Does IP helper forward subnet broadcasts?

Posted by Eamon on Server Fault See other posts from Server Fault or by Eamon
Published on 2010-06-17T09:03:06Z Indexed on 2010/06/17 9:13 UTC
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Hi, I have a device on a VLAN that uses UDP subnet broadcasts to advertise its presence to similar devices.
This works fine on a single VLAN, but now I need to allow it to communicate with similar devices on a second VLAN.
I thought of using the IP helper command in the router, but I am wondering if that only forwards global broadcasts (255.255.255.255)?
My device sends out a subnet broadcast (e.g. 192.168.6.255)
Will IP helper change the destination address to the target subnet (e.g. 192.168.7.255)?
Eamon

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