RE: VPN over Comcast

2010-04-28 Thread Mark Mayfield
In June of last year, when Comcast did firmware updates on the business gateways in the MSP area, we lost all (3) of our sites with Netgear gateways, but not the sites SMC gateways (the management interface is almost identical, but the brand is marked on the modem). Business support was apparen

Re: VPN over Comcast

2010-04-27 Thread Aaron C. de Bruyn
On 2010-04-27 at 14:56:04 -0400, schilling wrote: > http://ckdake.com/content/2008/disable-gateway-smart-packet-detection.html > showed a feature of "Gateway Smart Packet Detection" in some SMC > cable modem. On one of our cable modems I had this manifest itself by dropping every other packet. I

Re: VPN over Comcast

2010-04-27 Thread Jared Mauch
You can get into the SMC device yourself by going to the http://10.1.10.1/login.asp link on the SMC. The username/password are well known as cusadmin/highspeed. I also recommend against using the integrated services in the device if at all possible. It's also mildly annoying that it does not

Re: VPN over Comcast

2010-04-27 Thread schilling
http://ckdake.com/content/2008/disable-gateway-smart-packet-detection.html showed a feature of "Gateway Smart Packet Detection" in some SMC cable modem. The current solution is to identify the affected Comcast modem, and ask Comcast engineer to turn that "IDS" feature off remotely. I spend seve

Re: VPN over Comcast

2010-04-27 Thread James M Keller
On 4/27/2010 1:42 PM, Michael Malitsky wrote: I will probably be laughed at, but I'll ask just in case. We are having particularly bad luck trying to run VPN tunnels over Comcast cable in the Chicago area. The symptoms are basically complete loss of connectivity (lasting minutes to sometimes ho

Re: VPN over Comcast

2010-04-27 Thread Owen DeLong
On Apr 27, 2010, at 10:48 AM, Kevin Day wrote: > > On Apr 27, 2010, at 12:42 PM, Michael Malitsky wrote: > >> I will probably be laughed at, but I'll ask just in case. >> >> We are having particularly bad luck trying to run VPN tunnels over >> Comcast cable in the Chicago area. The symptoms a

Re: VPN over Comcast

2010-04-27 Thread gladney
Are you running IPSec over UDP? We've had problems in Maryland with IPSec over UDP to Comcast customer. Try switching to TCP. Gary --Original Message-- From: Michael Malitsky To: nanog@nanog.org Subject: VPN over Comcast Sent: Apr 27, 2010 1:42 PM I will probably be laughed at, but I'l

Re: VPN over Comcast

2010-04-27 Thread Kevin Day
On Apr 27, 2010, at 12:42 PM, Michael Malitsky wrote: > I will probably be laughed at, but I'll ask just in case. > > We are having particularly bad luck trying to run VPN tunnels over > Comcast cable in the Chicago area. The symptoms are basically complete > loss of connectivity (lasting minut