cciefun ccie/sp fortiOS linux tcl/tk avalanche/reflector canada immi, visit

Some useful link
http://ieoc.com/forums/

vol_I_lab_13_RouteReflection


router bgp 100
neighbor 150.1.1.1 remote-as 100
neighbor 150.1.1.1 update-source Loopback0
neighbor 150.1.3.3 remote-as 100
neighbor 150.1.3.3 update-source Loopback0
neighbor 150.1.4.4 remote-as 100
neighbor 150.1.4.4 update-source Loopback0
neighbor 150.1.6.6 remote-as 100
neighbor 150.1.6.6 update-source Loopback0
!
address-family ipv4 ===>???Why
neighbor 150.1.1.1 activate
no neighbor 150.1.3.3 activate
no neighbor 150.1.4.4 activate
no neighbor 150.1.6.6 activate
exit-address-family
!
address-family vpnv4
neighbor 150.1.3.3 activate
neighbor 150.1.3.3 send-community extended ==> why not both which is for the =====>other lab
neighbor 150.1.3.3 route-reflector-client
neighbor 150.1.4.4 activate
neighbor 150.1.4.4 send-community extended
neighbor 150.1.4.4 route-reflector-client
neighbor 150.1.6.6 activate
neighbor 150.1.6.6 send-community extended
neighbor 150.1.6.6 route-reflector-client
exit-address-family