Li, Chanjuan wrote: > hi,all: > I am a greenhand using rtnet amd met some problem on configurating > two netword cards in one box. > I have two RTL8139 cards in one machine. I want to use thoes two cards > for real-time traffic. now I configure rtnet.conf with option
The way to configure RTnet via rtnet.conf and the startup script is unfortunately limited to one RT NIC only. You will have to set up the other manually - or by extending the existing mechanism. > "cards=1,1,0,0". but I just appoint one ipaddress. then I do: > # sbin/rtnet start > no error > #sbin/rtifconfig > only rteth0 device can be seen > # sbin/rtifconfig rteth1 up 192.168.1.200 > no error > #sbin/rtifconfig > two network cards can be seen. > rteth0: ip address 192.168.1.202 > rteth1: ip address 192.168.1.200 > > then I use this machine as master, other as slave. at slave side, I can > rtping 192.168.1.202,but when I rtping 192.168.1.200, nothing > happened,no error message no return message. > So I use tcpdump to see what's wrong.at master side, I use tcpdump to > catch packet. it is a strange thing that when I rtping 192.168.1.202 > from slave node, there is nothing captured by tcpdump. Did you set up RTcap (see related README.rtcap) and attached to the rtethX pseudo network interface under Linux? Jan
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