From: Tim Fletcher (tim@fletchmail.net)
Date: Tue Nov 19 2002 - 13:02:02 GMT-3
Your filter will match any AS string that begins with 21248 or 25139. As
for whether there is something wrong with it, it depends on what you are
trying to accomplish.
-tim
On Mon, 18 Nov 2002 Sadiq.Sadiq@Intelsat.com wrote:
> My as-path filter is allowing only pre-fixes originated from AS21248.
> Please tell me ^(21248|25139) is doing what. Is it allowing prefixes
> originated from
> both AS but may be my customer is advertising only originated from AS21248.
> I am wondering is there is somethin wrong with ^(21248|25139) . Is it
> blocking
> routes originated from AS25139 and then transiting through AS21248.
>
>
>
> fus-#sh ip bgp regexp ^(21248|25139)
> BGP table version is 32666723, local router ID is 80.255.39.3
> Status codes: s suppressed, d damped, h history, * valid, > best, i -
> internal
> Origin codes: i - IGP, e - EGP, ? - incomplete
>
> Network Next Hop Metric LocPrf Weight Path
> *> 62.56.192.0/22 196.28.224.225 0 0 21248 i
> *> 62.56.200.0/23 196.28.224.225 0 21248 i
> *> 196.28.224.0/20 196.28.224.225 0 21248 i
> *> 206.28.134.0/23 196.28.224.225 0 21248 i
> *> 206.28.136.0/23 196.28.224.225 0 21248 i
> *> 208.153.64.0 196.28.224.225 0 21248 i
> *> 208.153.66.0 196.28.224.225 0 21248 i
>
>
> Thanks in advance
>
> sadiq
>
>
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