Understanding a route map

[r.gasper]

Hi All,

I have just taken over supporting a network, and have come accross a route map, that I don't really understand. The route-map is copied below. Can anyone please tell me step by step how its processed, and what the outcome is?

route-map test permit 5

 match ip address prefix-list path_one_prefer

!

route-map test permit 10

 match as-path 3

!

route-map test permit 20

 match ip address prefix-list route-filter

 set as-path prepend 65100

ip prefix-list path_one_prefer seq 5 permit 10.10.0.0/16

ip as-path access-list 3 permit _65000_

ip prefix-list route-filter seq 10 deny 172.130.1.0/28

ip prefix-list route-filter seq 15 deny 172.131.1.248/29

ip prefix-list route-filter seq 20 deny 172.200.128.0/27

The route map is applied outbound towards an ebgp peer

Many Thanks

Russ

[r.gasper]

Thanks very much for your help.  I had some spare time last night, so I took the time to set this up in GNS3, and the result were exactly as you said.

Thanks again

Russ