Just a quick post on filtering outbound OSPF advertisements. I had some struggle with this config today.
config router prefix-list
edit “filter-outbound”
config rule
edit 1
set prefix 10.10.0.0 255.255.0.0
unset ge
unset le
next
edit 2
set prefix 10.20.0.0 255.255.0.0
unset ge
unset le
next
edit 3
set action deny
set prefix any
unset ge
unset le
next
end
next
end
!
config router ospf
set router-id 1.1.1.10
config area
edit 1.1.1.1
config filter-list
edit 1
set list “filter-outbound”
set direction out
next
end
Like a said: a quick-and-dirty note