Hi, I need to listen up the fatm0 interface but could not do that. Is there any reason for that? Thanks in advance. Husnu Demir. ------------------------------------------------------- Error Message: # tcpdump -i fatm0 tcpdump: BIOCSETIF: fatm0: Device not configured And settings; # ATM settings device atm options NATM # uname -a FreeBSD nrouter 6.1-PRERELEASE FreeBSD 6.1-PRERELEASE #0: Mon Mar 13 14:56:09 EET 2006 root@nrouter:/usr/obj/usr/src/sys/NOTDEFAULT i386 # ifconfig fatm0 xx.yy.zz.130 netmask 255.255.255.252 up # atmconfig natm add xx.yy.zz.129 fatm0 0 148 llc/snap ubr And syslog message for the card; Jul 6 09:57:58 nrouter fatm0: <FORE PCA200E> mem 0xf7000000-0xf71fffff irq 21 at device 0.0 on pci5 Jul 6 09:57:58 nrouter fatm0: [GIANT-LOCKED] Jul 6 09:57:58 nrouter fatm0: ESI=00:20:48:04:f8:83 serial=63619 hw=0x20001 sw=0x4010c