Re: IPv6 læser eller skaber den problemer

From: Henrik Lund Kramshøj (none@hlk--kramse.dk.lh.bsd-dk.dk)
Date: Tue 22 Jan 2002 - 00:02:28 CET


Date: Tue, 22 Jan 2002 00:02:28 +0100
From: Henrik Lund Kramshøj <none@hlk--kramse.dk.lh.bsd-dk.dk>
To: bsd-dk@bsd-dk.dk
Subject: Re: IPv6 læser eller skaber den problemer

On Mon, 21 Jan 2002 23:42:00 +0100
"Jesper Skriver" <none@jesper--skriver.dk.lh.bsd-dk.dk> wrote:
*snip - en masse *
> > >
> > > Din Tunnel er ikke aktiv.
> >
> > heh - jeg var nok lidt for restriktiv i min IPF conf. Chrille har
> > været på den tidligere, og den skulle være OK igen - håber jeg. *snip
> > ipv6 tools ping osv.*
>
> jesper@freesbee% telnet 2001:6c8:7::14 80
> Trying 2001:6c8:7::14...
>
> ^C
> jesper@freesbee% ping6 2001:6c8:7::14
> PING6(56=40+8+8 bytes) 2001:6c8:0:1::2 --> 2001:6c8:7::14
> ^C
> --- 2001:6c8:7::14 ping6 statistics ---
> 5 packets transmitted, 0 packets received, 100% packet loss
>
> hmm ...
>
> /Jesper
>
> --
> Jesper Skriver, jesper(at)skriver(dot)dk - CCIE #5456
> Work: Network manager @ AS3292 (Tele Danmark DataNetworks)
> Private: FreeBSD committer @ AS2109 (A much smaller network ;-)
>
> One Unix to rule them all, One Resolver to find them,
> One IP to bring them all and in the zone to bind them.
[root@netty root]# ping6 -c 5 www.netbsd.org
PING6(56=40+8+8 bytes) 2001:6c8:7::14 --> 3ffe:8050:201:1860:290:27ff:feab:19a7
16 bytes from 3ffe:8050:201:1860:290:27ff:feab:19a7, icmp_seq=0 hlim=58 time=221.357 ms
16 bytes from 3ffe:8050:201:1860:290:27ff:feab:19a7, icmp_seq=1 hlim=58 time=220.184 ms
16 bytes from 3ffe:8050:201:1860:290:27ff:feab:19a7, icmp_seq=2 hlim=58 time=220.182 ms
16 bytes from 3ffe:8050:201:1860:290:27ff:feab:19a7, icmp_seq=3 hlim=58 time=220.606 ms
16 bytes from 3ffe:8050:201:1860:290:27ff:feab:19a7, icmp_seq=4 hlim=58 time=222.063 ms

--- www.netbsd.org ping6 statistics ---
5 packets transmitted, 5 packets received, 0% packet loss
round-trip min/avg/max/std-dev = 220.182/220.878/222.063/0.731 ms
[root@netty root]# ping -c 5 www.netbsd.org
PING www.netbsd.org (204.152.186.171): 56 data bytes
64 bytes from 204.152.186.171: icmp_seq=0 ttl=246 time=210.758 ms
64 bytes from 204.152.186.171: icmp_seq=1 ttl=246 time=208.559 ms
64 bytes from 204.152.186.171: icmp_seq=2 ttl=246 time=205.454 ms
64 bytes from 204.152.186.171: icmp_seq=3 ttl=246 time=205.548 ms
64 bytes from 204.152.186.171: icmp_seq=4 ttl=246 time=206.024 ms

----www.netbsd.org PING Statistics----
5 packets transmitted, 5 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 205.454/207.269/210.758/2.326 ms
[root@netty root]# ifconfig ep0
ep0: flags=8863<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        address: 00:60:08:92:18:5d
        media: Ethernet 10baseT
        inet min.interne.adresse.14 netmask 0xffffff00 broadcast 10.0.0.255
        inet6 fe80::260:8ff:fe92:185d%ep0 prefixlen 64 scopeid 0x12
        inet6 2001:6c8:7::14 prefixlen 48
[root@netty root]# netstat -an | grep tcp6
tcp6 0 0 *.80 *.* LISTEN

Så jeg kan altså nå NetBSD.org både på IPv4 og IPv6, mit netkort har adressen
2001:6c8:7::14 og jeg lytter på port 80 - hvad mere skal der til ??
- læg forøvrigt mærke til at gennemsnitstiden for ping svar er henholdsvis
220.182/220.878/222.063/0.731 ms og
205.454/207.269/210.758/2.326 ms - ikke den store forskel

Det kunne være jeg skulle konfigurere min gamle tunnel og
prøve den vej :)

-- 
Med venlig hilsen / Best Regards
Henrik Lund Kramshøj, hlk@{sikkerhedsforum|kramse}.dk, lund@diku.dk
"The only secure Microsoft software is what's still
shrink-wrapped in their warehouse..." (Forno)



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