ARPwatch

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Create Virtual Machine

• Create a Rocky 9.x VM in the Vcenter
• Select All VLANs Trunk in Network Adapter while creating the Virtual Machine

Configure Network Scripts

Create Network Scripts as per the below article:

CentOS 8.x Configure ethernet port for 802.3 encapsulated trunk traffic communication

• Example Network script

VLAN=yes
TYPE=Vlan
PHYSDEV=ens33
VLAN_ID=99
REORDER_HDR=yes
GVRP=no
MVRP=no
HWADDR=
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=none
IPADDR=172.30.7.106
PREFIX=16
GATEWAY=172.30.0.1
DNS1=172.31.1.160
DNS2=8.8.8.8
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6_DISABLED=yes
IPV6INIT=no
NAME=ens33.99
DEVICE=ens33.99
ONBOOT=yes