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IP6 Address



 
 
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  #16  
Old December 15th 18, 11:36 PM posted to alt.windows7.general
VanguardLH[_2_]
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Posts: 10,881
Default IP6 Address

Char Jackson wrote:

VanguardLH wrote:

There's the IP address of your intranet host.
There's the IP address on the LAN-side of your router.
There's the IP address on the WAN-side of your router. (*)
There's the IP address on the WAN-side of the modem. (*)
There's the IP address on the ISP-side of the modem.
(*) You won't see this in a combo (router+modem).


If I may nitpick just a bit, everything stated above is correct except
that the modem also has a LANside and a WANside, rather than a WANside
and an ISPside. (WANside and ISPside would refer to the same interface
and are thus redundant.)


Actually I made up the term ISPsideIP. The modem would only have a
LANside and WANside interface. That terminology is best when the host
is directly connected to the host. However, with the router and modem
chained together, I wanted to differentiate the WAN-side of the modem as
being to the ISP and its LAN-side interface going to the WAN-side of the
router. Because of the chaining, I wanted to use terms that more
closely represented how the interfaces were connected. Saying "modem's
LAN-side interface to the router's WAN-side interface" is not a handy
term and better left as a description.

Most modem makers have settled on 192.168.100.1 as their hardcoded
LANside IP address,


Mine uses 10.0.0.1, also an APIPA address.

https://en.wikipedia.org/wiki/Reserved_IP_addresses
10.0.0.0/8 Private network
Used for local communications within a private network
192.168.0.0/16 Private network
Used for local communications within a private network.

My prior modem use 192.168.0.1 and I had shortcuts in my Start menu (in
a Network subfolder) to easily connect to my modem. Took me a little
bit when that stopped working to do an "ipconfig /all" to see the
gateway IP address for my host had changed.

I found your cable modem at with pics:
https://www.amazon.com/MOTOROLA-Cert.../dp/B019ZY1ZWS
The backside has only 1 Ethernet port, so it is usable with only a
single intranet host


Usually the case, but not strictly true. It used to be more common than
it is now, but ISPs can assign a service profile that allows more than
one routable IP address to be assigned from the CMTS.


Sorry to be confusing. By "host" I meant any downstream device which
would include a router (with its internal switch). Didn't seem Ross was
at your level of technical detail.
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  #17  
Old December 16th 18, 02:32 AM posted to alt.windows7.general
Char Jackson
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Posts: 10,449
Default IP6 Address

On Sat, 15 Dec 2018 16:19:25 -0600, VanguardLH wrote:

You can always put your own router downstream of the cable modem. You
will have to do that, anyway, if you have more wired hosts than the
number of ports on the combo modem.


No, if you need more ports you don't add another router, you add another
switch. If all you have is a spare router, you can use it as a switch if
you disable its DHCP and remember not to use its WAN port.

--

Char Jackson
 




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