[AusNOG] IPv6: Where's my tunnel?

[Mattia Rossi]

Am 07.03.2013 22:17, schrieb Richard Archer:
> On 8/03/13 7:16 AM, Don Gould wrote:
>>
>> When my customer asks me why Google or what ever else has got slower 
>> recently I'm just going to tell the truth - "Sir it's because we're 
>> using $Provider as your ISP" and leave it at that.
>
> You would be better off in the first instance to find a local provider 
> who can offer native IPv6. Which:
>
Definitely agree, but:
> 1. Eliminates the need for laggy tunnels

No lag here:

mat-laptop mat # tracepath6 www.apnic.net
  1?: [LOCALHOST]                        0.010ms pmtu 1280
  1:  gw-564.zrh-02.ch.sixxs.net                           11.466ms
  1:  gw-564.zrh-02.ch.sixxs.net                           11.899ms
  2:  2001:1620:2005:4::2                                  10.001ms asymm  1
  3:  2001:1620:2005:4::1                                   9.874ms asymm  2
  4:  r1zrh2.core.init7.net                                11.569ms asymm  3
  5:  10gigabitethernet1-4.core1.zrh1.he.net               11.169ms
  6:  10gigabitethernet4-1.core1.par2.he.net               25.503ms asymm  9
  7:  10gigabitethernet6-2.core1.lon1.he.net               30.429ms asymm  6
  8:  10gigabitethernet7-4.core1.nyc4.he.net               99.711ms asymm  7
  9:  10gigabitethernet5-3.core1.lax1.he.net              174.465ms asymm  8
10:  no reply
11:  no reply
12:  2403:e800:ff00:110::f                               309.054ms asymm 14
13:  2403:e800:100:11::2                                 306.508ms asymm 12
14:  2001:8000:0:2030:101:401:0:1                        317.263ms
15:  bundle-ether5.cha-core4.brisbane.telstra.net        336.905ms asymm 14
16:  tengigabitethernet7-1.cha30.brisbane.telstra.net    326.437ms
17:  2001:8000:106::2                                    328.046ms asymm 16
18:  matrix-proxy1.apnic.net                             327.018ms reached
      Resume: pmtu 1280 hops 18 back 46

mat-laptop mat # tracepath www.apnic.net
  1:  192.168.0.10                                          0.074ms pmtu 
1500
  1:  no reply
  2:  217-168-57-37.static.cablecom.ch                     12.469ms
  3:  84.116.200.237                                      185.810ms asymm 11
  4:  nl-ams05a-rd2-xe-3-1-1.aorta.net                    193.219ms asymm 10
  5:  us-nyc01b-rd1-gi-2-0-0.aorta.net                    131.606ms
  6:  84.116.138.14                                       195.506ms asymm  7
  7:  gi5-2.sjc-core01.net.telstraglobal.net              210.562ms asymm  8
  8:  i-0-7-4-0.eqnx-core01.bi.telstraglobal.net          194.916ms asymm  9
  9:  i-0-2-0-0.sydo-core02.bx.telstraglobal.net          342.116ms asymm 10
10:  tengige0-1-0-12.oxf-gw1.sydney.telstra.net          352.882ms asymm 11
11:  bundle-ether1.ken-core4.sydney.telstra.net          342.164ms asymm 13
12:  bundle-ether5.cha-core4.brisbane.telstra.net        364.599ms asymm 14
13:  tengigabitethernet7-1.cha30.brisbane.telstra.net    353.175ms asymm 15
14:  4608resolvers.brisbane.telstra.net                  353.594ms asymm 16
15:  matrix-proxy2.apnic.net                             365.488ms reached
      Resume: pmtu 1500 hops 15 back 48

As Geoff said, the PMTU could be the problem (not in my case so far)