NTAC Peering Working Group

[Steven Wallace <>]

Hans, it possible that the NLR leak was accepted by I2's international peers, 
then I2 accepted these being re-advertised by the International peers (until 
the peers were shut down as they exceeded their prefix limits)? That would 
explain how I2 may have participated in the leakage.

steven

> 
> 
>> 
>> 
>> On 1/4/13 5:41 PM, "Hans Addleman" 
>> <>
>>  wrote:
>> 
>>> Hi Bill,
>>> 
>>> Apologies for the late response.
>>> 
>>> Internet2 routers during this time dropped many of our bgp sessions with
>>> international peers that were affected by the route leakage. All of our
>>> International peerings are safeguarded by prefix limits and we saw a
>>> number of them go down as they went over this limit.
>>> 
>>> As Dale stated we do not peer directly with NLR and we do not believe
>>> that we perpetuated this leakage. However, if you or anyone does find
>>> evidence that we did please share and I will investigate further.
>>> 
>>> Currently the NOC is pulling together a list of which peers we saw drop
>>> during this outage due to prefix limit exceeded.
>>> 
>>> Our current limit for all International peers is set at 4000.
>>> 
>>> Thanks!
>>> Hans Addleman
>>> IU Global NOC Engineer
>>> 
>>> 
>>> 
>>> 
>>> 
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