3ffe:2a00::/24 routing loop?

[Trond Skjesol]

During this period we had some routing problems with the routing into US, the 
problem was somewhere at Teleglobe. I guess thats why the 6bone routing also 
failed.

 -Trond


staff@nordu.net said:
> Ticket Number : NORDUnet/19990713-00   Ticket Status   : OPEN, UPDATED
> Ticket Type   : Unscheduled            Ticket Source   : KTHNOC
> Site/Line     : Most US sites unreachable
> Ticket Scope  : Routing                Ticket Priority : Normal
> Ticket Owner  : KTHNOC                 Ticket Issuer   : nnc@sunet.se
> Problem Fixer : N/A                    Time to Fix     : N/A                 
> Ticket Opened : 19990713 19:13 UTC     Problem Starts  : 19990713 17:20 UTC ?
>        Closed :                                 Ended  : 19990713 20:20 UTC ?

> Problem Description:

> 	Loss of routing to most US.

> Affected:

> 	All NORDUNet traffic to/from US

> Action:

> 	Contated Teleglobe (by fax!)

> Fix:

> 	Teleglobe (Mia) confirmed reception of fax at 19.20,
> 	handing the case to techn. staff.
> 	 	-----
> 	990713 20:50  Update by nnc@sunet.se
> 	  At 20:35 (UTC) Teleglobe called and told allocation
> 	  of Ticken-# 81844. Problem escalated to 1:st level
> 	  support for investignation.
>  	  GÅ told them that the problem is currently not there.
> 	  (since some 10-15 min.) They will continue to
> 	  investignate, and inform by E-Mail.




> Now the loop is:
> 
> tracert6 -d 3ffe:dfe:fffe::9
> 
> Tracing route to 3ffe:dfe:fffe::9
> over a maximum of 30 hops:
> 
>   1     1 ms    <1 ms     1 ms  3ffe:2a00:100:7031::1
>   2     3 ms     3 ms     3 ms  3ffe:2a00:100:7ffd::1
>   3    20 ms    19 ms    23 ms  3ffe:200:1:b::1
>   4    82 ms    69 ms    69 ms  3ffe:1d00:2:4::1
>   5    75 ms    68 ms     *     3ffe:200:1:2::2
>   6   105 ms   226 ms   163 ms  3ffe:1d00:2:4::1
>   7   199 ms   112 ms   122 ms  3ffe:200:1:2::2
>   8   167 ms   157 ms   188 ms  3ffe:1d00:2:4::1
>   9   171 ms   187 ms   196 ms  3ffe:200:1:2::2
>  10  ^C
> 
> >  -----Original Message-----
> > From: 	Richard Draves  
> > Sent:	Tuesday, July 13, 1999 8:33 AM
> > To:	'jane@ifi.uio.no'
> > Cc:	'6bone'
> > Subject:	3ffe:2a00::/24 routing loop?
> > 
> > It looks like there's a routing loop in the 3ffe:2a00::/24 
> > pTLA... see below.
> > I'm running in the IETF terminal room.
> > 
> > Thanks,
> > Rich
> > 
> > tracert6 -d 3ffe:dfe:fffe::9
> > 
> > Tracing route to 3ffe:dfe:fffe::9
> > over a maximum of 30 hops:
> > 
> >   1     1 ms    <1 ms    <1 ms  3ffe:2a00:100:7031::1
> >   2     3 ms     3 ms     3 ms  3ffe:2a00:100:7ffd::1
> >   3   177 ms   177 ms   182 ms  3ffe:2a00:100:7ffc::2
> >   4   183 ms   182 ms   181 ms  3ffe:2a00:100:7ffd::1
> >   5   356 ms   355 ms   349 ms  3ffe:2a00:100:7ffc::2
> >   6   358 ms   349 ms   355 ms  3ffe:2a00:100:7ffd::1
> >   7   542 ms   544 ms  ^C