I've been trying to switch over to using Comcast (from a DSL connection). I updated my wrap firmware to 1.32 and reconfigured my WAN connection for DHCP. The problem I have is that I can't get a DHCP address from Comcast. I'm using IPV4.
With wireshark I see the DHCPDISCOVER packet going out. And the main Comcast DHCP server promptly responds with a DHCPACK (filled with the appropriate address info). This appears to be the new "Rapid Commit" as described in RFC4039. The "I'll support rapid commit" bit doesn't seem to be enabled in my DISCOVER packet but Comcast seems to be doing it anyway.
Is there a way to get m0n0wall to accept going straight from DISCOVER to ACK?
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Topic: Comcast/DHCP/RFC4039