Hi, folks Is there anybody use IOS 12.0(7)S version? We got PA-2T3+ card for Cisco 7507, and upgraded its software from 11.2P to 12.0(7)S. After that, suddenly routing didn't work. We use BGP for external connection and OSPF for internal connection. But traffic from OSPF didn't go to outer Internet at all. Is there any factors that I need to adjust? We tried to traceroute from internal network to Cisco 7507, and it was fine. When we tried to traceroute from Cisco 7507 to outer Internet, it was fine. But when we tried to traceroute from internnal network to outer Internet, there was timeout at Cisco 7507. When I use "sh ip route", it looks fine. I don't know why. Please let me know the reason or solution. Thanks in advance. Hyun ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Hyunseog Ryu Network Engineer/Applications Engineering Norlight Telecommunications, Inc. 275 North Corporate Drive Brookfield, WI 53045-5818 Tel. +1.262.792.7965 Fax. +1.262.792.7733