Posted in: Networking, VMware

Fix NSX-T/Edge from filesystem READ ONLY(RO) state

An issue at our NSX vSAN storage resulted in a corrupted state. Here are some steps you can take to attempt to revive the NSX-T Manager appliance back to life. BTW these steps also work for Edge Nodes. The issue starts with the appliance having file system in read only mode. After reboot you will […]

Posted in: Linux, Networking, Unix

Networking Performance Troubleshooting in Linux

– ping : This command is used to test network connectivity. It sends a 32 bytes ICMP (Internet Control Message Protocol) packet to the destination host. If the destination host is unreachable due to any issue, you will notice packet loss. ping is also used to check the network latency as it shows the RTT(Round Trip […]

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  netmask  broadcast       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 […]

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