WRTU54G-TM - NO DHCP MODE

I am using WRTU54G-TM with T-mobile and this is a secondary router and connected directly to on of the ports in switch. My primary router is by Motorola and I have connected my network printer to this router with a static IP and all the computers are configured to use this printer without any issues. Since I have added WRTU54G-TM router it started to issue ip addresses on its own. when this happens the user is unable to find the printer and cannot print. Then, I setup (WRTU54G-TM) to No DHCP mode but, it doesn't help --- it still issues ip addresses. How can I make this router to not issue IP address? Please help me.

Whats the IP address your computers are getting when its connected to your Motorola Modem? Suppose your Motorola Modem default IP is 192.168.10.1.. then you need to connect the Ethernet cable from the LAN Port of your Motorol Router to Linksys Router on the LAN Port.
Click Here and follow the Instruction how to configure 2 Routers to each other. 
NOTE : Once you Login to the Linksys Router setup page, then you need to change the LAN IP of your Linksys Router to 192.168.10.2, if your Motorola Routers Default IP is 192.168.10.1. 

Similar Messages

  • HP LaserJet P1606dn loses their IP address in DHCP mode

    Hi,
    We are currently encountering what seems to us to be a strange behavior with the HP LaserJet P1606dn printer. The behavior is that, while in DHCP mode, when it goes into sleep mode, it loses its IP address.
    It shouldn't be bad because it should wake up when something is sent to it and get back its IP address, but it doesn't. It get stuck in the printing queue and we need to do an "ipconfig/ flushdns" on the appropriate server so it get back its address. This is kinda annoying because we can't even desactivate this sleep mode function, the best we can do is put it to 1 hour which is temporary because it still gonna loses its IP address anyway.
    I have searched all over the net for an answer to our problem and the closest one I have find is one on HP forum where the P1606dn loses its IP address in manual mode and switch to DHCP. Even though it wasn't our exact problem, the recommanded solution was to update the 1606dn firmware, which we did. It sadly hasn't solve our problem. At least, we aren't forced to do a flushdns everytime this time and we can force it to print by printing the configuration page...
    An other thing we have found is that, it always or well, very often create a second entry in the inversed zone of the dns with an IP adress it won't even use... It is probably important to note that when the printers loses its ip address, the information of the ipv4, the dns and the rest of the address are all 0.0.0.0.
    It seems to me that when the printers enters in sleep mode, it loses its ip address so it can save energy, which would be a good thing, but then, it cannot get back its ip address and well, its like the printers says to himself "well, I am lost and I don't know where I am neither at which address I live but hey, it's ok, everything is just fine."
    Our configuration :
    Windows 7 professional 64 bit on users end
    Windows server 2008 r2 enterprise
    The printer is connected in LAN
    Anyone has stumbled accross a problem like this before with this model?
    Thank you

    These settings are for setting up your wireless printer to stay connected to your router, keep wireless devices better connected and makes your router secure and hack proof.
    1. Set a static IP in the printer (click here) outside the DHCP range of the router (check your manual).
       This is for Linksys routers but can be used for all routers. Verify your DHCP range and change this
       first if needed. More Wireless Printing help is here.
    2. Verify in the printer that 'Auto Off' is disabled.  Use the Embedded Web Server (EWS) by going to the
       printers IP address in your browsers address bar, click Settings Tab/Auto Off. Or use the Printer
       Assistant, Printer Home Page (EWS).
    3. If the printer supports and has IPv6 enabled, turn off IPv6 in the printer.
    4. If needed and you assigned a static IP address, try using 8.8.8.8 for the Manual DNS server and
         8.8.4.4 preferred DNS server.
    In the router: (Refer to your router manual for information)
    5. Use a fixed wireless channel like 1, 6 or 11, never 'auto', try channel 1 first then the rest. 
    6. Set router to 20Mhz only, or 145Mbps depending on router. 
    7. Always use WPA2-AES (Personal) encryption, but you can try ‘mixed’ mode. 
    8. Disable WPS and never use it and disable UPnP for the routers security. Nobody can hack your
       system now and helps with wireless connectivity (if you want to know why, search the web).
    9. If you have a dual band router (2.4Ghz and 5.0Ghz bands), make sure the SSID’s are NOT the same,
       they must be different for all bands, even for any Guest networks.
    10. SSID broadcast must be enabled.
    11. Save all settings. Power off both, wait 2 mins.  Power on router wait 2 mins. 
    12. Power on printer and verify it reconnects to router. 
    Windows 7/8/8.1   Is Network Discovery on or off?
    Control Panel/Network and Internet/Network and Sharing Center/Advanced sharing settings.
    Under Home or Work (current profile) / Network Discovery.
    Select "Turn on network discovery" and save changes.
    Say thanks by clicking the Kudos Thumbs Up to the right in the post.
    If my post resolved your problem, please mark it as an Accepted Solution ...
    I worked for HP but now I'm retired!

  • How do I configure my time capsule to DHCP mode?  I had to replace my DSL router, had a network set up before.

    I recently had to replace my DSL router.  My provider, Earthlink, walked me through the setup and I do have internet access if I connect directly to my Mac.  When I tried to use my time capsule, it would not work.  The Earthlink tech said I needed to reconfigure my time capsule to DHCP mode.  I tried the set up manual and could not make sense of it.  My 90 free service is long gone.

    and the text in the router mode box came up DHCP and NAT, but the lettering was in a lighter shade than elsewhere and I could not open the drop down box.
    You would have had to change some other settings on the AirPort to be able make changes in the drop down Router Mode box.
    Your AirPort is already configured as Earthlink suggests.
    Try powering off the entire network...all devices....in any order you want
    Wait a few minutes
    Start the Earthlink modem first and let it run 2-3 minutes by itself
    Start the Time Capsule and let it run a full minute
    Keep starting other devices the same way until everything is powered back up
    Check the network
    If still no improvement, I think you need to let Earthlink know that you have done as they asked, and ask for more steps to try.
    Hopefully, another Earthlink user will see this post and offer any special information or tips that only they would know.

  • Guest network in bridged mode (or other non-DHCP mode)

    Hello,
    I have the (Simultaneous Dual Band II) Airport extreme.
    I wanted to use it at work but creating a secure network (my printer, computers, and drives) and a guest network (no password so people can access internet).
    They already have a DHCP server (in the past I have a mistake by forgetting to turn off DHCP on a router which assigned other computers IP address (upstream) which conflicted with their DHCP server and all kinds of problems ensued).
    So I know that in Bridge Mode, the guest network is turned off.
    What are my options? I'm afraid to take if off bridge mode because of the DHCP issue. But I really want to use the dual network mode on the Airport Extreme.
    So I don't want to bring down the whole network, can i safely use something other than bridge mode? other ideas?
    Thanks in advance for any feedback
    (yes I have searched a lot for the issue but I'm not sure what to do)

    First, you question the policies about my work place (none of your business).
    Sorry for suggesting that you check the policies before you violate something that could get you fired.
    But then, you "would bet" that I hooked something wrong (could have asked).
    Sorry but that is certainly a higher probability than a router malfunctioning in that manner.
    It may not be your intention (just as it is not mine to be ungrateful).
    Not sure if you are showing that with your last post.

  • WRT54G in Automatic Configuration DHCP Mode?

    I have the next problem: There is a DSL connection via D-Link DSL-380T modem by bridge mode to ISP. I (want to) use WRT54G in AutoConfigDHCP mode (i suppose it is correct to a.m. connection), but it is inpossible to set up this mode, at save mode command stops the router and no more any action from the router. Can somebody help?

    will you replace the DLINK router with the WRT54G????
    if you wanna connect the dlink router with the wrt54g the just disable the DHCP server on the wrt54g and change the IP of the wrt54g same with the dlink router(ex. dlink has 192.168.0.1,change the wrt54g to 192.168.0.2.
    if you wanna use the router to automatic dhcp then change the locan ip address of the router to a different range(ex. 192.168.2.1)

  • DHCP Setup across multiple VLANs on RV325 - DHCP Server only working on VLAN 1

    I have multiple VLAN subnets defined on my RV325 - when I try and utilize a DHCP Server on each VLAN, it only seems to be issuing IP Addresses to clients on VLAN ID 1.  When I first set this up months ago, I thought I had tested it providing IP Addresses via the other subnets.  Now that I am trying to do so, it isn't working "as expected".  Example - I am using VLAN 25 as the GuestWireless subnet utilizing a separate 802.11n WAP that is set to Bridge connections to the IP Address of the VLAN interface.  Devices are able to connect to the WAP, but end up with a self-assigned IP Address 169.x.x.x address.  There has to be an easy fix to this, but I seem to be "stuck" figuring out what it is…pointers/redirects appreciated.  Thanks!

    Thanks - I've already reviewed that information before I posted.  I've been working with DHCP since the mid-90's, so I'm comfortable with the settings/configuration I need to leverage to make this work via other means using various Network-based OSes.
    I'm wondering if there are other options in configuring this device that can impact the ability to dynamically serve IP addresses on a VLAN/subnet-by-VLAN/subnet basis.
    As I did more testing, I discovered when I reserved an IP Address via the IP & MAC Binding option within the DHCP Settings, those devices would receive their static reservations and work as expected, so the problem seems to be leveraging the DHCP Pool for devices connecting to VLANs other that VLAN 1.
    Any ideas as to why the DHCP Pool's are "non-functioning" for the other VLANs is greatly appreciated...
    Each VLAN is setup with a separate DHCP Server configuration as shown below:
    VLAN ID = 1 (Default, Inter VLAN Routing = Enabled, LAN1-6 = Untagged, LAN7=Tagged, LAN8=Excluded, LAN9-14 Untagged)
    Device IP Address = 172.16.xxx.1
    Subnet Mask = 255.255.255.0
    DHCP Mode = DHCP Server
    Remote DHCP Server = 0.0.0.0
    Client Lease Time = 1440 min
    Range Start = 172.16.xxx.100
    Range End = 172.16.xxx.199
    DNS Server = Use DNS as Below
    Static DNS 1 = 208.67.222.222
    Static DNS 2 = 208.67.220.220
    WINS Server = 0.0.0.0
    Correctly serving IP Addresses via DHCP (both static and dynamic) to Wired devices & Wireless devices connecting through WAP (set to Bridge)
    VLAN ID = 25 (GuestWireless, Inter VLAN Routing = Disabled, LAN1-LAN7 = Excluded, LAN8 = Untagged, LAN9-14 = Excluded)
    Device IP Address = 172.16.yyy.1
    Subnet Mask = 255.255.255.0
    DHCP Mode = DHCP Server
    Remote DHCP Server = 0.0.0.0
    Client Lease Time = 1440 min
    Range Start = 172.16.yyy.100
    Range End = 172.16.yyy.199
    DNS Server = Use DNS as Below
    Static DNS 1 = 208.67.222.222
    Static DNS 2 = 208.67.220.220
    WINS Server = 0.0.0.0
    NOT serving dynamic IP Addresses via DHCP to Wired devices & Wireless devices connecting through WAP (set to Bridge)
    Static DHCP Reservations setup via IP & MAC Binding settings DO WORK in terms of providing the assigned static IP Address to the client.  Inbound/Outbound traffic to Internet works for devices with Static DHCP Reservations.
    VLAN ID = 100 (Voice, Inter VLAN Routing = Disabled, LAN1-6 Excluded, LAN7 = Untagged, LAN8-14 = Excluded)
    Device IP Address = 192.168.zzz.1
    Subnet Mask = 255.255.255.0
    DHCP Mode = DHCP Server
    Remote DHCP Server = 0.0.0.0
    Client Lease Time = 1440 min
    Range Start = 192.168.zzz.100
    Range End = 192.168.zzz.199
    DNS Server = Use DNS as Below
    Static DNS 1 = 208.67.222.222
    Static DNS 2 = 208.67.220.220
    WINS Server = 0.0.0.0
    NOT serving dynamic IP Addresses via DHCP to Wired devices & Wireless devices connecting through WAP set to Bridge
    Static DHCP Reservations setup via IP & MAC Binding settings DO WORK in terms of providing the assigned static IP Address to the client.  Inbound/Outbound traffic to Internet works for devices with Static DHCP Reservations.

  • WRT54G v4 won't work in PPPoE mode...

    WRT54G v4 won't work in PPPoE mode...
    For the past few years, I've had my WRT54G v4 set up to run in PPPoE mode. My Siemens Speedstream 5200 is set to run in Bridge Mode. It's worked fine for a long time. If I ever ran into a problem, I could always simply reset both, re-do all the settings, and it'd be fine.
    Today I come home from work, it's not working at all. I reset the settings, redo everything, still not working. I do this a few times. It repeatedly just won't connect to anything. The DSL modem activity lights are flashing, everything is normal, the Status page in my Linksys setup all reads fine (it's connecting through the modem like it should, acquiring an IP address, etc). So, I decide I'm gonna reset the modem and try bypassing the Linksys.
    That turns out to work just fine.
    So I reset the Linksys, hook my PC back up to the Linksys, and everything is fine. But here's the rub...
    If I try to bridge the modem and put the Linksys in PPPoE mode, it simply stops working. If I put it back into DHCP mode and reset the DSL modem, it still won't work. Once it enters PPPoE mode, the Linksys simply stops working as it should. Nothing besides a reset will make it start working.
    Any suggestions/explanations as to what would cause this? I'm completely baffled, personally. I'm running the DSL modem in it's normal state and the Linksys in DHCP but I really prefer it the other way. I just can't figure out why it isn't working.
    So, to sum up:
    1.  Connection is fine when going straight through the DSL modem.
    2.  Connection is fine when routed through the Linksys into the DSL modem with the Linksys in DHCP mode.
    3.  Once DSL modem is set to Bridge Mode and Linksys to PPPoE, I lose internet connectivity.  No DNS, nothing.
    4.  Even if I change the settings back to DHCP, it still will not work.  I must manually reset the router's settings using the reset button, doing the same with the DSL modem.
    Any suggestions?  I've tried everything I can possibly think of.

    You need to Upgrade the Router's firmware in order to get the connection work again with PPPoE...
    Download 2.95 MB...Once the Firmware has been downloaded you need to unzip the firmware file, it will unzip 3 files, you need the .bin file...
    Open an Internet Explorer browser page.In the address bar type - 192.168.1.1
    Leave the username blank & in password use admin in lower case...
    Click on the 'Administration' tab- Then click on the 'Firmware Upgrade' sub tab- Here click on 'Browse' and browse the .bin firmware file and click on "Upgrade"...
    Wait for few seconds until it shows that "Upgrade is successful"  After the firmware upgrade, click on "Reboot" and you will be returned back to the same page OR it will say "Page cannot be displayed".
    Press and hold the reset button for 30 seconds...Release the reset button...Unplug the power cable from your router, wait for 30 seconds and re-connect the power cable...Now re-configure your router...

  • Vlans dhcp status are not received

    Hello,
    I am configuring vlan on sg300-20 in dhcp mode.
    One  vlan that is directed connected to the adsl router get ip address and when I connect host to the ports in this vlan they also receive ip address and can go on internet.
    The other four vlans dhcp status are not received.
    Kindly help me check this. Thanks
    Below is the config log:
    switch4ba497#sh running-config
    config-file-header
    switch4ba497
    v1.2.9.44 / R750_NIK_1_2_584_002
    CLI v1.0
    file SSD indicator encrypted
    ssd-control-start
    ssd config
    ssd file passphrase control unrestricted
    no ssd file integrity control
    ssd-control-end cb0a3fdb1f3a1af4e4430033719968c0
    vlan database
    vlan 5,10,20,30,40
    exit
    voice vlan oui-table add 0001e3 Siemens_AG_phone________
    voice vlan oui-table add 00036b Cisco_phone_____________
    voice vlan oui-table add 00096e Avaya___________________
    voice vlan oui-table add 000fe2 H3C_Aolynk______________
    voice vlan oui-table add 0060b9 Philips_and_NEC_AG_phone
    voice vlan oui-table add 00d01e Pingtel_phone___________
    voice vlan oui-table add 00e075 Polycom/Veritel_phone___
    voice vlan oui-table add 00e0bb 3Com_phone______________
    ip dhcp relay address 192.168.3.1
    ip dhcp information option
    no boot host auto-config
    bonjour interface range vlan 1
    hostname switch4ba497
    line telnet
    exec-timeout 0
    exit
    no passwords complexity enable
    username cisco password encrypted 7af78c911d5b48bea1dc2449d9d89513abeb4be5 privilege
    15
    ip http timeout-policy 0 http-only
    ip name-server  192.168.1.1 192.168.3.1
    ip telnet server
    interface vlan 1
    ip address 192.168.2.254 255.255.255.0
    no ip address dhcp
    interface vlan 5
    name WAN
    ip address dhcp
    interface vlan 10
    name Studio
    ip address dhcp
    interface vlan 20
    name Service
    ip address dhcp
    interface vlan 30
    name Admin
    ip address dhcp
    interface vlan 40
    name Data
    ip address dhcp
    interface gigabitethernet1
    switchport mode access
    interface gigabitethernet2
    switchport mode access
    switchport access vlan 10
    interface gigabitethernet3
    switchport mode access
    switchport access vlan 10
    interface gigabitethernet4
    switchport mode access
    switchport access vlan 10
    interface gigabitethernet5
    switchport mode access
    switchport access vlan 10
    interface gigabitethernet6
    switchport mode access
    switchport access vlan 10
    interface gigabitethernet7
    switchport mode access
    switchport access vlan 10
    interface gigabitethernet8
    switchport mode access
    interface gigabitethernet9
    switchport mode access
    switchport access vlan 20
    interface gigabitethernet10
    switchport mode access
    switchport access vlan 20
    interface gigabitethernet11
    switchport mode access
    switchport access vlan 20
    interface gigabitethernet12
    switchport mode access
    switchport access vlan 20
    interface gigabitethernet13
    switchport mode access
    switchport access vlan 30
    interface gigabitethernet14
    switchport mode access
    switchport access vlan 30
    interface gigabitethernet15
    switchport mode access
    switchport access vlan 30
    interface gigabitethernet16
    switchport mode access
    switchport access vlan 30
    interface gigabitethernet17
    switchport mode access
    interface gigabitethernet18
    switchport trunk native vlan 40
    interface gigabitethernet19
    switchport mode access
    switchport access vlan 5
    interface gigabitethernet20
    switchport trunk native vlan 5
    switch4ba497#sh ip int
        IP Address         I/F       Type     Directed   Precedence   Status
                                              Broadcast
    0.0.0.0/32          vlan 10   DHCP        disable    No         Not
                                                                    received
    0.0.0.0/32          vlan 20   DHCP        disable    No         Not
                                                                    received
    0.0.0.0/32          vlan 30   DHCP        disable    No         Not
                                                                    received
    0.0.0.0/32          vlan 40   DHCP        disable    No         Not
                                                                    received
    192.168.2.254/24    vlan 1    Static      disable    No         Valid
    192.168.3.102/24    vlan 5    DHCP        disable    No         Valid
    switch4ba497#
    Also i do not understand why the ip address is 0.0.0.0/32 because the dhcp server ip address is 192.168.3.1

    Dear Customer,
    Thank you for reaching Small Business Support Community.
    In Layer 2 system mode, only the management VLAN can be configured with a static or dynamic IP address. In Layer 3 system mode, all the interface types (ports,LAGs, and/or VLANs) on the device can be configured with a static or dynamic IP. Configuring the device to work in either mode is performed in the Administration >System Settings page
    When a DCHP Client starts a discovery process, it assigns a dummy IP address 0.0.0.0 before the real address is obtained. This dummy address has the status of “Not Received”.
    Pretty much your problem should be solved by changing to Layer3 system mode.  Please let me know if anything comes up and/or if there is any further assistance I may help you with.
    Kind regards,
    Jeffrey Rodriguez S. .:|:.:|:.
    Cisco Customer Support Engineer
    *Please rate the Post so other will know when an answer has been found.

  • Dhcp status are not received on sg300-20

    Hello,
    I am configuring vlan on sg300-20 in dhcp mode.
    One  vlan (5) that is directed connected to the adsl router get ip address and when I connect host to the ports in this vlan they also receive ip address and can go on internet.
    The other four vlans  dhcp status are not received
    Kindly help me check this. Thanks
    switch4ba497#sh running-config
    config-file-header
    switch4ba497
    v1.2.9.44 / R750_NIK_1_2_584_002
    CLI v1.0
    file SSD indicator encrypted
    ssd-control-start
    ssd config
    ssd file passphrase control unrestricted
    no ssd file integrity control
    ssd-control-end cb0a3fdb1f3a1af4e4430033719968c0
    vlan database
    vlan 5,10,20,30,40
    exit
    voice vlan oui-table add 0001e3 Siemens_AG_phone________
    voice vlan oui-table add 00036b Cisco_phone_____________
    voice vlan oui-table add 00096e Avaya___________________
    voice vlan oui-table add 000fe2 H3C_Aolynk______________
    voice vlan oui-table add 0060b9 Philips_and_NEC_AG_phone
    voice vlan oui-table add 00d01e Pingtel_phone___________
    voice vlan oui-table add 00e075 Polycom/Veritel_phone___
    voice vlan oui-table add 00e0bb 3Com_phone______________
    ip dhcp relay address 192.168.3.1
    ip dhcp information option
    no boot host auto-config
    bonjour interface range vlan 1
    hostname switch4ba497
    line telnet
    exec-timeout 0
    exit
    no passwords complexity enable
    username cisco password encrypted 7af78c911d5b48bea1dc2449d9d89513abeb4be5 privilege
    15
    ip http timeout-policy 0 http-only
    ip name-server  192.168.1.1 192.168.3.1
    ip telnet server
    interface vlan 1
    ip address 192.168.2.254 255.255.255.0
    no ip address dhcp
    interface vlan 5
    name WAN
    ip address dhcp
    interface vlan 10
    name Studio
    ip address dhcp
    interface vlan 20
    name Service
    ip address dhcp
    interface vlan 30
    name Admin
    ip address dhcp
    interface vlan 40
    name Data
    ip address dhcp
    interface gigabitethernet1
    switchport mode access
    interface gigabitethernet2
    switchport mode access
    switchport access vlan 10
    interface gigabitethernet3
    switchport mode access
    switchport access vlan 10
    interface gigabitethernet4
    switchport mode access
    switchport access vlan 10
    interface gigabitethernet5
    switchport mode access
    switchport access vlan 10
    interface gigabitethernet6
    switchport mode access
    switchport access vlan 10
    interface gigabitethernet7
    switchport mode access
    switchport access vlan 10
    interface gigabitethernet8
    switchport mode access
    interface gigabitethernet9
    switchport mode access
    switchport access vlan 20
    interface gigabitethernet10
    switchport mode access
    switchport access vlan 20
    interface gigabitethernet11
    switchport mode access
    switchport access vlan 20
    interface gigabitethernet12
    switchport mode access
    switchport access vlan 20
    interface gigabitethernet13
    switchport mode access
    switchport access vlan 30
    interface gigabitethernet14
    switchport mode access
    switchport access vlan 30
    interface gigabitethernet15
    switchport mode access
    switchport access vlan 30
    interface gigabitethernet16
    switchport mode access
    switchport access vlan 30
    interface gigabitethernet17
    switchport mode access
    interface gigabitethernet18
    switchport trunk native vlan 40
    interface gigabitethernet19
    switchport mode access
    switchport access vlan 5
    interface gigabitethernet20
    switchport trunk native vlan 5
    switch4ba497#sh ip int
        IP Address         I/F       Type     Directed   Precedence   Status
                                              Broadcast
    0.0.0.0/32          vlan 10   DHCP        disable    No         Not
                                                                    received
    0.0.0.0/32          vlan 20   DHCP        disable    No         Not
                                                                    received
    0.0.0.0/32          vlan 30   DHCP        disable    No         Not
                                                                    received
    0.0.0.0/32          vlan 40   DHCP        disable    No         Not
                                                                    received
    192.168.2.254/24    vlan 1    Static      disable    No         Valid
    192.168.3.102/24    vlan 5    DHCP        disable    No         Valid
    switch4ba497#
    I also do not understand why the ip address is 0.0.0.0/32.
    Becuase the dhcp address 192.168.3.1/24
    Thanks.

    Hello Tom,
    Yes i can feel you taking me toward the solution.
    Actually I have an ADSL router that has DHCP capability and my vlan interfaces are to receive ip address from it.
    The adsl router Ip address is 192.168.3.1
    Vlan 5 WAN which is directly connected to the adsl router get Ip address while the other vlan do not.
    When I assign port from other vlan to vlan 5 and I attach host to the port they get ip address and go on internet. The strange thing is that the other vlan do not get ip address. Thanks.

  • 2008 r2 hyper-v guest with static IP always looses network connectivity after every restart - no problem with DHCP

    Hello,
    We are running 2008 R2 domain with one physical DC and other running in VM on Hyper-V host (2008 R2 Standard). The host has 4 NICs and is configured to use one physical NIC for itself (management) and the hyper-v guest is configured to use another dedicated/physical
    NIC (through microsoft virtual switch) just for itself.
    I noticed that after setting the hyper-v guest with a static IP address all works fine only until guest restart. When the guest boots up the IP address is still configured correctly in IPv4 properties, but there is no network connectivity at all and in fact
    the guest shows running APIPA config in ipconfig /all output. That situation continues until I remove the virtual NIC from hyper-v guest, remove the virtual switch from dedicated NIC on host and then reconfigure it (using same settings as they were). very
    annoying.
    For time being I switched the virtual DC (problematic hyper-v guest) to a DHCP IP and configured DHCP server (running on physical DC machine, not on hyper-v host) to store a reservation for the hyper-v guest so it always gets the same "static"
    IP configuration.
    Is there some kind of a problem/bug with using static IP on (2008 R2) hyper-v guests? is there a hotfix for static IP config in hyper-v guest environment?
    both 2008 R2 OSes (host and guest) are up to date with all updates (synced with Microsoft, not WSUS).

    OK, I'm not at the office now, but took my time to test out the restart scenarios on problematic virtual guest remotely.
    No dice, same as it was, everything works fine after guest has IP configured in DHCP mode (IP reservation of 192.168.1.5 for specific MAC address) and it doesn't work after restart in static IP mode (same address, works before restart of guest).
    I also took "arp -a" outputs at each step from host server and that was always saying there is only a single host (192.168.1.5 = VDC = problematic virtual guest) assigned to that IP address and always with same MAC, so that pretty much rules out
    ARP/MAC troubles and no issues with switches/routers getting spoofed. Problem is most likely with the virtual guest (WS2008R2) or within the host running same OS.
    Here are outputs:
    A) VDC has IP configured in DHCP mode - always same, survives through restart (all works)
    Ethernet adapter Local Area Connection:
    Connection-specific DNS Suffix . : CD.lan
    Description . . . . . . . . . . . : Microsoft Virtual Machine Bus Network Adapter
    Physical Address. . . . . . . . . : 00-15-5D-01-D3-00
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::b9af:6679:3142:8799%13(Preferred)
    IPv4 Address. . . . . . . . . . . : 192.168.1.5(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Lease Obtained. . . . . . . . . . : Thursday, January 30, 2014 5:34:48 PM
    Lease Expires . . . . . . . . . . : Friday, February 07, 2014 5:35:26 PM
    Default Gateway . . . . . . . . . : 192.168.1.254
    DHCP Server . . . . . . . . . . . : 192.168.4.5
    DHCPv6 IAID . . . . . . . . . . . : 268440925
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1A-6F-5F-C2-00-15-5D-01-D3-00
    DNS Servers . . . . . . . . . . . : 192.168.1.5
    192.168.4.5
    NetBIOS over Tcpip. . . . . . . . : Enabled
    ARP -a output from host server at that time:
    Interface: 192.168.1.4 --- 0xc
    Internet Address Physical Address Type
    192.168.1.5 00-15-5d-01-d3-00 dynamic
    B) VDC has IP configured in static mode - BEFORE RESTART (all works)
    Ethernet adapter Local Area Connection:
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Microsoft Virtual Machine Bus Network Adapter
    Physical Address. . . . . . . . . : 00-15-5D-01-D3-00
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::b9af:6679:3142:8799%13(Preferred)
    IPv4 Address. . . . . . . . . . . : 192.168.1.5(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 192.168.1.254
    DHCPv6 IAID . . . . . . . . . . . : 268440925
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1A-6F-5F-C2-00-15-5D-01-D3-00
    DNS Servers . . . . . . . . . . . : 192.168.1.5
    192.168.4.5
    NetBIOS over Tcpip. . . . . . . . : Enabled
    ARP -a output from host server at that time:
    Interface: 192.168.1.4 --- 0xc
    Internet Address Physical Address Type
    192.168.1.5 00-15-5d-01-d3-00 dynamic
    C) VDC has the same IP configured in static mode - AFTER RESTART (no more network connectivity at all, LAN in Public zone)
    Windows IP Configuration
    Host Name . . . . . . . . . . . . : VDC
    Primary Dns Suffix . . . . . . . : CD.lan
    Node Type . . . . . . . . . . . . : Hybrid
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No
    DNS Suffix Search List. . . . . . : CD.lan
    Ethernet adapter Local Area Connection:
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Microsoft Virtual Machine Bus Network Adapter
    Physical Address. . . . . . . . . : 00-15-5D-01-D3-00
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::b9af:6679:3142:8799%13(Preferred)
    Autoconfiguration IPv4 Address. . : 169.254.135.153(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.0.0
    Default Gateway . . . . . . . . . : 192.168.1.254
    DHCPv6 IAID . . . . . . . . . . . : 268440925
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1A-6F-5F-C2-00-15-5D-01-D3-00
    DNS Servers . . . . . . . . . . . : 192.168.1.5
    192.168.4.5
    NetBIOS over Tcpip. . . . . . . . : Enabled
    ARP -a output from host server at that time:
    Interface: 192.168.1.4 --- 0xc
    Internet Address Physical Address Type
    192.168.1.5 00-15-5d-01-d3-00 dynamic
    Throughout the testing, the hyper-v host IP configuration and IPconfig output was always staying same.
    The Network Connection #2 is the only one the host uses (not shared with hyper-v guests).
    The Network Connection #4 is assigned to Microsoft Virtual Switch hence why it doesn't show up in results, like below:
    Windows IP Configuration
    Host Name . . . . . . . . . . . . : HYPER-V
    Primary Dns Suffix . . . . . . . : CD.lan
    Node Type . . . . . . . . . . . . : Hybrid
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No
    DNS Suffix Search List. . . . . . : CD.lan
    Ethernet adapter Local Area Connection 3:
    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : HP Ethernet 1Gb 4-port 331i Adapter #3
    Physical Address. . . . . . . . . : 9C-8E-99-52-15-91
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Ethernet adapter Local Area Connection 2:
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : HP Ethernet 1Gb 4-port 331i Adapter #2
    Physical Address. . . . . . . . . : 9C-8E-99-52-15-90
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::dc78:8a3b:38a5:7af3%12(Preferred)
    IPv4 Address. . . . . . . . . . . : 192.168.1.4(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 192.168.1.254
    DHCPv6 IAID . . . . . . . . . . . : 312250009
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1A-67-52-8F-9C-8E-99-52-15-93
    DNS Servers . . . . . . . . . . . : 192.168.4.5
    192.168.1.5
    NetBIOS over Tcpip. . . . . . . . : Enabled
    Ethernet adapter Local Area Connection:
    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : HP Ethernet 1Gb 4-port 331i Adapter
    Physical Address. . . . . . . . . : 9C-8E-99-52-15-93
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    On Monday I will install more test guests in Hyper-V host (WS2008R2), in variety of flavors like 7x64, 8.1x64, ws2012r2, and see if they show similar problems with static IP configuration when utilizing a dedicated NIC from host server.
    Don't get me wrong, I can live with virtual DC running on DHCP IP reservation (which is based on MAC), because the virtual DC pretty much requires a physical PDC (hosting also DHCP in my network) to be present for safety reasons ... however I prefer a static
    IP configuration on all servers, hence my question and surprise why it doesn't work.

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