Did you try tcpdump -i eth1 ? Check if this command is working for you. Yuri
Yu Wan wrote, On 17/07/2008 9.34: > Hi Graeme, > > When I issue "ipconfig eth1 up", erverything is OK! > > Many thanks for your advice! > > Thank you all! > > 2008/7/11 Graeme Fowler <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>: > > Hi > > On Wed, 2008-07-09 at 23:00 +0800, Yu Wan wrote: > > I have problem on ntop v.3.3.6 (Dag Apt RPM Repository) on CentOS 5.0 > > > > I have one PC with 256M memory and 2 NIC, eth0 used for management, > > and eth1 was spaned from switch for my internet router. > > When I run with "ntop @/etc/ntop.conf", the system complain > "**ERROR** > > pcap_open_live(): 'bind: Network is down'" > > As root: "ifconfig eth1 up" > > Then start ntop as the user you want to run it as. It's fine having a > mirror port with no IP address, but it must be brought up or the kernel > will ignore every packet it receives. ntop will not bring the interface > up for you, you have to do that for ntop. > > Note that you may also have to put it into promiscuous mode, depending > on your kernel - that would be "ifconfig eth1 up promisc" > > This is a fairly basic OS function, nothing to do with ntop! > > Graeme > > Graeme > > _______________________________________________ > Ntop mailing list > [email protected] <mailto:[email protected]> > http://listgateway.unipi.it/mailman/listinfo/ntop > > > > ------------------------------------------------------------------------ > > _______________________________________________ > Ntop mailing list > [email protected] > http://listgateway.unipi.it/mailman/listinfo/ntop -- ############################################################ Yuri Francalacci E-Mail: [EMAIL PROTECTED] Internet: http://www.ntop.org/ *** Esse Quam Videri -- To Be, Rather Than To Seem *** ############################################################ _______________________________________________ Ntop mailing list [email protected] http://listgateway.unipi.it/mailman/listinfo/ntop
