[c-nsp] as-path access lists

[Justin M. Streiner]

On Wed, 17 Nov 2004, Alex Foster wrote:

> I have now put in place an as-path access lists - but am finding Im only
> getting 600 or so prefixes - is there any way to open this out - Im
> really not sure how to proceed from here so If you have 5 mins Id
> appreciate your help.
>
> This is what I have configured so far
>
> ip as-path access-list 10 permit ^3356$  ---- this is Level3 AS number
>
> route-map Level3 permit 20
> match as-path 10
>
> And this is what I get
>
> Neighbor    V    AS MsgRcvd MsgSent   TblVer  InQ OutQ Up/Down
> State/PfxRcd
> x.x.x.x     4  3356  651626   44838     8173    0    0 00:08:32      612

That AS path regex tells your router to only accept prefixes that have one 
and only one occurrence of 3356 in the AS path, and that's it.  I don't 
know exactly how many prefixes level 3 is originating, but 612 sounds 
pretty accurate.

How do you want to open it up?

jms