Receiving Prefixes from upstream peers
 
 
- Downstream Router Configuration
	 network 221.10.0.0 mask 255.255.224.0 
	 neighbor 221.5.7.1 remote-as 101
	 neighbor 221.5.7.1 prefix-list infilt in
	 neighbor 221.5.7.1 prefix-list outfilt out
	ip prefix-list infilt permit 0.0.0.0/0
	ip prefix-list infilt deny 0.0.0.0/0 le 32
	ip prefix-list outfilt permit 221.10.0.0/19
	ip prefix-list outfilt deny 0.0.0.0/0 le 32