From: Brian McGahan (bmcgahan@internetworkexpert.com)
Date: Fri Dec 02 2005 - 13:57:16 GMT-3
> ip prefix-list AREA_1 seq 20 permit 0.0.0.0/32
The above statement matches the host route 0.0.0.0/32, which does not
exist. Your syntax should read "ip prefix-list AREA_1 seq 20 permit
0.0.0.0/0 le 32" to be used as an explicit permit.
HTH,
Brian McGahan, CCIE #8593
bmcgahan@internetworkexpert.com
Internetwork Expert, Inc.
http://www.InternetworkExpert.com
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> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
> andervb@yahoo.dk
> Sent: Friday, December 02, 2005 10:37 AM
> To: ccielab@groupstudy.com
> Subject: ABR LSA TYPE 3 FILTER
>
> based in
>
>
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122newft
/1
> 22t/122t4/ftabrt3f.htm
>
> "With this feature enabled in the "out" direction, all type 3 LSAs
> advertised by the ABR, based on information from this area to all
other
> areas, are filtered by the prefix list. If the area range command has
been
> configured for this area, type 3 LSAs that correspond to the area
range
> are sent to all other areas, only if at least one prefix in the area
range
> matches an entry in the prefix list."
> R1 - (AREA1) - R2 -(AREA 0) -R3
>
> THIS ON R1 all in area 1
> Loopback3 20.20.8.8 YES manual up
> up
> Loopback4 20.20.9.9 YES manual up
> up
> Loopback5 20.20.10.10 YES manual up
> up
> Loopback6 20.20.11.11 YES manual up
> up
> and more networks 192.168.x.x
> i need just one net 20 on r3 area 0 receiving a summary using the
mininum
> prefix , there is another nets as 198 , but this r2 can advertise with
no
> problems
>
> Cand configure r2 as :
>
> area 1 range 20.20.8.0 255.255.252.0 ( the minimum prefix should be
.251
> to do not have 20.20.12.12)
>
> and
>
> area 1 filter-list prefix AREA_1 out
>
> ip prefix-list AREA_1 seq 10 deny 20.20.8.0/21 ge 30
> ip prefix-list AREA_1 seq 20 permit 0.0.0.0/32
>
> Does it sent all net 192.198.x.x to R3 and just 20.20.8.0 wildcard
0.0.3.0
> to cover just nets .8 , .9 , .10 and .11 ,,, not .12 too?
>
> or there's no way for this , I need to use just area range and no ABR
TYPE
> 3 LSA filtering and accept I cannot filter .12 on this summary?
> thanks
>
>
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