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Re: [lwip-users] DHCP recovery after network change
From: |
Jonathan Larmour |
Subject: |
Re: [lwip-users] DHCP recovery after network change |
Date: |
Wed, 20 Feb 2008 16:13:05 +0000 |
User-agent: |
Thunderbird 1.5.0.12 (X11/20070530) |
Art R. wrote:
> If lwIP has acquired an IP addr by DHCP, and then the connection is switched
> from one network to another (think unplug from one subnet, walk across the
> hall, plug into different subnet), will it be able to release its current IP
> and acquire a new one? I.e., does it have that capability? Some preliminary
> tests we have done have not gone well...
It is meant to, although would not notice until the original DHCP lease
comes up for renewal. Higher level code could detect, for example, link
up/down events and check whether the network has changed.
Jifl
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