display content because they're not in the USA at the moment.  How do I accomplish this?   I tried to setup a Static Route for the VLAN but you cannot setup a destination route.

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Cisco Routers :: RV042 Way To Remotely Force A Restart?

Jul 4, 2011

I just installed a new RV042 v3 and updated the f/w to While trying to sort out logging issues, I've tried a few times to restart the router via System Mgmt -> Restart -> Restart Router. When I do this I get the expected results -- I'm prompted to wait, and then to login again. But the System Up Time isn't reset to zero, and the log shows no sign of the router restarting.
Why doesn't this work? Is there some other way to remotely force a restart?

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Routers / Switches :: How To Subnet A Class B IP Address

Jan 16, 2011

how to subnet a class B IP address?I have a homework, I don't know how to subnet a class B.

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Routers / Switches :: How To Find Router IP Address

May 23, 2011

how do i find my routers ip?

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Routers / Switches :: 2 Different Ip Address Range On One Network

Jan 1, 2011

I have a Buffalo NAS with IP address linked to my router, which has IP address Both have the same subnet mask: on the router assigns IP's to my computers on the network ( How do I access my NAS?

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Routers / Switches :: Create A Public LAN Address?

Mar 7, 2011

i want to connect dvr to the internet i need the step to take and process of creating a public LAN Address

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Routers / Switches :: Cannot Find Router's Ip Address?

Mar 19, 2011

I have wrongly entered a ip address while port forwarding... and my router seems to not be responding.Meaning whenever I put the Default gateway numbers ,my router does not open.

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Routers / Switches :: Computer IP Address Chained To 2 Net Names?

Feb 9, 2011

When I do a nslookup on my computer IP address I find that it is chained to 2 Net names

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Routers / Switches :: How To Get Rid Of A 169 Ip Address On Printer And Sync Up With Router

Feb 3, 2011

How do I get rid of a 169 ip address on my printer and synch up with router.My HP All In One Serieds 4500 printer has an ip address of 169.254.0 and my router is They need to match in order for me to print wirelessly from my laptop

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Routers / Switches :: Forgot Ip Address Used To Configure Router

Mar 29, 2011

I remember long ago I was upto some trial and error with my router and I ended up in changing some ip that I didn't know about that time, now when I was trying to forward some of the ports. I addressed the computer to (as this was my ip that time I remember and on the box its written too) but it didn't respond, then I remember that I have changed this ip to something else and now I can't remember this.

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Routers / Switches :: Cannot Repair Ip Address Because Can't Clear Arp Cache

Feb 14, 2011

when i try and repair it it comes bk saying cannot repair ip address coz cant clear arp cache

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Routers / Switches :: Linksys Wrt54g - IP Address Won't Pull Up?

Jun 16, 2011

I have a linksys router model#wrt54gt v1 and I can not pull up the router's ip address to change the security settings. I have checked and I have the correct IP address of I can ping the router and everything hooked up to the router is now working correctly. I was having problem with the router losing the internet ip address and having to turn everything off and then back on to connect to the internet. I reset the router and it seems to have corrected that problem but I now can not pull up the router's ip address. I have tried in Internet Explorer and Firefox. I have tried typing thebefore the ip address but it will not pull up. I have read countless posts trying to trouble shoot and figure out what's wrong with it and nothing will work.

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Routers / Switches :: Access Router Webpage With A Correct Address?

Apr 29, 2011

I try to access my router web page with a correct address ( but on my computer i have this message {Network Error (tcp_error)} but i can access this page from another computer through the network (WHY)

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Routers / Switches :: Can Setup A Staticip Address On A Wireless Computer

Aug 28, 2012

I want to setup a static ip address for a h.264 network dvr ,however my desktop computer is out of order, that is connected direct to router,is it possible to use my wireless laptop to setup the router,or will I have to connect the eithernet cable to the laptop.

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Routers / Switches :: Default Gateway Ip Address Request Timed Out?

Jul 18, 2011

recently, i have connected the internet to my PC with cable. Here the problem is , the packets are not receiving in the status bar of internet connection. I have checked in command prompt, the ip address is connecting properly but the default gateway ip address is showing "Request Timed Out" message.

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Routers / Switches :: Windows 7 - Can't Connect To Wifi

Jul 27, 2012

I have a windows 7 and can connect to my router but my windows xp laptop wont connect to the same router i took it back to the shop and they connected it to there wifi. so what can be the problem.

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Routers / Switches :: How To Implement Ipv6 On Windows 7

Feb 10, 2011

How to implement ipv6 on windows 7

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Routers / Switches :: Windows Cannot Connect To A Printer

Oct 26, 2011

we're using a network and only one computer can't seem to connect to the printer. it runs on a windows 7. tried reinstalling it but it seems nothing has changed same error messages is coming up each time i tried to setup the printer.

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