Tata (AS6453) problems in Dallas

[Jon Harald Bøvre]

Hi

Try these
IPNOC (Tata Communications - AS6453) [IPNOC at tatacommunications.com] 
<https://mail.hafslund.no/owa/?ae=Item&t=IPM.Note&a=New&to=IPNOC%40tatacommunications.com&nm=IPNOC+%28Tata+Communications+-+AS6453%29>;
Tata Communications IP Service Desk( AS-6453) 
[IPServiceDesk at tatacommunications.com] 
<https://mail.hafslund.no/owa/?ae=Item&t=IPM.Note&a=New&to=IPServiceDesk%40tatacommunications.com&nm=Tata+Communications+IP+Service+Desk%28+AS-6453%29>

I also sent some more information off-list

Jon Harald Bøvre

On 06.03.2011 17:19, Tore Anderson wrote:
> Hi,
>
> Tata appears to be blackholing traffic at their Equinix Dallas PoP,
> see below. It's been six hours since I notified them using the
> e-mail address found in whois, still no reply and the problem is
> still there. Is IPv6 only a «best effort» service for them?
>
> Is there anyone on this list who has contacts in Tata, or who is
> their customer, and is able to help out get this issue looked at?
>
> This issue affects users of the gogonet6 tunnel service, at least.
>
> Tore
>
> -------- Opprinnelig melding --------
> Emne: IPv6 problems in Equinix Dallas
> Dato: Sun, 06 Mar 2011 11:09:02 +0100
> Fra: Tore Anderson<tore.anderson at redpill-linpro.com>
> Organisasjon: Redpill Linpro AS
> Til: ipcustomer.service at tatacommunications.com
>
> Good morning,
>
> It appears to be problems with your IPv6 connectivity to multiple
> destinations out of your Equinix Dallas PoP. It affects traffic to
> Global Crossing and Cogent, perhaps others too. Your «icore1» router
> is generating ICMP Unreachables, it seems. Could you please look
> into this as soon as possible?
>
> > From your looking glass:
>
> 1) www.heise.de (via Global Crossing):
> ======================================
>
> Router: gin-dtx-core1
> Site: US, Dallas - DTX - EQUINIX
> Command: show bgp ipv6 unicast 2a02:2e0::/32
>
>
> BGP routing table entry for 2A02:2E0::/32
> Bestpath Modifiers: deterministic-med
> Paths: (16 available, best #11, table Global-IPv6-Table)
> Multipath: eBGP
>       8
> [...]
>    3549 12306
>      c.6.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.d.0.0.a.5.0.1.0.0.2.ip6.arpa domain name pointer core2.DTX-Dallas.ipv6.
> dtx-core2.ipv6. (metric 7) from c.6.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.d.0.0.a.5.0.1.0.0.2.ip6.arpa domain name pointer core2.DTX-Dallas.ipv6.
> dtx-core2.ipv6. (66.110.0.94)
>        Origin IGP, valid, internal, best
>        Community: Peer route North America Central South Dallas Equinix (DTX)
>
> -------
>
> Router: gin-dtx-core1
> Site: US, Dallas - DTX - EQUINIX
> Command: traceroute ipv6 www.heise.de
>
>
> Tracing the route to www.heise.de (2A02:2E0:3FE:100::7)
>
>    1 Vlan40.icore1.DTX-Dallas.ipv6.as6453.net (2001:5A0:2E00:500::5) 4 msec 4 msec 0 msec
>    2 Vlan40.icore1.DTX-Dallas.ipv6.as6453.net (2001:5A0:2E00:500::5) !U  !U  !U
>
> 2) cogentco.com
> ===============
>
>
> Router: gin-mtt-mcore3
> Site: CA, Montreal - MTT, TATA COMM. INT. CENTER
> Command: show bgp ipv6 unicast 2001:550::/32
>
>
> BGP routing table entry for 2001:550::/32
> Bestpath Modifiers: deterministic-med
> Paths: (3 available, best #3, table Global-IPv6-Table)
> [...]
>    174
>      b.6.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.d.0.0.a.5.0.1.0.0.2.ip6.arpa domain name pointer core1.DTX-Dallas.ipv6.
> dtx-core1.ipv6. (metric 106) from 4.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.d.0.0.a.5.0.1.0.0.2.ip6.arpa domain name pointer mcore3.NJY-Newark.ipv6.
> njy-mcore3.ipv6. (66.110.0.82)
>        Origin IGP, valid, internal, best
>        Community: Peer route North America Central South Dallas Equinix (DTX)
>        Originator: dtx-core1.
>
> -------
>
> Router: gin-mtt-mcore3
> Site: CA, Montreal - MTT, TATA COMM. INT. CENTER
> Command: traceroute ipv6 cogentco.com
>
>
> Tracing the route to cogentco.com (2001:550:1::CC01)
>
>    1 if-13-0-0.851.mcore3.TTT-Scarborough.ipv6.as6453.net (2001:5A0:300:100::E) 8 msec 12 msec 8 msec
>    2 if-7-1-0.831.core1.CT8-Chicago.ipv6.as6453.net (2001:5A0:1100::12) 144 msec 216 msec 208 msec
>    3 if-5-0-0.1167.core2.DTX-Dallas.ipv6.as6453.net (2001:5A0:1100:100::4E) 108 msec 52 msec 52 msec
>    4 Vlan6.icore2.DTX-Dallas.ipv6.as6453.net (2001:5A0:2E00:500::D) 52 msec 52 msec 52 msec
>    5 Vlan1714.icore1.DTX-Dallas.ipv6.as6453.net (2001:5A0:2E00::6) 56 msec 52 msec 52 msec
>    6 Vlan1714.icore1.DTX-Dallas.ipv6.as6453.net (2001:5A0:2E00::6) !U  !U  !U
>
> Thanks in advance,

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