Posted in: Linux, Networking

Linux Networking commands

– ifconfig : This utility is used to check the IP address assigned to each of the ethernet/interface : # ifconfig eth0: flags=4099<UP,BROADCAST,MULTICAST>  mtu 1500       inet 172.17.0.1  netmask 255.255.0.0  broadcast 172.17.255.255       inet6 fe80::42:a2ff:fecb:2ba0  prefixlen 64  scopeid 0x20<link>       ether 02:42:a2:cb:2b:a0  txqueuelen 0  (Ethernet)       RX […]

Posted in: Linux, Networking, VMware

Important ESXi Networking Commands

To get the available virtual switches information on ESXi host :- # esxcfg-vswitch -l [root] esxcfg-vswitch -lSwitch Name Num Ports Used Ports Configured Ports MTU UplinksvSwitch0 6656 4 128 9000 vmnic3 PortGroup Name VLAN ID Used Ports UplinksVM Network 0 0 vmnic3Management Network 4095 1 vmnic3 DVS Name Num Ports Used Ports Configured Ports MTU […]

Posted in: Linux, Unix, VMware

vCenter Appliance Networking Commands

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 […]

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