Hi there, I have the following config: R1750(L) ----------- R7206 ---------- R1750(R) R1750(L): Serial 0: 20.1.1.1/30 R7206: Serial 0: 20.1.1.2/30 Serial 1: some IP Tunnel 1: 10.4.1.2/30 over the serial link 1 R1750(R): Tunnel 1: 10.4.1.2/30 over the serial link 0 Serial 0: some IP At the left-hand side R1750, the routing table is: 0.0.0.0 20.1.1.2 At the R7206, the routing table is: 20.1.1.0/30 known via connected 10.4.1.0/30 known via connected At the right-hand side R1750, the routing table is: 20.1.1.0/24 known via static, directly connected, via Tunnel 0 My problem is that at the righ-hand side R1750, I am not able to ping 20.1.1.1 and vice verse. Can someone pls suggest me if there is any fault that causes the problem. Your help is really appreciated. Regards, David _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=13474&t=13474 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]