in the past under rhel7 i would do this [root]# ip add add 192.168.12.29/24 dev enp0s13f0u1 label enp0s13f0u1:1 broadcast 192.168.12.255 noprefixroute [root]# ip add show enp0s13f0u1 2: enp0s13f0u1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether a0:ce:c8:b2:22:f7 brd ff:ff:ff:ff:ff:ff inet 192.168.10.29/24 brd 192.168.10.255 scope global noprefixroute enp0s13f0u1 valid_lft forever preferred_lft forever inet 192.168.12.29/24 brd 192.168.12.255 scope global noprefixroute enp0s13f0u1:1 valid_lft forever preferred_lft forever
[root@cyan ~]# lnetctl net add --ip2net="tcp1(enp0s13f0u1) 192.168.10.*" [root@cyan ~]# lnetctl net add --ip2net="tcp2(enp0s13f0u1:1) 192.168.12.*" [root@cyan ~]# lctl list_nids 192.168.10.29@tcp1 192.168.12.29@tcp2 but i've upgraded to redhat9 using network manager fully now. when i do [root@cyan system-connections]# nmcli c modify Wired\ connection\ 1 ipv4.addresses "192.168.10.29/24,192.168.12.29/24" [root@cyan system-connections]# nmcli c up Wired\ connection\ 1 Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/22) [root@cyan system-connections]# ip add show enp0s13f0u1 2: enp0s13f0u1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether a0:ce:c8:b2:22:f7 brd ff:ff:ff:ff:ff:ff inet 192.168.10.29/24 brd 192.168.10.255 scope global noprefixroute enp0s13f0u1 valid_lft forever preferred_lft forever inet 192.168.12.29/24 brd 192.168.12.255 scope global noprefixroute enp0s13f0u1 valid_lft forever preferred_lft forever this doesn't work [root@cyan ~]# lnetctl net add --ip2net="tcp1(enp0s13f0u1) 192.168.10.*" [root@cyan ~]# lnetctl net add --ip2net="tcp2(enp0s13f0u1) 192.168.12.*" [root@cyan ~]# lctl list_nids 192.168.10.29@tcp1 192.168.10.29@tcp2 i'm pretty sure this is expected behavior based on how lnet works, but i figured i'd ask around
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