Why doesn't he just telnet/console into the PIX and do a 'ip address dhcp ...' instead of rebooting? This should renew it - at least this was working for me in a PIX class I attended last week. I did ask the instructor if you could change the MAC address on the PIX due to ISPs locking DHCP down to a MAC address and right nows theres not a way to change the MAC.
--- Mark Odette II wrote: > "It Depends"!! > > Historically, If the PC's DHCP-assigned address has > never really changed > that often, then you should be fine. If it has > changed on a rather frequent > basis, then it'll probably stop having outside > communication after a small > period of time. > > Just as a side note, in some parts of the US, > specifically the D/FW area of > Texas, the Cable-modem providers have not configured > their networks in a way > that the PIX 501 doesn't get a DHCP address. One of > my colleagues is > running this with his provider. He has a PIX 501 > set up on Cable-modem, and > just has to bounce his PIX every once in a while > because the DHCP lease > doesn't renew in a standard automated fasion. But > as long as he reboots the > PIX, it gets a new address, and keeps on > transcieving.... > > I'll have to check to see who his provider is though > to give you an idea of > who does this functionality. > > -Mark > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of > Audy Bautista > Sent: Saturday, March 23, 2002 10:36 PM > To: [EMAIL PROTECTED] > Subject: Re: issue with PIX and dhcp ? [7:39269] > > > I'm having the same problem with a PIX 501 and cable > modem. I'm probably > just going to take the IP received from the PC by > the ISP and just put it > statically on the outside interface on the PIX. > Does anyone foresee any > issues with this setup? > > > ""bergenpeak"" wrote in message > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > > Hi John, > > > > Cable companies often configure their provisioning > (DHCP) severs > > to verify that the incoming DHCP request is from a > MAC which is > > known. > > > > Couple of things to try. > > > > * Power cycle the CM and then have the PIX attempt > to do DHCP. > > Do you get a DHCP OFFER? > > > > * After you power cycle the modem, put a sniffer > on the wire > > between the PIX and modem to make sure that the > PIX is generating > > enet frames from only one src MAC address. > Depending on your service > > and how the CM is configured, the CM might be > configured to learn > > one MAC on the home-side. If the PIX is > generating frames with > > different MAC src then the one used for DHCP, this > could be your > > issue. > > > > * If the above doesn't help and you have a host > which does get > > an IP address, configure the PIX (if possible) to > generate MAC > > src frames which originate with the host's MAC. > If this works, > > its likely because the cable company's DHCP > servers will only > > respond to known MACs. > > > > If you're an ATTBI-(former E@H/TCI) customer, > "unknown" MACs will > > usually get an IP address (but you'll have limited > access). > > > > If you're an ATTBI-(former Roadrunner/Mediaone) > customer, the > > provisioning system must know your MAC in order > for it to respond > > to your DHCP. > > > > Hope this helps, > > > > > > > > John Green wrote: > > > > > > is any one aware of any issue with PIX501 and > > > connecting via cable modem to get an ip address > (dhcp) > > > ? > > > > > > internet-----cable-----PIX----HOST > > > modem 501 > > > > > > without the pix, the HOST is able to get the > dhcp ip > > > address fine. the pix is configured to get an > > > ipaddress from dhcp for its outside interface. > but it > > > is failing. > > > does anyone know of such issues ? > > > > > > > __________________________________________________ > > > Do You Yahoo!? > > > Yahoo! Movies - coverage of the 74th Academy > Awards. > > > http://movies.yahoo.com/ [EMAIL PROTECTED] __________________________________________________ Do You Yahoo!? Yahoo! Movies - coverage of the 74th Academy Awards. http://movies.yahoo.com/ Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=39346&t=39269 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
