> Subject: Re: ivshmem-net issue > > On 27.01.21 10:08, Peng Fan wrote: > > Hi Jan, > > > > When booting inmate Linux, I have ivshmem-net configured. In root cell it > shows as eth2. > > > > I monitor system network, and see eth2 is assigned a random address. > > > > [ADDR]4: eth2 inet 169.254.232.89/16 brd 169.254.255.255 scope > global eth2 > > valid_lft forever preferred_lft forever [ROUTE]local > > 169.254.232.89 dev eth2 table local proto kernel scope host src > > 169.254.232.89 [ROUTE]broadcast 169.254.255.255 dev eth2 table local > > proto kernel scope link src 169.254.232.89 > > [ROUTE]169.254.0.0/16 dev eth2 proto kernel scope link src > > 169.254.232.89 [ROUTE]broadcast 169.254.0.0 dev eth2 table local proto > > kernel scope link src 169.254.232.89 [ROUTE]default dev eth2 scope > > link > > > > > > And also in route table, it added two entries going through eth2, I > > not understand why it will add one entry that default use eth2 with > > gateway 0.0.0.0 #route Kernel IP routing table > > Destination Gateway Genmask Flags Metric Ref > Use Iface > > default 0.0.0.0 0.0.0.0 U 0 0 > 0 eth2 > > default _gateway 0.0.0.0 UG 0 0 > 0 eth1 > > 10.193.102.0 0.0.0.0 255.255.255.0 U 0 0 > 0 eth1 > > 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 > 0 eth2 > > > > It added the eth2 route table and will break nfsroot if we using > > 10.193.108.x for nfsroot server, because it will match the 1st entry. > > > > This is not jailhouse hypervisor issue, I just not sure the eth2 > > behavior, it is systemd does that route change or we need look into > > ivshmem-net to avoid update route table when creating eth2? > > I would suspect that this is something specific to your network management > system. Is it systemd-networkd?
Yes. Just not understand a wrong route table to match all is added and use the ivshmem-net created eth2 interface. Thanks, Peng. > > In any case, the only things that should be more special about ivshmem-net is > that it comes up with random MAC addresses (which is unusual but not > unique) and that it hotplugs (which is rather common, thing of USB WIFI > sticks). > > Jan > > -- > Siemens AG, T RDA IOT > Corporate Competence Center Embedded Linux -- You received this message because you are subscribed to the Google Groups "Jailhouse" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jailhouse-dev/DB6PR0402MB276080104F69211A21A3E3D488BA9%40DB6PR0402MB2760.eurprd04.prod.outlook.com.
