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To: cygwin AT cygwin DOT com
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Subject: Re: (De)activating network connection
Message-ID: <OF15EEB4D8.B6B9CEE4-ON86256F24.00769234-86256F24.0076CCA0@us.ibm.com>
From: Fred Kulack <kulack AT us DOT ibm DOT com>
Date: Tue, 5 Oct 2004 16:37:35 -0500
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Getting way off topic here, and I'm sure you found this also, but ipconfig 
is useful for 
DHCP connection manipulation.  I find its sufficient for my use although 
it doesn't
do the activate/deactivate step.
YMMV.

Example:
ipconfig /release '*Builtin*'
ipconfig /renew '*Wireless*'


USAGE:
    ipconfig [/? | /all | /renew [adapter] | /release [adapter] |
              /flushdns | /displaydns | /registerdns |
              /showclassid adapter |
              /setclassid adapter [classid] ]

where
    adapter         Connection name
                   (wildcard characters * and ? allowed, see examples)

    Options:
       /?           Display this help message
       /all         Display full configuration information.
       /release     Release the IP address for the specified adapter.
       /renew       Renew the IP address for the specified adapter.
       /flushdns    Purges the DNS Resolver cache.
       /registerdns Refreshes all DHCP leases and re-registers DNS names
       /displaydns  Display the contents of the DNS Resolver Cache.
       /showclassid Displays all the dhcp class IDs allowed for adapter.
       /setclassid  Modifies the dhcp class id.



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