So, I have a VM and just added another NIC. When I run ‘ip a’ – I see it, but there is no info:
[root@rhce-prep-1 ~]# ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eno16780032: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 9000 qdisc mq state UP qlen 1000 link/ether 00:0c:29:0d:22:d0 brd ff:ff:ff:ff:ff:ff inet 10.1.1.199/24 brd 10.1.1.255 scope global dynamic eno16780032 valid_lft 86236sec preferred_lft 86236sec inet6 2601:191:8380:f23d:20c:29ff:fe0d:22d0/64 scope global noprefixroute dynamic valid_lft 189151sec preferred_lft 189151sec inet6 fe80::20c:29ff:fe0d:22d0/64 scope link valid_lft forever preferred_lft forever 3: eno33559296: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000 link/ether 00:0c:29:0d:22:da brd ff:ff:ff:ff:ff:ff
‘nmcli con show’ – leaves me hanging as well:
[root@rhce-prep-1 ~]# nmcli con show NAME UUID TYPE DEVICE eno16780032 41003ce7-fd00-41e4-8524-67e1e9418179 802-3-ethernet eno16780032
Querying the device status, I get some more info:
[root@rhce-prep-1 ~]# nmcli device status DEVICE TYPE STATE CONNECTION eno16780032 ethernet connected eno16780032 eno33559296 ethernet disconnected -- lo loopback unmanaged --
A little finagling with nmcli –help & man nmcli, gets me this syntax and a positive result:
[root@rhce-prep-1 NetworkManager]# nmcli con add type ethernet ifname eno33559296 con-name eno33559296 Connection 'eno33559296' (b3e327b9-538e-4b95-b729-4daaa4b56ddc) successfully added.
Re-running ‘nmcli con show’ gives me the new interface & ‘nmcli device status’ show’s ‘connected’ now:
[root@rhce-prep-1 NetworkManager]# nmcli con show NAME UUID TYPE DEVICE eno33559296 b3e327b9-538e-4b95-b729-4daaa4b56ddc 802-3-ethernet eno33559296 eno16780032 41003ce7-fd00-41e4-8524-67e1e9418179 802-3-ethernet eno16780032 [root@rhce-prep-1 NetworkManager]# nmcli device status DEVICE TYPE STATE CONNECTION eno16780032 ethernet connected eno16780032 eno33559296 ethernet connected eno33559296
‘ip a’ registers a new DHCP address:
[root@rhce-prep-1 NetworkManager]# ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eno16780032: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 9000 qdisc mq state UP qlen 1000 link/ether 00:0c:29:0d:22:d0 brd ff:ff:ff:ff:ff:ff inet 10.1.1.199/24 brd 10.1.1.255 scope global dynamic eno16780032 valid_lft 85265sec preferred_lft 85265sec inet6 2601:191:8380:f23d:20c:29ff:fe0d:22d0/64 scope global noprefixroute dynamic valid_lft 188178sec preferred_lft 188178sec inet6 fe80::20c:29ff:fe0d:22d0/64 scope link valid_lft forever preferred_lft forever 3: eno33559296: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000 link/ether 00:0c:29:0d:22:da brd ff:ff:ff:ff:ff:ff inet 10.1.1.209/24 brd 10.1.1.255 scope global dynamic eno33559296 valid_lft 86098sec preferred_lft 86098sec inet6 2601:191:8380:f23d:20c:29ff:fe0d:22da/64 scope global noprefixroute dynamic valid_lft 188178sec preferred_lft 188178sec inet6 fe80::20c:29ff:fe0d:22da/64 scope link valid_lft forever preferred_lft forever