[j-nsp] Cisco-style "allowas-in" OR: Inter-connecting VPNs(+default VRF) using eBGP

[Alex]

Hi there,
You may also need to use "advertise-peer-as" to get routes advertised back 
to the AS they have already traversed.
http://www.juniper.net/techpubs/software/junos/junos82/swconfig82-routing/html/bgp-config59.html#1082902
Rgds
Alex


----- Original Message ----- 
From: "Harry Reynolds" <harry at juniper.net>
To: "Phil Mayers" <p.mayers at imperial.ac.uk>; "Andrew Ramsey" 
<akramsey at juniper.net>
Cc: "juniper-nsp" <juniper-nsp at puck.nether.net>
Sent: Tuesday, May 15, 2007 5:37 PM
Subject: Re: [j-nsp] Cisco-style "allowas-in" OR: Inter-connecting 
VPNs(+default VRF) using eBGP


> As an FYI, to display hidden AS path looped routes you need to first
> enable "keep-all" (which may reset bgp sessions). Then you can use the
> "show route protocol bgp hidden" to show routes in RIB-in that, in your
> case, are hidden due to as-loop. By default such routes are flushed from
> rib-in and so are not displayed, even as hidden.
>
> HTHs
>
>
>
>> -----Original Message-----
>> From: juniper-nsp-bounces at puck.nether.net
>> [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of Phil Mayers
>> Sent: Tuesday, May 15, 2007 5:17 AM
>> To: Andrew Ramsey
>> Cc: juniper-nsp
>> Subject: Re: [j-nsp] Cisco-style "allowas-in" OR:
>> Inter-connecting VPNs (+default VRF) using eBGP
>>
>> Andrew Ramsey wrote:
>> > Can you do "show route protocol bgp hidden extensive"
>> >
>>
>> Not now, since I've de-configured it all, but I did at the
>> time. Nothing was there, so I guess routes dropped as a
>> result of the loop detection aren't retained. Annoying.
>>
>> I did check that the routes were being delivered over the BGP
>> session; they were.
>>
>> The post by Massimiliano Galizia has the answer I need:
>>
>> set routing-options autonomous-system loops N
>>
>> Thanks for the reply
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>
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