Configuring VLAN devices

Red Hat Enterprise Linux 8.6 LPAR mode z/VM guest

Configure VLANs with the ip link add command. See the ip-link man page for details.

About this task

Information about the current VLAN configuration is available by listing the files in /proc/net/vlan/* with cat or more. For example:

# cat /proc/net/vlan/config
VLAN Dev name    | VLAN ID
Name-Type: VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD  bad_proto_recvd: 0
encd300.100       | 100  | encd300
encd300.200       | 200  | encd300
encd300.300       | 300  | encd300

# cat /proc/net/vlan/encd300.300
encd300.300  VID: 300       REORDER_HDR: 1  dev->priv_flags: 1
         total frames received:     10914061
          total bytes received:   1291041929
      Broadcast/Multicast Rcvd:            6

      total frames transmitted:     10471684
       total bytes transmitted:   4170258240
            total headroom inc:            0
           total encap on xmit:     10471684
Device: encd300
INGRESS priority mappings: 0:0  1:0  2:0  3:0  4:0  5:0  6:0 7:0
EGRESS  priority Mappings:
#