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DHCP server configuration with 2 subnet

  • 1.  DHCP server configuration with 2 subnet

    Posted Thu November 17, 2005 06:31 PM

    Originally posted by: aixadmin


    Hi,

    I'm trying to configure the dhcpsd to serve IPs in 2 subnets in the same IP network.

    The server has the IP 10.1.35.5/22 and I want serve IPs for clients in 10.1.34 and 10.1.35.

    My configuration file is like that

    supportunlistedClients no

    network 10.1.32.0 22
    {
    subnet 10.1.34.0 10.1.34.99-10.1.34.101
    {
    option 6 10.1.35.5 # DNS
    option 15 my.domain # Domain
    option 3 10.1.35.4 #Gateway
    client 1 0040d02a65b1 10.1.34.100 #PC pmarch
    }
    subnet 10.1.35.0 10.1.35.62-10.1.35.66
    {
    option 6 10.1.35.5 #DNS
    option 15 my.domain #Domain
    option 3 10.1.35.6 10.1.35.4 #Gateways

    client 1 000d602c14d0 10.1.35.64 #PC apujol
    }
    }

    The dhcpsd starts correctly but it only can serve IP for apujol but not for pmarch.

    It respons the lssrc -ls dhcpsd correctly:

    IP Address Status Duration Time Stamp Client ID
    10.1.34.99 Free
    10.1.34.100 Free
    10.1.34.101 Free
    10.1.35.62 Free
    10.1.35.63 Free
    10.1.35.64 Leased 3600 Nov 17 17:18 1-000d602c14d0
    10.1.35.65 Free
    10.1.35.66 Free
    But in the log file I can see a message like that when the PC pmarch try to get the IP:

    PROTERR: ............ db_modify_client_newaddr: Nothing available for client, 1-000fcbd1b8c0

    If I change the order of the subnets definitions, then dhcpsd only serves IP for pmarch but not for apujol

    Some clues to resolve this nigtmare will be apreciated.

    Thanks in advance.


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