MatixWSTfoLiFE
n00b
- Joined
- Jul 21, 2004
- Messages
- 35
can anyone give me a full definition on what and what do static ips are/do?
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Codegen said:Static IPs are so the same computer will get the same IP each and everytime it requests one from the router.
Fint said:A machine with a static IP does not request it from anyone; it has been assigned by its administrator.
A machine with a DHCP reserveration will get the same IP each and everytime it requests an address from its DHCP server.
It's "static" in the sense that it doesn't change, but a "static IP" and "DHCP" are two very very different things. In one, a machine is leasing an IP address, gateway, and DNS server assignment from a central server for a time specified by that central server, and in another, you define the IP address, gateway, and DNS servers yourself on that machine.YeOldeStonecat said:IMO kinda muddy there....a reservation is still a form of static IP, the machine still asks for one, it's just assigned a static one based on its MAC because of the custom reservation made for it...but it's still assigned that IP by the DHCP service. It's just one of several means of assigning a static IP.
YeOldeStonecat said:2x of several approaches with the same result.
SJConsultant said:With the DHCP Reservations taking the win for easier management when changes are necessary.
Fint said:DHCP = dynamic host configuration protocol, ie, not static
kumquat said:- it is a dynamic IP that simply happens not to change.
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YeOldeStonecat said:A dynamic IP that does not change...hmmm.....seems diametrically opposed to Webster to me.
OK, so lets look to another example, on the other side of the router....you get a business DSL or cable account from your ISP, which is usually described as an account with a "static IP address".....according to many ISPs "product" page on their website. Look at their various levels of broadband, and focus towards their business grade packages, which also are usually "static IP" accounts, versus the basic "dynamic IP" entry level/home grade accounts. I've rarely had to set the WAN interface of the router manually, it's 99 and 44/100 % of the time driven at the authentication server (redback or radius or whatever the ISP uses) by their PPPoE account. Not all unlike a reservation. Are the ISP's wrong in calling these "static IP accounts"? Hrrrrmmmm?
sigh.YeOldeStonecat said:A dynamic IP that does not change...hmmm.....seems diametrically opposed to Webster to me.
OK, so lets look to another example, on the other side of the router....you get a business DSL or cable account from your ISP, which is usually described as an account with a "static IP address".....according to many ISPs "product" page on their website. Look at their various levels of broadband, and focus towards their business grade packages, which also are usually "static IP" accounts, versus the basic "dynamic IP" entry level/home grade accounts. I've rarely had to set the WAN interface of the router manually, it's 99 and 44/100 % of the time driven at the authentication server (redback or radius or whatever the ISP uses) by their PPPoE account. Not all unlike a reservation. Are the ISP's wrong in calling these "static IP accounts"? Hrrrrmmmm?
m1abram said:Actually I have a Business account with Cox Cable and I have a STATIC IP that I set on MY router. PPPoE setups are generally not used in a true Business line, atleast I would never touch an ISP that advertises Business and uses PPPoE.
kumquat said:sigh.
It's OK that you don't get it. You'll understand after you get a bit of experience, I guess.
A static IP is not a static IP if there's DHCP involved, dude. That's the beginning and the end of it.YeOldeStonecat said:Ditto.
But no trying to explain how ISPs descriptions are incorrect? They don't get it either? I mean, comon...step up to 10,000 feet and simply things here...LAN side or WAN side...an IP is the same thing. I won't buy that a static IP on the LAN is any different than a static IP on the WAN. Yes? No?
kumquat said:or you're misunderstanding what they're offering, .
jpmkm said:Someone mentioned the case where you get a static IP address from an ISP. You're paying extra for it(generally), so it had pretty damn well be static. Suppose the ISP gives you this "static" IP address via DHCP. How does it know it is you and to give you your IP address that you paid for? Your MAC address? What happens when your network card dies and you put a new one in with (obviously) a different MAC address. Now, how does the ISP know it is you in order to give you the static IP address that you paid for?
With that being said, static mapping of IP addresses using DHCP essentially performs the same function as real static address, and is generally quite a bit easier to manage. If I'm paying my ISP for a static IP address, though, I want to be able to use it no matter what MAC address my node has.