Announcing Aggregate:Cisco IOS

• Configuration Example

router bgp 100

network 221.10.0.0 mask 255.255.224.0

neighbor 222.222.10.1 remote-as 101

neighbor 222.222.10.1 prefix-list out-filter out

!

ip route 221.10.0.0 255.255.224.0 null0

!

ip prefix-list out-filter permit 221.10.0.0/19

ip prefix-list out-filter deny 0.0.0.0/0 le 32

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