DHCP Across Wireless Bridge

Ted Lemon ted.lemon at nominum.com
Tue Dec 31 13:12:52 UTC 2013

On Dec 31, 2013, at 12:35 AM, Anthony Hoppe <anthony.hoppe at gmail.com> wrote:
> This seems to have done the trick!  Thanks!  I think this is definitely a case of "RTFM."  I am going to become a lot more familiar with the dhcpd.conf man page.

You did the right thing—the man page wouldn't have helped until you figured out what was being done differently by the Cisco server.   The wireless relay is broken.

> class "WirelessBridge" {
> 	match hardware;
> }
> subclass "WirelessBridge" 1:00:02:6f:9b:fe:52;
> Even if the above is remotely correct, I'm not sure how to write "always-broadcast for clients in class WirelessBridge".

Unless the bridge is configured to act as a layer-two relay agent (doubtful) there should be no sign that packets have traversed it.   IOW, no way to detect that the client needs broadcast.

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