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DHCP options not being applied to VPN clients via RRAS

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  • DHCP options not being applied to VPN clients via RRAS

    I will post this in a new Tread, so everyone should see it Soon I'll go crazy because of this problem...

    Hello,

    Some RRAS clients in our organization don't receive DHCP options.

    Here is my configuration:
    - RAS server on Windows Server 2008 SP2 Enterprise x64: configured as VPN and NAT (LAN IP address: 172.16.0.2, WAN: 194.xxx.xxx.xxx)
    - DHCP server on Windows Server 2008 Enterprise x64 (LAN IP: 172.16.0.2)

    On RAS Server I've added LAN interface (which is connected to my DHCP server) to DHCP Relay Agent list, so now there are both - my LAN interface and also Internal interface, which is there by default. I also added my DHCP server's IP address to the list of DHCP servers on DHCP Relay Agent properties. I haven't configured anything else on DHCP Relay Agent.

    The problem is that XP clients always receive DHCP options, but Vista or Windows 7 clients don't receive them.

    DHCP configuration:
    Network: 172.16.0.1/24
    Range: 172.16.0.11-100
    GW: 172.16.0.1
    DNS1: 194.xxx.xxx.xxx/26
    DNS2: 194.xxx.xxx.xxx/26
    WINS: 194.xxx.xxx.xxx/26

    I really can't understand why Windows XP clients receive DHCP options, but Vista+ clients don't (or maybe sometimes they do).

    Also, if I watch DHCP Relay Agent windows I only see come request received on Internal interface, but none on my LAN interface. Also, there are no Replies received.

    I really don't know how to solve this problem because I'm very confused why some clients receive options and some don't.

    Thank you for your help!

    Best wishes,
    Marko

  • #2
    Re: DHCP options not being applied to VPN clients via RRAS

    Hello, dont really know, but the clients that dont receive ip, are they in a User Group ? probably security settings ?

    Regards
    Kevin

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