Make sure to set "no cdp enable" on the port that's going to your cable modem. A lot of cable companies will shut down connections that broadcast those by default so as not to broadcast the networks together.
I had same issue with my Comcast connection until I found out about the CDP issue. -Sean From: list-boun...@lists.pfsense.org [mailto:list-boun...@lists.pfsense.org] On Behalf Of Wade Blackwell Sent: Saturday, October 26, 2013 4:00 PM To: list@lists.pfsense.org; supp...@pfsense.org Subject: [pfSense] 802.1q dhcp and pf 2.1 and esxi 5.0 Good afternoon all, I have 2.1-RELEASE (amd64) running on esxi 5.0 with a Cisco managed L2 switch (SG200-26) in between esxi and the charter cable modem. I see my dhcp discovers go out (broadcast) I never see any dhcp traffic come back. Charter's been out a few times, they did determine that they see my discover and they respond though I don't see the reply. With a dedicated interface they can get an address off the modem. ASCII art below; charter cable modem--g24 cisco vlan 5---esxi vlan5--pf em0. I've tried this dedicating a vnic to a standalone vswitch with no 802.1q and I've tried 802.1q on the esxi side. The cable modem port is always an access port in vlan 5. STP has been disabled on the charter modem port. Every port has portfast enabled and the mac timers have been cranked down to the minimum, 10 seconds I believe. I've captured traffic from vlan 5 and g24 (cable modem port) and seen the same thing, dhcp discovers go out, nothing comes back. I'm thinking there has to be a handful of folks on this list who have dealt with this and succeeded. Any advice would be fabulous, I'd like to keep my L3 in software if I can. Thanks so much. -W -- Wade Blackwell Solutions Architect (D) 805.457.8825 X998 (C) 805.400.8485 (S) coc.wadeblackwell
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