an additional info: in the first step i use the ralink RT2561T. now i tried the ralink RT2560F and i must press ifconfig sis0 up every 3 seconds and the throughput is also very bad. i think it's can also be a problem of the ralink driver.
-Thomas hi folks, my setup pc1 <-> soekris 4801 <-> soekris 4801 <-> pc2 between the soekris boxes wlan with ralink (2561) default 3.9 setup without isakmp ... pc1 ifconfig eth0 192.168.20.2 netmask 255.255.255.0 up route add default gw 192.168.20.1 eth0 box1 sysctl -w net.inet.ip.forwarding=1 ifconfig ral0 192.168.2.1 netmask 255.255.255.0 up ifconfig ral0 nwid raltest ifconfig ral0 media OFDM54 ifconfig ral0 mediaopt ibss ifconfig sis0 192.168.1.1 netmask 255.255.255.0 up route add -net 192.168.20.0/24 192.168.2.2 box2 sysctl -w net.inet.ip.forwarding=1 ifconfig ral0 192.168.2.2 netmask 255.255.255.0 up ifconfig ral0 nwid raltest ifconfig ral0 media OFDM54 ifconfig ral0 mediaopt ibss ifconfig sis0 192.168.20.1 netmask 255.255.255.0 up route add -net 192.168.1.0/24 192.168.2.1 pc2 ifconfig eth0 192.168.1.2 netmask 255.255.255.0 up route add -net 192.168.20.0 netmask 255.255.255.0 gw 192.168.1.1 eth0 all works fine, but if i copy a file with 500MB from pc2 to pc1 with scp i got a break on the communication on the sis0 on box1 after some seconds. interrupts shows before memory totals (in KB) PAGING SWAPPING Interrupts real virtual free in out in out 6734 total Active 2380 2380 105376 ops 2397 sis0 All 17384 17384 105376 pages 4108 ral0 pciide0 Proc:r d s w Csw Trp Sys Int Sof Flt forks 1 pccom0 1 2 10 6735 5 fkppw 100 clock fksvm 128 rtc 0.0% Sys 0.0% User 0.0% Nice 34.1% Idle pwait | | | | | | | | | | | relck rlkok noram Namei Sys-cache Proc-cache No-cache ndcpy Calls hits % hits % miss % fltcp zfod cow Disks wd0 128 fmin seeks 170 ftarg xfers itarg Kbyte 32 wired sec pdfre if i do a ifconfig sis0 up it works again. i've no message in dmesg. strange: without ralink it works. any idea ? Thanks Thomas