- Azure CDNのエンドポイントにIPv6でアクセスすると、レスポンスが返ってこない場合がある
- どのIPv6アドレスからアクセスもNGというわけではなく、OKなところとNGなところがある
- ping6は通るのでネットワーク的な到達性はある
- HTTP GETした場合、接続まではできて、リクエスト送信しても反応がない
- 個別のAzure CDN契約がアクセスできないというわけではなさそうで、Azure CDNを利用しているtenki.jpや、Office Onlineのファイルも取れない
- http://az630987.vo.msecnd.net/test.html (source: http://ipv6testuseast.blob.core.windows.net/test.html)
- http://az630988.vo.msecnd.net/test.html (source: http://ipv6testsg.blob.core.windows.net/test.html)
- http://az631260.vo.msecnd.net/test.html (source: http://ipv6testjpwest.blob.core.windows.net/test.html)
- http://az631372.vo.msecnd.net/test.html (source: http://ipv6testjpeast.blob.core.windows.net/test.html)
- http://az631772.vo.msecnd.net/test.html (source: http://ipv6testuswest.blob.core.windows.net/test.html)
- http://az632348.vo.msecnd.net/test.html (source: http://ipv6testhk.blob.core.windows.net/test.html)
上記は私のAzureサブスクリプションで作ったものですが、それ以外でも以下のコンテンツにもアクセスできません。
- http://officeimg.vo.msecnd.net/_layouts/images/general/search_button.png (Image used on office.microsoft.com)
- http://az416740.vo.msecnd.net/static-images/forecast_map/forecast_map_japan_forecast_1.jpg (Image used on tenki.jp)
- IIJ
- MoperaU
- Qit （アルテリアネットワークス）
- ConoHa VPS (GMO)
- OCN
- さくらインターネット(VPS)
- http://az630987.vo.msecnd.net/test.html
- ソースURL http://ipv6testuseast.blob.core.windows.net/test.html
- 2401:2500:102:1202:133:242:138:180
- Google等には到達性あり
$ wget -d http://az630987.vo.msecnd.net/test.html
DEBUG output created by Wget 1.13.4 on linux-gnu.
URI encoding = `UTF-8'
--2014-06-27 12:23:27-- http://az630987.vo.msecnd.net/test.html
Resolving az630987.vo.msecnd.net (az630987.vo.msecnd.net)... 2606:2800:10c:249:f81:1c8d:1178:1364, 192.229.145.200
Caching az630987.vo.msecnd.net => 2606:2800:10c:249:f81:1c8d:1178:1364 192.229.145.200
Connecting to az630987.vo.msecnd.net (az630987.vo.msecnd.net)|2606:2800:10c:249:f81:1c8d:1178:1364|:80... connected.
Created socket 3.
Releasing 0x0000000000750490 (new refcount 1).
---request begin---
GET /test.html HTTP/1.1
User-Agent: Wget/1.13.4 (linux-gnu)
Accept: */*
Host: az630987.vo.msecnd.net
Connection: Keep-Alive
---request end---
HTTP request sent, awaiting response... Read error (Connection timed out) in headers.
Closed fd 3
Retrying.
--2014-06-27 12:41:37-- (try: 2) http://az630987.vo.msecnd.net/test.html
Found az630987.vo.msecnd.net in host_name_addresses_map (0x22fa490)
Connecting to az630987.vo.msecnd.net (az630987.vo.msecnd.net)|2606:2800:10c:249:f81:1c8d:1178:1364|:80... connected.
Created socket 3.
Releasing 0x00000000022fa490 (new refcount 1).
---request begin---
GET /test.html HTTP/1.1
User-Agent: Wget/1.13.4 (linux-gnu)
Accept: */*
Host: az630987.vo.msecnd.net
Connection: Keep-Alive
---request end---
HTTP request sent, awaiting response... ^C
$ ping6 -c 5 az630987.vo.msecnd.net
PING az630987.vo.msecnd.net(2606:2800:10c:249:f81:1c8d:1178:1364) 56 data bytes
64 bytes from 2606:2800:10c:249:f81:1c8d:1178:1364: icmp_seq=1 ttl=55 time=29.4 ms
64 bytes from 2606:2800:10c:249:f81:1c8d:1178:1364: icmp_seq=2 ttl=55 time=27.2 ms
64 bytes from 2606:2800:10c:249:f81:1c8d:1178:1364: icmp_seq=3 ttl=55 time=29.3 ms
64 bytes from 2606:2800:10c:249:f81:1c8d:1178:1364: icmp_seq=4 ttl=55 time=27.8 ms
64 bytes from 2606:2800:10c:249:f81:1c8d:1178:1364: icmp_seq=5 ttl=55 time=27.2 ms
--- az630987.vo.msecnd.net ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 10152ms
rtt min/avg/max/mdev = 27.297/28.250/29.481/0.990 ms
$ traceroute6 az630987.vo.msecnd.net
traceroute to cs1.wpc.v0cdn.net (2606:2800:10c:249:f81:1c8d:1178:1364) from 2401
:2500:102:1202:133:242:138:180, 30 hops max, 24 byte packets
1 2401:2500:102:1202::1 (2401:2500:102:1202::1) 0.584 ms 0.323 ms 0.249 ms
2 iskrt101b-rt109e.bb.sakura.ad.jp (2001:e47:c000:17::1) 6.565 ms 0.345 ms 0.315 ms
3 iskrt1s-rt101b-1.bb.sakura.ad.jp (2001:e47:c000:3::1) 0.41 ms 0.588 ms 0.438 ms
4 iskrt2-rt1s.bb.sakura.ad.jp (2001:e47:c000:15::1) 0.454 ms 0.615 ms 0.4 ms
5 tkwrt3-krt2.bb.sakura.ad.jp (2001:e47:0:b::1) 19.612 ms 19.609 ms 19.543 ms
6 2001:218:2000:5000::209 (2001:218:2000:5000::209) 19.775 ms 19.674 ms 19.704 ms
7 ae-6.a20.osakjp01.jp.ra.gin.ntt.net (2001:218:2000:2000::92) 24.03 ms 26.775 ms 24.622 ms
8 ae-10.r22.osakjp02.jp.bb.gin.ntt.net (2001:218:0:6000::e9) 27.069 ms 27.091 ms 27.221 ms
9 xe-1-1-11.r22.osakjp02.jp.ce.gin.ntt.net (2001:218:3000:5000::5a) 27.128 ms 27.209 ms 27.148 ms
10 * * *
11 * * *
11 * * *
12 * * *
13 * * *
14 * * *
15 * * *
- フレッツ光ネクスト PPPoE
- Google等には到達性あり
C:\Users\hideo-m>ping -6 -n 5 az630987.vo.msecnd.net
cs1.wpc.v0cdn.net [2606:2800:10c:249:f81:1c8d:1178:1364]に ping を送信しています
32 バイトのデータ:
2606:2800:10c:249:f81:1c8d:1178:1364 からの応答: 時間 =13ms
2606:2800:10c:249:f81:1c8d:1178:1364 からの応答: 時間 =14ms
2606:2800:10c:249:f81:1c8d:1178:1364 からの応答: 時間 =12ms
2606:2800:10c:249:f81:1c8d:1178:1364 からの応答: 時間 =15ms
2606:2800:10c:249:f81:1c8d:1178:1364 からの応答: 時間 =13ms
2606:2800:10c:249:f81:1c8d:1178:1364 の ping 統計:
パケット数: 送信 = 5、受信 = 5、損失 = 0 (0% の損失)、
ラウンド トリップの概算時間 (ミリ秒):
最小 = 12ms、最大 = 15ms、平均 = 13ms
C:\Users\hideo-m>tracert -6 az630987.vo.msecnd.net
cs1.wpc.v0cdn.net [2606:2800:10c:249:f81:1c8d:1178:1364] へのルートをトレースしています
経由するホップ数は最大 30 です:
1 <1 ms <1 ms <1 ms 2400:4010:100:5801::1
2 4 ms 3 ms 3 ms 2001:380:50:1ff::3
3 2 ms 2 ms 6 ms 2001:380:50:181::1
4 7 ms 5 ms 4 ms 2001:380:50:100::1
5 3 ms 3 ms 4 ms 2001:380:8270:4::1
6 3 ms 3 ms 5 ms 2001:380:8150:f::19
7 3 ms 3 ms 3 ms 2001:380:0:2e05::2
8 11 ms 15 ms 42 ms ae-6.a21.osakjp01.jp.ra.gin.ntt.net [2001:218:2000:2000::96]
9 16 ms 17 ms 15 ms ae-11.r22.osakjp02.jp.bb.gin.ntt.net [2001:218:0:6000::f1]
10 11 ms 16 ms 11 ms xe-1-1-11.r22.osakjp02.jp.ce.gin.ntt.net [2001:218:3000:5000::5a]
11 13 ms 12 ms 12 ms 2606:2800:10c:249:f81:1c8d:1178:1364
トレースを完了しました。
- 240b:10:2a60:600:a9fb:2955:66b5:6a90
- フレッツ光ネクストマンションタイプIPoE
$ wget -d http://az630987.vo.msecnd.net/test.html
DEBUG output created by Wget 1.13.4 on linux-gnu.
URI encoding = `UTF-8'
--2014-06-27 12:24:24-- http://az630987.vo.msecnd.net/test.html
Resolving az630987.vo.msecnd.net (az630987.vo.msecnd.net)... 2606:2800:10c:249:f81:1c8d:1178:1364, 192.229.145.200
Caching az630987.vo.msecnd.net => 2606:2800:10c:249:f81:1c8d:1178:1364 192.229.145.200
Connecting to az630987.vo.msecnd.net (az630987.vo.msecnd.net)|2606:2800:10c:249:f81:1c8d:1178:1364|:80... connected.
Created socket 3.
Releasing 0x0000000000cdf3c0 (new refcount 1).
---request begin---
GET /test.html HTTP/1.1
User-Agent: Wget/1.13.4 (linux-gnu)
Accept: */*
Host: az630987.vo.msecnd.net
Connection: Keep-Alive
---request end---
HTTP request sent, awaiting response...
---response begin---
HTTP/1.1 200 OK
Accept-Ranges: bytes
Content-MD5: pJvOLYcCCVRG61kFkqLipw==
Content-Type: text/html
Date: Fri, 27 Jun 2014 03:24:25 GMT
Etag: 0x8D15E36B7524794
Last-Modified: Wed, 25 Jun 2014 02:45:53 GMT
Server: ECAcc (nrt/1A87)
X-Cache: HIT
x-ms-blob-type: BlockBlob
x-ms-lease-status: unlocked
x-ms-request-id: 48c4fe0b-f1b9-4a4a-aab3-c11bd2fb157d
x-ms-version: 2009-09-19
Content-Length: 38
---response end---
200 OK
Registered socket 3 for persistent reuse.
Length: 38 [text/html]
Saving to: `test.html'
100%[======================================>] 38 --.-K/s in 0s
2014-06-27 12:24:25 (2.29 MB/s) - `test.html' saved [38/38]
$ ping6 -c 5 az630987.vo.msecnd.net
PING az630987.vo.msecnd.net(2606:2800:10c:249:f81:1c8d:1178:1364) 56 data bytes
64 bytes from 2606:2800:10c:249:f81:1c8d:1178:1364: icmp_seq=1 ttl=56 time=2.22 ms
64 bytes from 2606:2800:10c:249:f81:1c8d:1178:1364: icmp_seq=2 ttl=56 time=2.69 ms
64 bytes from 2606:2800:10c:249:f81:1c8d:1178:1364: icmp_seq=3 ttl=56 time=2.52 ms
64 bytes from 2606:2800:10c:249:f81:1c8d:1178:1364: icmp_seq=4 ttl=56 time=2.49 ms
64 bytes from 2606:2800:10c:249:f81:1c8d:1178:1364: icmp_seq=5 ttl=56 time=2.37 ms
--- az630987.vo.msecnd.net ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4006ms
rtt min/avg/max/mdev = 2.226/2.461/2.690/0.158 ms
$ traceroute6 az630987.vo.msecnd.net
traceroute to cs1.wpc.v0cdn.net (2606:2800:10c:249:f81:1c8d:1178:1364) from 240b:10:2a60:600:a9fb:2955:66b5:6a90, 30 hops max, 24 byte packets
1 240b:10:2a60:600::fffe (240b:10:2a60:600::fffe) 1.292 ms 1.467 ms 1.837 ms
2 * * *
3 * * *
4 2404:9200:225:1::1 (2404:9200:225:1::1) 2.274 ms 2.352 ms 2.344 ms
5 6otejbb205.int-gw.kddi.ne.jp (2001:268:fb02:13e::1) 2.391 ms 10.282 ms 2.536 ms
6 6ix-ote206.int-gw.kddi.ne.jp (2001:268:fb02:9c::2) 2.281 ms 2.428 ms 2.303 ms
7 2001:de8:8::1:26:1 (2001:de8:8::1:26:1) 2.541 ms 2.526 ms 2.698 ms
8 2001:cb0:102:1:15::2 (2001:cb0:102:1:15::2) 2.578 ms 3.272 ms 2.263 ms
9 2001:cb0:105:1:13::2 (2001:cb0:105:1:13::2) 2.77 ms 2.817 ms 3.029 ms
10 2001:cb0:105:2:12::2 (2001:cb0:105:2:12::2) 2.776 ms 2.778 ms 2.859 ms
11 2606:2800:10c:249:f81:1c8d:1178:1364 (2606:2800:10c:249:f81:1c8d:1178:1364) 3.038 ms 2.804 ms 2.835 ms
# wget -d http://az630987.vo.msecnd.net/test.html
DEBUG output created by Wget 1.12 on linux-gnu.
--2014-06-27 13:11:32-- http://az630987.vo.msecnd.net/test.html
Resolving az630987.vo.msecnd.net... 2606:2800:10c:249:f81:1c8d:1178:1364, 192.229.145.200
Caching az630987.vo.msecnd.net => 2606:2800:10c:249:f81:1c8d:1178:1364 192.229.145.200
Connecting to az630987.vo.msecnd.net|2606:2800:10c:249:f81:1c8d:1178:1364|:80... connected.
Created socket 3.
Releasing 0x00000000020ef730 (new refcount 1).
---request begin---
GET /test.html HTTP/1.0
User-Agent: Wget/1.12 (linux-gnu)
Accept: */*
Host: az630987.vo.msecnd.net
Connection: Keep-Alive
---request end---
HTTP request sent, awaiting response...
---response begin---
HTTP/1.0 200 OK
Accept-Ranges: bytes
Content-MD5: pJvOLYcCCVRG61kFkqLipw==
Content-Type: text/html
Date: Fri, 27 Jun 2014 04:11:32 GMT
Etag: 0x8D15E36B7524794
Last-Modified: Wed, 25 Jun 2014 02:45:53 GMT
Server: ECAcc (nrt/1A87)
X-Cache: HIT
x-ms-blob-type: BlockBlob
x-ms-lease-status: unlocked
x-ms-request-id: 48c4fe0b-f1b9-4a4a-aab3-c11bd2fb157d
x-ms-version: 2009-09-19
Content-Length: 38
Connection: keep-alive
---response end---
200 OK
Registered socket 3 for persistent reuse.
Length: 38 [text/html]
Saving to: “test.html”
100%[======================================>] 38 --.-K/s in 0s
2014-06-27 13:11:32 (6.65 MB/s) - “test.html” saved [38/38]
# ping6 -c 5 az630987.vo.msecnd.net
PING az630987.vo.msecnd.net(2606:2800:10c:249:f81:1c8d:1178:1364) 56 data bytes
64 bytes from 2606:2800:10c:249:f81:1c8d:1178:1364: icmp_seq=1 ttl=51 time=77.6 ms
64 bytes from 2606:2800:10c:249:f81:1c8d:1178:1364: icmp_seq=2 ttl=51 time=77.4 ms
64 bytes from 2606:2800:10c:249:f81:1c8d:1178:1364: icmp_seq=3 ttl=51 time=77.5 ms
64 bytes from 2606:2800:10c:249:f81:1c8d:1178:1364: icmp_seq=4 ttl=51 time=77.4 ms
64 bytes from 2606:2800:10c:249:f81:1c8d:1178:1364: icmp_seq=5 ttl=51 time=77.4 ms
--- az630987.vo.msecnd.net ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4084ms
rtt min/avg/max/mdev = 77.441/77.522/77.685/0.316 ms
# traceroute6 az630987.vo.msecnd.net
traceroute to az630987.vo.msecnd.net (2606:2800:10c:249:f81:1c8d:1178:1364), 30 hops max, 80 byte packets
1 2400:8500:1301:813::1 (2400:8500:1301:813::1) 1.437 ms 1.267 ms 1.220 ms
2 2400:8500:1300:1007::1 (2400:8500:1300:1007::1) 1.638 ms 1.691 ms 1.546 ms
3 2400:8500:1300:1016::1 (2400:8500:1300:1016::1) 1.122 ms 1.165 ms 1.209 ms
4 2400:8500:1300:1018::1 (2400:8500:1300:1018::1) 2.264 ms 2.113 ms 1.726 ms
5 2400:8500:1000:1002::1 (2400:8500:1000:1002::1) 1.026 ms 1.025 ms 1.033 ms
6 2001:218:2000:5000::205 (2001:218:2000:5000::205) 2.053 ms 1.841 ms 1.813 ms
7 ae-12.r24.tokyjp05.jp.bb.gin.ntt.net (2001:218:0:2000::1f9) 1.474 ms ae-13.r25.tokyjp05.jp.bb.gin.ntt.net (2001:218:0:2000::1fd) 1.468 ms 1.446 ms
8 ae-2.r00.tokyjp03.jp.bb.gin.ntt.net (2001:218:0:2000::21a) 3.081 ms 2.727 ms 2.716 ms
9 xe-0-1-0-19.r00.tokyjp03.jp.ce.gin.ntt.net (2001:218:2000:5000::7a) 77.709 ms 2001:218:2000:5000::332 (2001:218:2000:5000::332) 79.728 ms xe-0-1-0-18.r00.tokyjp03.jp.ce.gin.ntt.net (2001:218:2000:5000::76) 79.036 ms
10 2606:2800:10c:249:f81:1c8d:1178:1364 (2606:2800:10c:249:f81:1c8d:1178:1364) 77.726 ms 77.743 ms 77.710 ms
# tracepath6 az630987.vo.msecnd.net
1?: [LOCALHOST] pmtu 1500
1: 2400:8500:1301:813::1 0.866ms
1: 2400:8500:1301:813::1 0.596ms
2: 2400:8500:1300:1007::1 1.231ms
3: 2400:8500:1300:1016::1 1.097ms
4: 2400:8500:1300:1018::1 1.745ms
5: 2400:8500:1000:1002::1 1.109ms
6: 2001:218:2000:5000::205 1.923ms
7: ae-12.r24.tokyjp05.jp.bb.gin.ntt.net 1.474ms
8: ae-3.r00.tokyjp03.jp.bb.gin.ntt.net 2.622ms asymm 10
9: 2001:218:2000:5000::336 79.026ms asymm 13
10: no reply
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