[j-nsp] Hidden IPv4 iBGP routes

[Stefan Fouant]

Yes this is correct and is indeed the default Junos behavior. If you wanted to receive a looped BGP update, you can define the amount of loops allowed (.i.e. number of times your own AS appears in the AS Path attribute) by configuring the 'set routing-options autonomous system <as-num> loops <num>' command.

HTHs.

Stefan Fouant
JNCIE-SEC, JNCIE-SP, JNCIE-ER, JNCI
Technical Trainer, Juniper Networks

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Sent from my iPad

On Mar 13, 2012, at 4:10 PM, "Mohammad" <masalbad at gmail.com> wrote:

> Hi john;
> 
> 
> 
> As far as I know when an  eBGP router receives a route contains its own AS
> in the AS path it consider it as a loop, so for your case the juniper router
> is seeing its own AS (XXXX) in the route's ASPATH received from its eBGP
> neighbor (XXXXX  YYYYY I), so the solution I would suggest is to remove AS
> XXXX on the other router before sending it to the juniper router, if XXXX is
> a private AS you can use remove private on the other router; or you can use
> AS override.
> 
> Hope it is helpful;
> Mohammad Salbad
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