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From: thagor2008 on 10 Jul 2008 11:02
HI

Anyone know why I get this with IP6? I'm running Suse 10.3.

$ telnet fe80::21a:a0ff:fe64:3ebd 4000
Trying fe80::21a:a0ff:fe64:3ebd...
telnet: connect to address fe80::21a:a0ff:fe64:3ebd: Invalid argument

Yet if I use ::1 it works fine.

$ telnet ::1
4000
Trying ::1...
Connected to ::1.
Escape character is '^]'.

Anyone have any ideas? The ip6 address above is from ifconfig output
and is definately correct.

B2003
From: Pascal Hambourg on 10 Jul 2008 11:14
Hello,

thagor2008(a)googlemail.com a �crit :
>
> Anyone know why I get this with IP6? I'm running Suse 10.3.
>
> $ telnet fe80::21a:a0ff:fe64:3ebd 4000
> Trying fe80::21a:a0ff:fe64:3ebd...
> telnet: connect to address fe80::21a:a0ff:fe64:3ebd: Invalid argument
>
> Yet if I use ::1 it works fine.

A link local address (fe80::something) is not unique and may be
reachable on any directly connected link, so you need to indicate the
interface through which you want to reach that address. For instance if
it's eth0 :

$ telnet fe80::21a:a0ff:fe64:3ebd%eth0 4000
From: Pascal Hambourg on 10 Jul 2008 11:32
Pascal Hambourg a �crit :
>
> A link local address (fe80::something) is not unique and may be
> reachable on any directly connected link, so you need to indicate the
> interface through which you want to reach that address. For instance if
> it's eth0 :
>
> $ telnet fe80::21a:a0ff:fe64:3ebd%eth0 4000

Note that if the address belongs to an interface of the host running the
telnet client and thus is a local address, then the interface through
which you reach that address is the loopback interface lo, *not* the
interface on which the address is configured.
From: thagor2008 on 10 Jul 2008 12:03
On Jul 10, 4:32 pm, Pascal Hambourg <boite-a-s...(a)plouf.fr.eu.org>
wrote:
> Pascal Hambourg a écrit :
>
>
>
> > A link local address (fe80::something) is not unique and may be
> > reachable on any directly connected link, so you need to indicate the
> > interface through which you want to reach that address. For instance if
> > it's eth0 :
>
> > $ telnet fe80::21a:a0ff:fe64:3ebd%eth0 4000
>
> Note that if the address belongs to an interface of the host running the
> telnet client and thus is a local address, then the interface through
> which you reach that address is the loopback interface lo, *not* the
> interface on which the address is configured.

I'm beginning to see why people don't want to bother with IP6. There
seems to be a lot of needless complexity in many aspects of it.

Thanks for your help though , works fine now.

B2003
From: Chris Cox on 10 Jul 2008 12:47
thagor2008(a)googlemail.com wrote:
> HI
>
> Anyone know why I get this with IP6? I'm running Suse 10.3.
>
> $ telnet fe80::21a:a0ff:fe64:3ebd 4000
> Trying fe80::21a:a0ff:fe64:3ebd...
> telnet: connect to address fe80::21a:a0ff:fe64:3ebd: Invalid argument

Not sure.. but are you allowed to connect to the link local
address?? Do you have a Global address you can use instead?

Not saying that is the issue....

>
> Yet if I use ::1 it works fine.
>
> $ telnet ::1
> 4000
> Trying ::1...
> Connected to ::1.
> Escape character is '^]'.
>
> Anyone have any ideas? The ip6 address above is from ifconfig output
> and is definately correct.

But it is the link local addy.
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