Bob Hall wrote:
1) It is a Motorola cable modem. (SB5100)
The modem web page contained this:
The SURFboard cable modem can be used as a gateway to the
Internet by a maximum of 32 users on a Local Area Network (LAN).
When the Cable Modem is disconnected from the
On Fri, Jul 15, 2005 at 11:38:07AM +0100, Alex Zbyslaw wrote:
Bob Hall wrote:
The modem web page contained this:
The SURFboard cable modem can be used as a gateway to the
Internet by a maximum of 32 users on a Local Area Network (LAN).
When the Cable Modem is disconnected
Bob Hall wrote:
However, note the When the Cable Modem is disconnected from the
Internet... so the only reason it should be handing you the local IP is
if it cannot talk back to the DHCP server it gets your real IP from. If
Yea, that's pretty obvious. It's also pretty undesirable.
On 7/15/05, Alex Zbyslaw [EMAIL PROTECTED] wrote:
Bob Hall wrote:
However, note the When the Cable Modem is disconnected from the
Internet... so the only reason it should be handing you the local IP is
if it cannot talk back to the DHCP server it gets your real IP from. If
Yea,
On Fri, Jul 15, 2005 at 07:14:52PM +0100, Alex Zbyslaw wrote:
Also if the 4100 can't reach the DHCP server, the green lights won't
ever all come on, so it's pretty obvious when there is a fault. Of
course, that might be because the local DHCP server has been turned off ;-)
In this case, the
Hornet wrote:
On 7/15/05, Alex Zbyslaw [EMAIL PROTECTED] wrote:
When the person you talk
to has a script which doesn't go beyond turn if off; leave it for 30
seconds and turn it back on again, you are in trouble.
You must use comcast. :)
Actually, Blueyonder/Telewest. The same
Bob Hall wrote:
two types of techs. The ones for whom their cloacal anatomy is
indistinguishable from their articulatio cubiti, and the ones who
Damn. Trumped by medical Latin. I hate it when that happens. :)
Well, one has to rise to a challenge :-) (And I'll admit cheating and
Bob Hall wrote:
Tonight, during a thunderstorm, I shutdown the household FBSD internet
gateway. After the storm passed, I booted it up again, only to discover
that during the bootup, my ISP's DHCP server had assigned me a new IP
address. That wasn't a problem in itself, but the new address was
At 10:29 PM 7/13/2005, Robert Huff wrote:
Glenn Dawson writes:
Sounds like you have one of the motorola cable modems. They will
assign exactly that address if they are turned on and can't
communicate with the cable companies network.
In such situations, my 3Com shows a red
On 7/14/05, Robert Huff [EMAIL PROTECTED] wrote:
Glenn Dawson writes:
Sounds like you have one of the motorola cable modems. They will
assign exactly that address if they are turned on and can't
communicate with the cable companies network.
In such situations, my 3Com
Thanks for all the replies. Responses to everyone's comments and
suggestions:
1) It is a Motorola cable modem. (SB5100)
2) I can access 192.168.100.1 after modifying the firewall rules that
stop RFC1918 nets on the outside interface. (IPFW) There's no checkbox
to disable DHCP. I downloaded the
Most cable modems have an RCF1918 on their external management
address. This is not part of the routing you see. The modem bridges
your NIC to the Cable headend interface - like a layer 2 ethernet. Do
a TCPDUMP on your external interface. Here in Cox Cable land you will
see packets from
Tonight, during a thunderstorm, I shutdown the household FBSD internet
gateway. After the storm passed, I booted it up again, only to discover
that during the bootup, my ISP's DHCP server had assigned me a new IP
address. That wasn't a problem in itself, but the new address was
192.168.100.11, an
At 09:49 PM 7/13/2005, Bob Hall wrote:
Tonight, during a thunderstorm, I shutdown the household FBSD internet
gateway. After the storm passed, I booted it up again, only to discover
that during the bootup, my ISP's DHCP server had assigned me a new IP
address. That wasn't a problem in itself,
Glenn Dawson writes:
Sounds like you have one of the motorola cable modems. They will
assign exactly that address if they are turned on and can't
communicate with the cable companies network.
In such situations, my 3Com shows a red light in the
appropriate slot. Do Motorolas not
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