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Re: [71attendees] IPv6 on a Mac

Marshall Eubanks <tme@multicasttech.com> Mon, 10 March 2008 18:23 UTC

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From: Marshall Eubanks <tme@multicasttech.com>
Date: Mon, 10 Mar 2008 14:19:03 -0400
To: Iljitsch van Beijnum <iljitsch@muada.com>
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Subject: Re: [71attendees] IPv6 on a Mac
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On Mar 10, 2008, at 2:03 PM, Iljitsch van Beijnum wrote:

> On 10 mrt 2008, at 13:59, Rohan Mahy wrote:
>
>> This seems more fundamental.  The router address is coming up
>> fe80:<something> instead of 2001:df8:<something>. Is this expected
>> behavior?
>
> Yes, this is normal.
>
>> I cannot ping the v6 nameserver addresses.  I am assuming
>> that either Mac OS X isn't finding the correct router address, the
>> router isn't advertising it, or the router address is ok but the
>> router is not forwarding.  Does anyone have the IPv6 router address
>> so we can try configuring and/or pinging the router's ipv6 address
>> manually?
>
> Can you ping6 my machine at 2001:df8::16:21b:63ff:fe02:3c13 (not on
> v6only, on the regular WLAN)?

I can (from my Mac) on either WLAN

 > From ietf-a
[68-247-78-229:~] tme% ping6 2001:df8::16:21b:63ff:fe02:3c13
PING6(56=40+8+8 bytes) 2001:df8::112:219:e3ff:fe02:56e2 -->  
2001:df8::16:21b:63ff:fe02:3c13
16 bytes from 2001:df8::16:21b:63ff:fe02:3c13, icmp_seq=0 hlim=63  
time=3.54 ms
16 bytes from 2001:df8::16:21b:63ff:fe02:3c13, icmp_seq=1 hlim=63  
time=1.834 ms
^C
--- 2001:df8::16:21b:63ff:fe02:3c13 ping6 statistics ---
2 packets transmitted, 2 packets received, 0% packet loss
round-trip min/avg/max = 1.834/2.687/3.540 ms

 > From ietf-v6only
[68-247-78-229:~] tme% ping6 2001:df8::16:21b:63ff:fe02:3c13
PING6(56=40+8+8 bytes) 2001:df8::80:219:e3ff:fe02:56e2 -->  
2001:df8::16:21b:63ff:fe02:3c13
16 bytes from 2001:df8::16:21b:63ff:fe02:3c13, icmp_seq=0 hlim=63  
time=127.548 ms
16 bytes from 2001:df8::16:21b:63ff:fe02:3c13, icmp_seq=1 hlim=63  
time=1.65 ms
^C
--- 2001:df8::16:21b:63ff:fe02:3c13 ping6 statistics ---
2 packets transmitted, 2 packets received, 0% packet loss
round-trip min/avg/max = 1.650/64.599/127.548 ms

[68-247-78-229:~] tme%

Note that the first v6only ping has a large RTT. That seems to be  
repeatable, at least
the first time I ping it on a session.

[68-247-78-229:~] tme% ping6 2001:df8::16:21b:63ff:fe02:3c13
PING6(56=40+8+8 bytes) 2001:df8::112:219:e3ff:fe02:56e2 -->  
2001:df8::16:21b:63ff:fe02:3c13
16 bytes from 2001:df8::16:21b:63ff:fe02:3c13, icmp_seq=0 hlim=63  
time=39.24 ms
16 bytes from 2001:df8::16:21b:63ff:fe02:3c13, icmp_seq=1 hlim=63  
time=7.687 ms
16 bytes from 2001:df8::16:21b:63ff:fe02:3c13, icmp_seq=2 hlim=63  
time=1.851 ms
^C

Regards
Marshall

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