OSPF LSA type 3 filtering

Hi Experts,

Can somebody help me to get my head around this, I've been labbing ospf
type 3 filtering, Main method use for this is filter-list command. Which we
can use to filter route based on the direction (in /out)

Then there is area range command with not-advertise switch we can use to do
limited filtering on ABR. When I tested this it only works when I filter
LSA type 3 from non backbone area to a backbone area.

Can somebody help me to explain what is the exact usage of this command in
term of filtering in OSPF. There is nothing much in the doc CD

*
*
*area area-id filter-list prefix prefix-list-name {in | out}
area* area-id *range* ipv6-prefix /prefix-length [*advertise* | *
not-advertise*] [*cost* cost]

Cheers
Sara

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Received on Wed Jan 02 2013 - 16:16:12 ART