HI Joseba,
I have mostly seen the IP Fast Switching on the same interface in the disabled mode by default, and you have forcefully enabled it. Try to disable it and see the results. HTH Vikram -----Original Message----- From: Joseba Izaga [mailto:[EMAIL PROTECTED] Sent: Saturday, July 19, 2003 6:26 AM To: [EMAIL PROTECTED] Subject: Error on an interface FastEthernet of a router 3745 [7:72610] Hi, Do you now the reason of the folowing message: 11:31:40: %GT96K_FEWAN-5-UNDERFLOW: Transmit underflow on int FastEthernet0/0 11:31:40: %GT96K_FEWAN-5-UNDERFLOW: Transmit underflow on int FastEthernet0/0 This is configuration I have on the interface interface FastEthernet0/0 ip address 63.80.132.16 255.255.255.0 ip route-cache same-interface ip policy route-map mail speed 100 full-duplex Regards, Joseba Izaga Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=73000&t=73000 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]