Re: Cisco VPN client gives the following status: Not Connected
- From: roberson@xxxxxxxxxxxxxxxxxx (Walter Roberson)
- Date: Sat, 16 Jul 2005 16:10:41 +0000 (UTC)
In article <dbb6oi$6hq$1@xxxxxxxxxxxxxxx>,
=?ISO-8859-2?Q?=A3ukasz_Bromirski?= <j23@xxxxxxxxxxxxxx> wrote:
:Walter Roberson wrote:
:> No, 169.254 is reserved for local connections, and is deliberately
:> not supposed to be routable. It differs from the RFC1918 address
:> spaces, which are private but routable within a private network.
:There is no such thing as unroutable IP address. Even 127.0.0.1 is
:routable. You possibly meant IP address from private and reserved
:address spaces.
You would appear to be incorrect on both points.
http://www.faqs.org/rfcs/rfc3927.html
"RFC 3927 - Dynamic Configuration of IPv4 Link-Local Addresses"
This document uses the term "routable address" to refer to all valid
unicast IPv4 addresses outside the 169.254/16 prefix that may be
forwarded via routers. This includes all global IP addresses and
private addresses such as Net 10/8 [RFC1918], but not loopback
addresses such as 127.0.0.1.
http://www.faqs.org/rfcs/rfc3330.html
"RFC 3330 - Special-Use IPv4 Addresses"
127.0.0.0/8 - This block is assigned for use as the Internet host
loopback address. A datagram sent by a higher level protocol to an
address anywhere within this block should loop back inside the host.
This is ordinarily implemented using only 127.0.0.1/32 for loopback,
but no addresses within this block should ever appear on any network
anywhere [RFC1700, page 5].
169.254.0.0/16 - This is the "link local" block. It is allocated for
communication between hosts on a single link. Hosts obtain these
addresses by auto-configuration, such as when a DHCP server may not
be found.
--
"I want to make sure [a user] can't get through ... an online
experience without hitting a Microsoft ad"
-- Steve Ballmer [Microsoft Chief Executive]
.
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