Ram Ramesh wrote: > Hi, > > I have a linux based firewall that seem to hang because one of its > ethernet port stops working. I suspect bad hardware, but could be a driver > issue also. So far, I have only been able to reboot to get it working. > However, I prefer to reset the port to get it working without a reboot. Is > it possible to do something with ifconfig/ifup/ethtool? Simple ifdown > followed by ifup does not fix it. > > My system is this: > > > https://www.amazon.com/Generation-Processor-Beelink-U59-Computer/dp/B0B7729Q3M/ref=sr_1_44_sspa?keywords=dual%2Bnet&qid=1661469460&s=pc&sr=1-44-spons&th=1 > > This is the lspci output on the two ethernet port. > > 02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. > RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15) > 03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. > RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)
# echo 1 > /sys/bus/pci/0000:00:03.0/remove Note that it might not be exactly 0000:00:03.0 -- check on your system first. And of course, if it is port 02, then use that value. Then # echo 1 > /sys/bus/pci/rescan Will this work? It might. Let us know. -dsr-
