Dear All, I can't do the summary address from below configuration. Do I use a wrong supernet? router bgp 1 no synchronization network 1.1.0.0 network 2.1.0.0 network 3.1.0.0 network 4.1.0.0 network 5.1.0.0 aggregate-address 0.0.0.0 248.0.0.0 summary-only neighbor 192.168.80.1 remote-as 2 no auto-summary The above code doesn't generate aggregation to the peer router. Any idea? TIA Fanglo Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=5744&t=5744 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]