Re: [tcpdump-workers] Capture packets on high-speed link using libpcap

2005-01-07 Thread Alexander Dupuy
> ... the CPUs are Intel Pentium III, and the OS is Redhat Linux 8. For the > network card, I am sorry I don't have much information. When I ran the > program, I didn't check the CPU utilization, but I tried Tcpdump, and got > the same problem. > I was wondering if this kind of configuration is eno

Re: [tcpdump-workers] Capture packets on high-speed link using libpcap

2005-01-07 Thread Zhu,Bin
Mbit/s, without fropping any packets? Bin - Original Message - From: "Rick Jones" <[EMAIL PROTECTED]> To: Sent: Thursday, January 06, 2005 9:37 PM Subject: Re: [tcpdump-workers] Capture packets on high-speed link using libpcap Zhu,Bin wrote: Hi All, I was trying to capture

Re: [tcpdump-workers] Capture packets on high-speed link using libpcap

2005-01-06 Thread Rick Jones
Zhu,Bin wrote: Hi All, I was trying to capture the packets from the Gbit link (normally 400Mbit/s), the program uses libpcap. What normally limits it to 400 Mbit/s? CPU? I/O bus? Is the disc on which the capture is stored connected to an HBA on the same bus as the GbE NIC, and what sort of b

[tcpdump-workers] Capture packets on high-speed link using libpcap

2005-01-06 Thread Zhu,Bin
Hi All, I was trying to capture the packets from the Gbit link (normally 400Mbit/s), the program uses libpcap. The problem is that I was getting lots of dropped packets (up to 25%), The machine I used a 1.4G dual-cpu machine with 1G network card, I don't know why I still got so many dropped p