[j-nsp] About ISIS export policy behavior

Pyxis LX pyxislx at gmail.com
Fri Feb 5 10:35:07 EST 2016


Hi, Adam.

Thanks for the clarification.

This is really confusing.

-PLX

On 2/1/16, Adam Vitkovsky <Adam.Vitkovsky at gamma.co.uk> wrote:
>> Pyxis LX
>> Sent: Sunday, January 31, 2016 8:17 AM
>>
>> Hi, All.
>>
>> I'm a little confused by the default ISIS export behavior in JUNOS.
>>
>> According to this:
>> https://www.juniper.net/documentation/en_US/junos14.1/topics/concept/
>> policy-routing-policies-actions-defaults.html
>>
>> ISIS/OSPF default export policy should "reject everything", which means
>> it
>> should be equivalent to a policy like this:
>>
>> policy-statement reject-all {
>>     then reject;
>> }
>>
>> However when I apply this export policy to protocol isis, all non-iso
>> routes,
>> including lo0's inet/inet6 addresses are not advertised in LSP anymore.
>>
>> Shouldn't these routes be advertised by flooding? Or did I miss
>> something?
>>
> Yeah, very confusing indeed, "Junos Logic" TM.
>
> adam
>
>
>
>         Adam Vitkovsky
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