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Re: [PLUG] Re: DSL she no go...
On 02 Dec, 2004, at 10:10, Doug Crompton wrote:
Question... They assigned me an IP address. It will always be the same
BUT
it will be DHCP assigned and linked to the MAC address. Technically
this
is not the same as a static IP but functionally it should be the
same?????
I am running servers and need a stable IP. They later will assign up
to 4
additional IP's as part of the package to other MAC addresses if
needed.
Yeah... but.
DCAnet used to assign a real static IP, one that you had to manually
configure.
They had to manually map your MAC address to that static IP so that you
could clear the router. Any time you switched hardware, you needed to
register the new MAC address to the appropriate IP. This was a security
and control issue, primarily to prevent spoofing.
About a year ago or so they switched to using "mapped" DHCP addresses.
Your MAC address is always mapped to the same IP and you will always
get it re-assigned to that MAC address (so in that sense it is still
static), but your system must now use the DHCP protocol to initiate a
connection.
The primary "problem" with a DHCP configuration is the fact that your
lease does expire.
DCAnet is using a 7 day lease, so it's a while, but when the expiration
occurs, the lease renewal activity takes "time" -- so there is a brief
period where the connection is completely "down."
In one sense, this is a "benefit" -- you can move a NIC from one
machine to another and it will carry the IP with it without you having
to re-configure the box.
As a long time DCAnet customer, I happen to have a mix of the two -- 3
"real" static-IP addresses on my original hardware, and 2 new "dynamic"
static-IPs on upgraded hardware.
BTW: What is your line speed?
The old pricing scheme (based on Bell Atlantic pricing in 2000) had 3
levels:
Downstream Downstream Upstream Pricing
connection speed connection
Speed Ranges vs. 56K Speed Ranges
Up to:
Personal 256 kbps-640 kbps 11x faster 90 kbps- 90 kbps
39ドル.95/month
Infospeed DSL
Professional 960 kbps-1.6 Mbps 28x faster 90 kbps- 90 kbps
99ドル.95/month
Infospeed DSL
Power 4.48 Mbps-7.1 Mbps 126x faster 384 kbps- 680 kbps
189ドル.95/month
Infospeed DSL
The "professional" level is now: 1.5 X 768.
T.T.F.N.
William H. Magill
# Beige G3 - Rev A motherboard - 768 Meg
# Flat-panel iMac (2.1) 800MHz - Super Drive - 768 Meg
# PWS433a [Alpha 21164 Rev 7.2 (EV56)- 64 Meg]- Tru64 5.1a
# XP1000 [Alpha EV6]
magill@mcgillsociety.org
magill@acm.org
magill@mac.com
whmagill@gmail.com
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