Re: Facebook doesn't have a route to my ISP's (Cogeco) IPv6 space?

[Matthew Kaufman <matthew () matthew at>]

In other words, they’re on The Internet and you (and your transit provider)
are not.
On Thu, Dec 20, 2018 at 10:40 AM David Hubbard <
dhubbard () dino hostasaurus com> wrote:

> Google and HE don't have IPv6 connectivity with Cogent because Cogent's
> CEO has been in some decades long pissing match with them about free
> settlement free peering.  That's the unfortunate reality of the situation;
> nothing you can do other than have another route to HE/Google IPv6
> targets.  We have some Cogent circuits that are effectively useless for
> IPv6 as our customer base has heavy traffic to/from Google cloud services,
> so they can't be used for a backup / DR scenario; their only real value is
> an optimal route to other Cogent customers.  I'm slowly replacing our
> Cogent circuits when feasible because the reality is our customers reaching
> Google over IPv6 via all our upstreams is more valuable than Cogent's cost
> savings.
>
>
>
> On 12/20/18, 12:37 PM, "NANOG on behalf of Brian J. Murrell" <
> nanog-bounces () nanog org on behalf of brian () interlinx bc ca> wrote:
>
>     I've been trying to figure out why I can reach an IPv6 address at
>     Facebook (2a03:2880:f012:3:face:b00c:0:1) through (only) one of my two
>     Internet connections as well as via an HE IPv6 tunnel but not the other
>     of my two ISP connections
>
>     At one point in time a traceroute was dying inside of he.net:
>
>      Host                                      Loss%   Snt   Last   Avg
> Best  Wrst StDev
>      1. 2001:1970:5261:d600::1                  0.0%     7    2.1   1.3
>  0.7   2.9   0.8
>      2. 2001:1970:4000:82::1                    0.0%     7   10.0  14.0
>  8.3  37.9  10.6
>      3. 2001:1970:0:1a6::1                     16.7%     7   13.2 215.5
> 10.8 1031. 455.9
>      4. he.ip6.torontointernetxchange.net       0.0%     7   12.3  12.9
> 11.2  15.3   1.6
>      5. 100ge9-2.core2.chi1.he.net              0.0%     7   23.6  23.0
> 21.3  27.6   2.2
>      6. 100ge15-2.core1.chi1.he.net             0.0%     7   21.7  22.5
> 21.6  24.9   1.2
>      7. 100ge12-1.core1.atl1.he.net             0.0%     7   34.2  35.1
> 34.1  36.1   0.7
>      8. 100ge5-1.core1.tpa1.he.net              0.0%     7   49.1  46.6
> 44.8  49.1   1.5
>      9. 100ge12-1.core1.mia1.he.net             0.0%     7   51.6  54.5
> 50.5  73.3   8.3
>     10. ???
>
>     But I think it getting that far time was an anomaly and frankly it
>     usually dies even before exiting my ISP's (Cogeco) network like this:
>
>      Host                                       Loss%   Snt   Last   Avg
> Best  Wrst StDev
>      1. 2001:1970:5261:d600::1                   0.0%    33    0.6   0.7
>  0.6   1.0   0.1
>      2. 2001:1970:4000:82::1                     0.0%    33    8.2  10.8
>  8.1  40.5   5.6
>      3. 2001:1970:0:1a7::1                      15.2%    33   23.4  20.1
> 16.5  23.4   1.5
>      4. 2001:1970:0:61::1                       33.3%    33   16.8  17.6
> 14.5  25.9   2.5
>      5. 2001:1978:1300::1                        0.0%    33   16.0  17.5
> 14.2  29.6   3.1
>      6. 2001:1978:203::45                        0.0%    33   30.7  30.7
> 28.4  35.1   1.7
>      7. ???
>
>     When I asked the kind folks at he.net for some advice about the
> problem
>     (i.e. in the first traceroute above) their diagnosis was that
>     Facebook's IPv6 router(s) likely didn't have a route back to my Cogeco
>     IPv6 address.
>
>     Trying to talk to my ISP (again, Cogeco) has been impossible.  One
>     simply cannot reach the people who know more than how to reset your
>     router and configure your e-mail.
>
>     I wonder how I could go any further with this to confirm the diagnosis
>     that Facebook doesn't have a route to the Cogeco network's IPv6 address
>     space given that I only have access to my end of the path.
>
>     Cheers,
>     b.