> I've been into the LTE modem driver business for a while. Captures from > end users with some modem hardware/firmware specific issue have often > been the only way to fully understand a problem
why not just create a bridge and tcpdump that. That code is far lower in the kernel than the ability to put a USB device in promisc mode (and I should point out that promic isn't going to matter since Verizon isn't treating your either end of the IP interface as a switchport where you'd see L2 traffic in promisc fashion. brctl addbr bt2 brctl addif br2 usb0 ifconfig br2 up tcpdump -i bt2 (yada) Michael Holstein CISSP moholst...@gmail.com _______________________________________________ openwrt-devel mailing list openwrt-devel@lists.openwrt.org https://lists.openwrt.org/mailman/listinfo/openwrt-devel