Thanks very much for the useful answers. Much obliged Harry On Mon, Mar 29, 2021 at 5:25 AM Paul Slootman via rsync < rsync@lists.samba.org> wrote:
> On Fri 26 Mar 2021, Harry Mangalam via rsync wrote: > > > > I'm trying to improve a parallel rsync wrapper called parsyncfp (pfp) in > > response to a user request. He wants rsync to emit data on multiple > > interfaces (one interface per rsync instance). From the man page it seems > > like the '--address' option would do that and in fact using it as such > does > > not result in an error, but it also does not result in both interfaces > > being used, either from pfp or when launched directly from different > shells. > > > > My route (working from home) shows the 2 wlan interfaces up with > > different IP #s: > > wlp3s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 > > inet 192.168.1.223 netmask 255.255.255.0 broadcast 192.168.1.255 > > ... > > > > wlx9cefd5fb0bb5: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 > > inet 192.168.1.186 netmask 255.255.255.0 broadcast 192.168.1.255 > > As both interfaces are on the same network, the kernel will use one > interface to transmit data to that network. > > > and route shows: > > $ route > > > > Kernel IP routing table > > Destination Gateway Genmask Flags Metric Ref Use > > Iface > > default router.asus.com 0.0.0.0 UG 601 0 0 > > wlx9cefd5fb0bb5 > > default router.asus.com 0.0.0.0 UG 602 0 0 > > Here you see wlx9cefd5fb0bb5 has a lower metric, hence it will > preferentially be used. > > You need to dive deeper into linux policy based routing, to force > traffic e.g. from a particular IP address out over a certain interface. > > This is totally outside the scope of rsync; there's nothing rsync can do > to influence this. You need the 'ip rule' and 'ip route' commands. > > > Paul > > -- > Please use reply-all for most replies to avoid omitting the mailing list. > To unsubscribe or change options: > https://lists.samba.org/mailman/listinfo/rsync > Before posting, read: http://www.catb.org/~esr/faqs/smart-questions.html > -- Harry Mangalam
-- Please use reply-all for most replies to avoid omitting the mailing list. To unsubscribe or change options: https://lists.samba.org/mailman/listinfo/rsync Before posting, read: http://www.catb.org/~esr/faqs/smart-questions.html
