Two isolated NIC configurations

Two isolated NIC configurations

In the room requirements configuration two network cards, a network can be Sisu Network (eth0), a fixed only a few IP segments can be accessed (eth2). VLAN trunk mode is configured on the eth0 with VLAN ID 1004. The eth2 is a normal access mode. The network of eth0 and eth2 is isolated.

Adding virtual VLANs manually

vconfig1004ifconfig eth0.100410.128.4.1255.255.255.0 up

Cat ifcfg-eth0.1004 (Permanent VLAN)

DEVICE=eth0.1004BOOTPROTO=staticNM_CONTROLLED=yesIPADDR=10.128.4.1NETMASK=255.255.255.0GATEWAY=10.128.4.254ONBOOT=yes

Cat Ifcfg-eth2 (eth2 configuration)

DEVICE=eth2BOOTPROTO=staticIPADDR=10.254.0.20NETMASK=255.255.255.0GATEWAY=10.254.0.254ONBOOT=yesNM_CONTROLLED=yes

Cat Ifcfg-eth0 (eth0 configuration)

device= eth0   hwaddr=6  c:92 : Bf:04 :  4  e:3  A   type= ethernet   uuid=f38e349b-32  C6-42  f8-b75a-72  c5a3271c82   onboot=yes    nm_controlled=yes    bootproto=static    

Cat route-eth0.1004 (add permanent route)

10.254.0.0/16 via 10.254.0.254 dev eth2192.168.0.0/16 via 10.254.0.254 dev eth2

Restart the NIC

-n

Two isolated NIC configurations