www.ipv6.bt.com -- DTAG, question to the routing experts

Frank Bulk frnkblk at iname.com
Sun Jan 4 05:18:31 CET 2015


FYI, HTTPv6 access to www.bt.com was down for me from 3:46 to 4:51 pm U.S. Central today.  While that FQDN resolves to 2a00:2381:ffff::1 for me, it's possible our issues were related.

I will now start monitoring www.ipv6.bt.com, too.

Frank

-----Original Message-----
From: ipv6-ops-bounces+frnkblk=iname.com at lists.cluenet.de [mailto:ipv6-ops-bounces+frnkblk=iname.com at lists.cluenet.de] On Behalf Of Thomas Schäfer
Sent: Saturday, January 03, 2015 4:44 PM
To: IPv6 Ops list
Subject: www.ipv6.bt.com -- DTAG, question to the routing experts

Hi,

I can't reach www.ipv6.bt.com from DTAG 
(2003:63:242d:2c00:beae:c5ff:feb5:2088 and 
2a01:598:ffff:815b:da31:a7bc:667e:1438)

from here: 
http://ipv6-test.com/validate.php

it works also from DFN/LRZ.

If I look here http://lg.he.net/ I see /32 networks.

Is it the /32-/48-filter-problem again, or is it something different?


ping6 www.ipv6.bt.com
PING www.ipv6.bt.com(2a00:1a48:10a1::538a:9648) 56 data bytes
>From 2003:0:1803:8268::2 icmp_seq=6 Destination unreachable: No route
^C
--- www.ipv6.bt.com ping statistics ---
8 packets transmitted, 0 received, +1 errors, 100% packet loss, time 7000ms


/usr/sbin/traceroute6 www.ipv6.bt.com
traceroute to www.ipv6.bt.com (2a00:1a48:10a1::538a:9648), 30 hops max, 80 
byte packets
 1  fritz.box (2003:63:242d:2c00:2665:11ff:fe8f:181f)  0.684 ms  1.037 ms  
1.018 ms
 2  * * *
 3  * * *
 4  * * *
 5  * * *
 6  * * *
 7  * 2003:0:1803:8268::2 (2003:0:1803:8268::2)  29.451 ms !N *

Regards,
Thomas







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