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GG AMERSFOORT Datum: Zaterdag
11 februari 2006 Betreft: ADSL-aansluiting op iMac Uw referentiecode: 84-4239/10-05 Kenmerk:
20060211JHHetNet
Geachte mevrouw Bügel-Gabreëls,
Deze brief sluit aan op mijn schrijven van
woensdag 18 januari 2006 met
kenmerk 20060118JHHetNet. Inmiddels ben ik weer in Spanje
en heb van de helpdesk van Apple het onderstaande bericht ontvangen.
Vanmiddag ontving ik van mijn 86-jarige moeder bericht dat KPN
haar een bedrag van EUR 268,04 in rekening zal brengen. Dit is
niet in overeenstemming van het gestelde in mijn
brief van 18 januari. Ik heb ingetekend op een abonnement
van EUR 19,95 per maand met een korting van tien euro in het eerste
halfjaar. Onder de uitdrukkelijke voorwaarde dat NIET aan
mijn moeder wordt gefactureerd. Voorts heb ik van de service van
KPN nog geen gebruik kunnen maken.
Ik verzoek u hieromtrent direct na ontvangst van deze brief contact
met mij op te nemen via mijn telefoonnummer in Spanje
of mijn mobiele nummer. Mijn emailadres is ***** Mijn brieven treft
u ook aan op 18 JANUARI 2006 ADSL-AANSLUITING
OP IMAC (1) en
http://www.cervantes.nu/VerzondenBrieven/20060211JHHetNet.html Er is klaarblijkelijk sprake van een stevig communicatieprobleem.
Hoogachtend, J.L.
VAN DER HEYDEN E29620 TORREMOLINOS SPANJE
Tue, 17 Jan 2006 05:09:29 -0800
(PST) Subject: Open
Transport: DHCP Client Behavior From: do_not_reply@apple.com
Hello from Apple! mischa
at Apple Service Support thought that you might find this article
useful. We hope that it helps resolve your technical issue.
Link: http://www.info.apple.com/kbnum/n58372
Open Transport: DHCP Client
Behavior Different versions of Open
Transport behave differently when discovering, renewing, and releasing
a DHCP lease. This article describes the behavior of the DHCP
client in different versions of Open Transport. In response to
customer feedback, Apple has changed the DHCP client implementation
in Mac OS 8.5, and again in Mac OS 8.6. A given DHCP client may
behave in unexpected ways with certain DHCP servers. This document
aids in troubleshooting DHCP issues by providing a reference for
the expected behavior of each version of Open Transport and the
Mac OS. For a complete description of the terms used below, and
for a description of the DHCP protocol, see RFC 2131.
Mac OS 8.1 and earlier (Open
Transport 1.3.1 and earlier) IP Load Every time the
IP stack loads, the DHCP client sends out a DHCPDISCOVER packet.
If the Macintosh receives no response to this, IP does not load
and any application trying to use IP services returns an error.
Loading IP in this manner does not attempt to keep the same IP
address when a computer is restarted. Depending on the DHCP server
configuration, the client may receive a different IP address every
time the IP stack loads. IP
Unload When the IP stack unloads,
the DHCP client sends a DHCPRELEASE. Mac OS 8.5.x (OpenTransport 2.0.1 & 2.0.2)
IP Load The
DHCP client was modified in Mac OS 8.5 so that the client would
attempt to regain the previously assigned IP address if the lease
is still active when the IP stack loads. This makes it much more
likely that a computer retains the same IP address when it is
restarted. The IP stack can load in two different states in Mac
OS 8.5: INIT
A client starts up in the INIT phase when:
(a) the previous lease has expired when
the client starts up. (b) there
is no previous lease information (this is the first start up with
DHCP, or the previous attempt to load IP timed out).
In the INIT state, the Macintosh sends out
a DHCPDISCOVER, requesting a lease from any DHCP server on the
network. If the Macintosh client receives no response to the DHCPDISCOVER
after about a 16-to 20-second wait, DHCP generates a randomly
chosen IP address in the range 169.254.0.0 to 169.254.254.255
inclusive and a subnet mask of 255.255.0.0. INIT-REBOOT If the client's last assigned DHCP lease has not
expired, then the client starts up in the INIT-REBOOT state in
an attempt to regain the most recently used IP address. The Macintosh
broadcasts a DHCPREQUEST asking to use its last IP address.
The server should respond to a DHCPREQUEST
in one of two ways: 1. Server
sends the client DHCPACK, which tells the client that it may use
the requested IP address. In this case the client proceeds with
a new lease on the same IP address. 2.
Server sends the client DHCPNACK, which tells the client that
it may not use the requested IP address. The client then moves
to the INIT state and sends out DHCPDISCOVER as noted above.
If the Macintosh begins in the INIT-REBOOT
state and receives no response to its DHCPREQUEST, this attempt
to load the IP stack fails and the client has no IP services.
The state of the client is changed so the next stack load starts
in the INIT state described above. IP Unload When
the IP stack unloads, the DCHP client sends out a DHCPRELEASE.
This lets the server know that the client no longer needs the
IP address and frees the server to allocate the address to another
client. Mac OS
8.6 and later (Open Transport 2.0.3 and later) IP Load The
DHCP client behaves similarly to Mac OS 8.5 in that IP initially
loads in the INIT state, and loads in the INIT-REBOOT state (sending
out a DHCPREQUEST) if its previously assigned lease has not expired.
However, unlike Mac OS 8.5, if no DHCP server responds and INIT-REBOOT
times out, the computer automatically reverts to the INIT state,
send out a DHCPDISCOVER, and search for another DHCP server on
the network. If there is no response to the DHCPDISCOVER after
a few tries, it picks a randomly generated IP address as in Mac
OS 8.5. IP Unload
When the IP stack unloads, the DHCP
client no longer sends a DHCPRELEASE. Furthermore, once a DHCP
lease is obtained, the IP stack does not unload, regardless of
whether or not "Load Only When Needed" is checked (this
is not true for PPP links, since this wouldn't allow users to
automatically hang up after a specified period of idle time).
The Macintosh unloads the IP stack only if it is shut down, restarted,
or inactivated in the TCP/IP control panel. In addition, the stack
unloads on a PowerBook when it is put to sleep. Otherwise, it
continuse to renew the DHCP lease. Note: Open Transport 2.5.1
and 2.5.2 have an issue which can cause the client not to renew
the lease properly if the renewal time is longer than 1 hour.
For additional information please see article 25049: "Mac OS: DHCP Issues With Open
Transport 2.5.1 and 2.5.2" TCP/IP Options (Mac OS 8.6)
For administrators who prefer the 8.1 DHCP client behavior, the
TCP/IP Options control panel allows users to revert to the old
behavior. By checking the box for "don't retain DHCP lease
on shutdown, " the Macintosh always starts up with DHCPDISCOVER,
and always send a DHCPRELEASE upon unloading the IP stack.
Thank you, Apple **This
message has been auto-generated. Please do not reply to this email.
Replies will be ignored. If you
still have questions, be sure to visit Apple's award-winning Service
Support <http://www.apple.com/support/>
site. You'll find tons of helpful technical articles, information,
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help you get the most out of your Apple product. Got an iMac?
iMac users can chat online with a live support agent, 24/7, on
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VOORHOEVE, Minister
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WIJERS, Minister
van Sociale Zaken en Werkgelegenheid AD MELKERT en Minister van Ontwikkelingswerk JAN
PRONK.
16.18
- ADSL-AANSLUITING OP IMAC (3)
-
AANSLUITING ADSL EN OVERNAME KPN T.A.V. AD SCHEEPBOUWER
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VANAF 16
OKTOBER 2004 HEEFT
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EIGENAAR VAN HET HANDELSMERK
INSTITUTO CERVANTES
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© J.L. VAN
DER HEYDEN TORREMOLINOS
ALLE
RECHTEN VOORBEHOUDEN
