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Wired Networks Thread, LGFL 2.0 Issues: Connection to Network in Technical; Hi! Can anyone help? Here at work we upgraded our network to LGFL 2.0 recently. Everything was working fine until ...
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    LGFL 2.0 Issues: Connection to Network

    Hi! Can anyone help?

    Here at work we upgraded our network to LGFL 2.0 recently. Everything was working fine until we try to add new devices to the network or re-add old devices.

    It seems that any device we tried to add from now (after 2.0 swtich over) on or re-add to the network will assign 169.x.x.x.x address and does not see the DHCP at all. We have tried manually assigning these devices to our DNS but the ip address is still 169.x.x.x.x.

    Here are ipconfig/all details:

    Microsoft Windows [Version 6.1.7601]
    Copyright (c) 2009 Microsoft Corporation. All rights reserved.

    C:\Users\Administrator>ipconfig/all

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : FOODTECH-22
    Primary Dns Suffix . . . . . . . : addington.local
    Node Type . . . . . . . . . . . . : Hybrid
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No
    DNS Suffix Search List. . . . . . : addington.local

    Wireless LAN adapter Wireless Network Connection:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Atheros AR9285 Wireless Network Adapter
    Physical Address. . . . . . . . . : 00-25-D3-FF-B8-D8
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes

    Ethernet adapter Local Area Connection:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Realtek RTL8102E/RTL8103E Family PCI-E Fa
    st Ethernet NIC (NDIS 6.20) #2
    Physical Address. . . . . . . . . : 00-EB-01-01-F2-B9
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::107c:97da:9fd5:5540%14(Preferred)
    Autoconfiguration IPv4 Address. . : 169.254.85.64(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.0.0
    Default Gateway . . . . . . . . . : 10.56.240.1
    DHCPv6 IAID . . . . . . . . . . . : 285272833
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-15-E9-4C-82-00-EB-01-01-F2-B9

    DNS Servers . . . . . . . . . . . : 10.56.244.2
    172.30.178.53
    172.30.178.54
    NetBIOS over Tcpip. . . . . . . . : Enabled

    Tunnel adapter isatap.{4B5F4FEF-A721-42DA-91B8-63987F69B5E6}:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Microsoft ISATAP Adapter
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter isatap.{6BECBBF5-B4B4-43B9-B8A0-FEAD7CC90F6B}:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Please let me know if anyone else has had problems with LGFL 2.0 as well!

    Thanks,

    Amy

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    No LGFL2.0 experience, but here's where I'd start:

    0)One or many clients affected? Have you tried a different port/cable?

    1) Where is your DHCP Server? Is it up and is DHCP running.
    2) What VLAN is your DHCP Server on? What VLAN is your client connected to? If you have multiple VLANs is a DHCP/UDB helper service running on your core switch/router, and is it configured correctly.

    Last question: Where do those DNS server IP's come from?

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    Problem solved! It was the DHCP settings not configured properly to our environment (had default settings due to Virgin Media configuration while setting it up). Thanks for your help.



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