- Tool to check and modify the vCenter Appliance Network related configurations:
# /opt/vmware/share/vami/vami_config_net
- Network eth0 configuration file :
# /etc/systemd/network/10-eth0.network
- Command to list all open ports on PSC and vCenter Appliance: –
# iptables -L port_filter -n –line-numbers
From the above Iptables o/p, identify specific port is being used for which service :
# iptables -L port_filter 5 -n ======== here “n” is the number from the above command result to check port 636
- Check uplink status :
# networkctl status
# networkctl status eth0
- To bring down/up ethernet adapter manually:
# ifconfig
# ifdown eth0 ========== To bring down Ethernet 0
# ifup eth0 ========= To bring up Ethernet 0
Alternate commands to bring ethernet up or down :
- Check route table :
# route
- Add new route :
# route add -net 10.10.10.0/24 gw 10.109.47.251
- Check network service status :
# systemctl status systemd-networkd
- Trace route :
# traceroute <IP-address>
- DIG (Domain information groper) to query DNS :
# dig <domain-name>
- DNS config file :
# cat /etc/resolv.conf
I found other articles with similar steps but this with screenshot makes it way easier for me to follow and know that what I am doing is correct.